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1.  Medial swivel dislocation of the talonavicular joint 
Indian Journal of Orthopaedics  2009;43(1):87-89.
Medial swivel dislocation, a variant of subtalar dislocation is uncommon. A 35 years old male presented after 6 weeks old injury to left ankle following motor cycle accident. He had pain, swelling around ankle and was unable to bear weight on left foot. Clinical examination revealed diffuse swelling and tenderness in mid foot region. His plain X rays and CT scan showed talonavicular dislocation with compression defect of the head of the talus. He was treated by open reduction and K-wire fixation. At 32 months follow up foot was painless, stable with normal range of ankle and subtalar motion.
doi:10.4103/0019-5413.45329
PMCID: PMC2739503  PMID: 19753187
Medial swivel dislocation; subtalar-subluxation; talonavicular dislocation
2.  Direction of the oblique medial malleolar osteotomy for exposure of the talus 
Introduction
A medial malleolar osteotomy is often indicated for operative exposure of posteromedial osteochondral defects and fractures of the talus. To obtain a congruent joint surface after refixation, the oblique osteotomy should be directed perpendicularly to the articular surface of the tibia at the intersection between the tibial plafond and medial malleolus. The purpose of this study was to determine this perpendicular direction in relation to the longitudinal tibial axis for use during surgery.
Materials and methods
Using anteroposterior mortise radiographs and coronal computed tomography (CT) scans of 46 ankles (45 patients) with an osteochondral lesion of the talus, two observers independently measured the intersection angle between the tibial plafond and medial malleolus. The bisector of this angle indicated the osteotomy perpendicular to the tibial articular surface. This osteotomy was measured relative to the longitudinal tibial axis on radiographs. Intraclass correlation coefficients (ICC) were calculated to assess reliability.
Results
The mean osteotomy was 57.2 ± 3.2° relative to the tibial plafond on radiographs and 56.5 ± 2.8 on CT scans. This osteotomy corresponded to 30.4 ± 3.7° relative to the longitudinal tibial axis. The intraobserver (ICC, 0.90–0.93) and interobserver (ICC, 0.65–0.91) reliability of these measurements were good to excellent.
Conclusion
A medial malleolar osteotomy directed at a mean 30° relative to the tibial axis enters the joint perpendicularly to the tibial cartilage, and will likely result in a congruent joint surface after reduction.
doi:10.1007/s00402-010-1227-8
PMCID: PMC3117279  PMID: 21165631
Medial malleolus; Osteotomy; Ankle; Radiography; Preoperative planning; Surgical approach
3.  Ankle reconstruction in type II fibular hemimelia 
Ankle reconstruction prior to limb lengthening for was performed in 13 patients with fibular hemimelia with complete radiological absence of the fibula (type II). There were different degrees of absence of metatarsal rays. The hindfoot deformity was a heel valgus in 12 patients and equinovarus in 1 patient. The patients’ ages ranged from 9 to 26 months. Excision of the fibular anlage was performed with lateral subtalar and ankle soft tissue releases to restore the ankle and subtalar joint relationships. In all cases, the fibular anlage ended distally in a cartilaginous lateral malleolar remnant that was fused to the talus in two patients. This fibular remnant was advanced distally and fixed to the tibia with 2 Kirschner wires to recreate an ankle mortise. The period of follow-up ranged from 12 to 38 months. All patients had a stable ankle without tendency to valgus deformity or subluxation. The ankle range of movement was a mean of 27.3° plantarflexion (25–30) and 18° dorsiflexion (15–20). Reconstruction of the ankle in type II fibular hemimelia using advancement of the cartilaginous lateral malleolar remnant has produced encouraging results in the short-term but longer follow-up is needed.
doi:10.1007/s11751-012-0129-4
PMCID: PMC3332325  PMID: 22434224
Fibular hemimelia; Ankle reconstruction
4.  The Anatomy and Mechanisms of Syndesmotic Ankle Sprains 
Journal of Athletic Training  2001;36(1):68-73.
Objective:
To present a comprehensive review of the anatomy, biomechanics, and mechanisms of tibiofibular syndesmosis ankle sprains.
Data Sources:
MEDLINE (1966–1998) and CINAHL (1982–1998) searches using the key words syndesmosis, tibiofibular, ankle injuries, and ankle injuries–etiology.
Data Synthesis:
Stability of the distal tibiofibular syndesmosis is necessary for proper functioning of the ankle and lower extremity. Much of the ankle's stability is provided by the mortise formed around the talus by the tibia and fibula. The anterior and posterior inferior tibiofibular ligaments, the interosseous ligament, and the interosseous membrane act to statically stabilize the joint. During dorsiflexion, the wider portion anteriorly more completely fills the mortise, and contact between the articular surfaces is maximal. The distal structures of the lower leg primarily prevent lateral displacement of the fibula and talus and maintain a stable mortise. A variety of mechanisms individually or combined can cause syndesmosis injury. The most common mechanisms, individually and particularly in combination, are external rotation and hyperdorsiflexion. Both cause a widening of the mortise, resulting in disruption of the syndesmosis and talar instability.
Conclusions and Recommendation:
Syndesmosis ankle injuries are less common than lateral ankle injuries, are difficult to evaluate, have a long recovery period, and may disrupt normal joint functioning. To effectively evaluate and treat this injury, clinicians should have a full understanding of the involved structures, functional anatomy, and etiologic factors.
PMCID: PMC155405  PMID: 16404437
high ankle sprain; inferior tibiofibular joint; etiology of ankle injury
5.  Total ankle replacement in rheumatoid arthritis 
International Orthopaedics  2003;28(2):123-126.
We reviewed 21 patients with rheumatoid arthritis who had a total ankle replacement between 1984 and 2000. The average follow-up was 72 (15–169) months. Clinical results were evaluated using the American Orthopaedic Foot and Ankle Society (AOFAS) score. At the latest review, three ankles had been revised. Two ankles were excellent, seven good, three fair, and 12 poor. Eleven patients with 13 ankles had residual pain, with radiographs showing a high incidence of radiolucent lines. Migration of the tibial component was seen in 13 ankles and collapse of talus in nine. Although clinical results were poor, patient satisfaction was not.
doi:10.1007/s00264-003-0512-3
PMCID: PMC3474485  PMID: 15224171
6.  Medial Impingement of the Ankle in Athletes 
Sports Health  2010;2(6):495-502.
Context:
Medial impingement syndrome of the ankle is common in the athletic population. A marginal osteophyte on the leading edge of the medial talar facet and a corresponding “kissing” osteophyte on the tibia, in front of the medial malleolus, may abut and cause pain and limited dorsiflexion.
Background:
Palpation of the talar osteophyte and standard imaging—especially, the oblique view of the foot—are useful in making the diagnosis. Surgical removal of the osteophyte may be necessary.
Conclusions:
Ankle impingement is commonly seen in running and jumping sports, especially if the athlete has a subtle cavus foot. It may be associated with ankle instability, osteochondritis dissecans of the talus, and stress fractures of the foot.
doi:10.1177/1941738110384570
PMCID: PMC3438865  PMID: 23015980
ankle; impingement; sports injuries; talus; medial malleolus
7.  The effect of osseous ankle configuration on chronic ankle instability 
Background
Chronic ankle instability (CAI) is a common orthopaedic entity in sport. Although other risk factors have been studied extensively, little is known about how it is influenced by the osseous joint configuration.
Aim
To study the effect of osseous ankle configuration on CAI.
Design
Case–control study, level III.
Setting
Radiological examination with measurement of lateral x rays by an independent radiologist using a digital DICOM/PACS system.
Patients
A group of 52 patients who had had at least three recurrent sprains was compared with an age‐matched and sex‐matched control group of 52 healthy subjects.
Main outcome measures
The radius of the talar surface, the tibial coverage of the talus (tibiotalar sector) and the height of the talar body were measured.
Results
The talar radius was found to be larger in patients with CAI (21.2 (2.4) mm) than in controls (17.7 (1.9) mm; p<0.001, power >95%). The tibiotalar sector, representing the tibial coverage of the talus, was smaller in patients with CAI (80° (5.1°)) than in controls (88.4° (7.2°); p<0.001, power >95%). No significant difference was observed in the height of the talar body between patients with CAI (28.8 (2.6) mm) and controls (27.5 (4.0) mm; p = 0.055).
Conclusion
CAI is associated with an unstable osseous joint configuration characterised by a larger radius of the talus and a smaller tibiotalar sector. There is evidence that a higher talus might also play some part, particularly in women.
doi:10.1136/bjsm.2006.032672
PMCID: PMC2465368  PMID: 17261556
8.  The importance of early arthroscopy in athletes with painful cartilage lesions of the ankle: a prospective study of 61 consecutive cases 
Background
Ankle sprains are common in sports and can sometimes result in a persistent pain condition.
Purpose
Primarily to evaluate clinical symptoms, signs, diagnostics and outcomes of surgery for symptomatic chondral injuries of the talo crural joint in athletes. Secondly, in applicable cases, to evaluate the accuracy of MRI in detecting these injuries. Type of study: Prospective consecutive series.
Methods
Over around 4 years we studied 61 consecutive athletes with symptomatic chondral lesions to the talocrural joint causing persistent exertion ankle pain.
Results
43% were professional full time athletes and 67% were semi-professional, elite or amateur athletes, main sports being soccer (49%) and rugby (14%). The main subjective complaint was exertion ankle pain (93%). Effusion (75%) and joint line tenderness on palpation (92%) were the most common clinical findings. The duration from injury to arthroscopy for 58/61 cases was 7 months (5.7–7.9). 3/61 cases were referred within 3 weeks from injury. There were in total 75 cartilage lesions. Of these, 52 were located on the Talus dome, 17 on the medial malleolus and 6 on the Tibia plafond. Of the Talus dome injuries 18 were anteromedial, 14 anterolateral, 9 posteromedial, 3 posterolateral and 8 affecting mid talus. 50% were grade 4 lesions, 13.3% grade 3, 16.7% grade 2 and 20% grade 1. MRI had been performed pre operatively in 26/61 (39%) and 59% of these had been interpreted as normal. Detection rate of cartilage lesions was only 19%, but subchondral oedema was present in 55%. At clinical follow up average 24 months after surgery (10–48 months), 73% were playing at pre-injury level. The average return to that level of sports after surgery was 16 weeks (3–32 weeks). However 43% still suffered minor symptoms.
Conclusion
Arthroscopy should be considered early when an athlete presents with exertion ankle pain, effusion and joint line tenderness on palpation after a previous sprain. Conventional MRI is not reliable for detecting isolated cartilage lesions, but the presence of subchondral oedema should raise such suspicion.
doi:10.1186/1749-799X-1-4
PMCID: PMC1635006  PMID: 17150124
9.  The Impact of Chiropractic Manipulative Therapy on Chronic Recurrent Lateral Ankle Sprain Syndrome in Two Young Athletes 
Journal of Chiropractic Medicine  2004;3(4):153-159.
Abstract
Objective
To describe two cases of abrupt resolution of chronic, recurrent, inversion sprain to ankles in young recreational athletes.
Clinical Features
A 13-year-old, female, avid recreational soccer player with ankles that would spontaneously invert during various inconsistent points in the weight bearing gait cycle, sometimes with acute pain or sprain to the ankle. No intervention was attempted prior to her entry to the chiropractic office. A 17-year-old male avid skate- boarder and snowboarder whose left ankle routinely “gave out” into inversion upon mundane weight bearing activity, usually with pain and with dependence on wearing an ankle support when skateboarding to lessen ankle pain. The patient had used an ankle support prior to seeking chiropractic care.
Intervention and Outcome
High velocity, low amplitude chiropractic manipulative therapy applied to the spine, pelvis and extremity joints was the primary intervention in both cases, with particular focus on the ankle. Other procedures used included taping and orthotics, but not before the manipulation effect was noted.
Conclusion
High velocity, low amplitude chiropractic manipulative therapy to the spine, pelvis, and extremities, particularly at the ankle, should be considered when managing young recreational athletes with functional chronic, recurrent, ankle inversion sprains.
doi:10.1016/S0899-3467(07)60103-7
PMCID: PMC2647025  PMID: 19674638
Ankle Injuries; Sprains and Strains; Joint Instability; Chiropractic Manipulation; Lower Extremity
10.  A new approach to the treatment of congenital vertical talus 
Congenital vertical talus is an uncommon foot deformity that is present at birth and results in a rigid flatfoot deformity. Left untreated the deformity can result in pain and disability. Though the exact etiology of vertical talus is unknown, an increasing number of cases have been shown to have a genetic cause. Approximately 50% of all cases of vertical talus are associated with other neuromuscular abnormalities or known genetic syndromes. The remaining 50% of cases were once thought to be idiopathic in nature. However, there is increasing evidence that many of these cases are related to single gene defects. Most patients with vertical talus have been treated with major reconstructive surgeries that are fraught with complications such as wound necrosis, talar necrosis, undercorrection of the deformity, stiffness of the ankle and subtalar joint, and the eventual need for multiple operative procedures. Recently, a new approach to vertical talus that consists of serial casting and minimal surgery has resulted in excellent correction in the short-term. Longer follow-up will be necessary to ensure maintenance of correction with this new technique. A less invasive approach to the correction of vertical talus may provide more favorable long-term outcomes than more extensive surgery as has been shown to be true for clubfoot outcomes.
doi:10.1007/s11832-007-0037-1
PMCID: PMC2656724  PMID: 19308490
Congenital vertical talus; Flatfoot; Treatment; Genetics; Etiology
11.  Effects of Prefabricated Ankle Orthoses on Postural Stability in Basketball Players with Chronic Ankle Instability 
Asian Journal of Sports Medicine  2012;3(4):274-278.
Purpose
Ankle sprain is one of the most common injuries among athletes and instability and injury to this joint is responsible for long time loss of physical and recreational activity. Also, it can impose high costs to sport teams. Prevention of this injury is an important concern of practice and rehabilitation. One way of reducing the possibility of ankle joint injury is using an ankle orthosis. The present study aimed at inspecting the effects of two ankle orthoses on dynamic and semi-dynamic postural stability in athletes with chronic ankle instability (CAI).
Methods
Twenty basketball players with CAI and fifteen non-injured athletes volunteered to participate in this study. Biodex Balance System was used to assess the participants’ postural stability in bilateral position at level 8 and level 2. Repeated measures analysis of variance (ANOVA) was performed in order to examine the effects of ankle orthoses. Statistical significance level was determined at P< 0.05.
Results
Statistical analyses revealed the significant effect of ankle supports on dynamic and semi-dynamic postural stability in the two groups and results indicated there wasn't significant difference between groups.
Conclusions
According to our results the orthoses improved both dynamic and semi-dynamic postural stability. Therefore, orthoses can prevent injury and its reoccurrence.
PMCID: PMC3525824  PMID: 23342226
Postural Balance; Ankle; Joint Instability; Basketball; Orthoses
12.  Hip Kinematics During a Stop-Jump Task in Patients With Chronic Ankle Instability 
Journal of Athletic Training  2011;46(5):461-467.
Context:
Chronic ankle instability (CAI) commonly develops after lateral ankle sprain. Movement pattern differences at proximal joints may play a role in instability.
Objective:
To determine whether people with mechanical ankle instability (MAI) or functional ankle instability (FAI) exhibited different hip kinematics and kinetics during a stop-jump task compared with “copers.”
Design:
Cross-sectional study.
Setting:
Sports medicine research laboratory.
Patients or Other Participants:
Sixty-three recreational athletes, 21 (11 men, 10 women) per group, matched for sex, age, height, mass, and limb dominance. All participants reported a history of a moderate to severe ankle sprain. The participants with MAI and FAI reported 2 or more episodes of giving way at the ankle in the last year and decreased functional ability; copers did not. The MAI group demonstrated clinically positive anterior drawer and talar tilt tests, whereas the FAI group and copers did not.
Intervention(s):
Participants performed a maximum-speed approach run and a 2-legged stop jump followed by a maximum vertical jump.
Main Outcome Measure(s):
An electromagnetic tracking device synchronized with a force plate collected data during the stance phase of a 2-legged stop jump. Hip motion was measured from initial contact to takeoff into the vertical jump. Group differences in hip kinematics and kinetics were assessed.
Results:
The MAI group demonstrated greater hip flexion at initial contact and at maximum (P = .029 and P = .017, respectively) and greater hip external rotation at maximum (P = .035) than the coper group. The MAI group also demonstrated greater hip flexion displacement than both the FAI (P = .050) and coper groups (P = .006). No differences were noted between the FAI and coper groups in hip kinematic variables or among any of the groups in ground reaction force variables.
Conclusions:
The MAI group demonstrated different hip kinematics than the FAI and coper groups. Proximal joint motion may be affected by ankle joint function and laxity, and clinicians may need to assess proximal joints after repeated ankle sprains.
PMCID: PMC3418949  PMID: 22488131
motion analysis; landings; ankle sprains
13.  Closed subtalar dislocation with non-displaced fractures of talus and navicular: a case report and review of the literature 
Cases Journal  2009;2:8793.
Closed subtalar dislocations associated with talus and navicular fractures are rare injuries. We report on a case of a 43-year-old builder man with medial subtalar dislocation that was further complicated by minimally displaced talar and navicular fractures. Successful closed reduction under general anesthesia was followed by non-weight bearing and ankle immobilization with a below-knee cast for 6 ;weeks. At 3 years post-injury, the subtalar joint was stable, the foot and ankle mobility was in normal limits and the patient could still work as a builder. However, he complained for occasionally mild pain due to the development of post-traumatic arthritis in subtalar and ankle joints. Our search in literature revealed that conservative treatment of all the successfully reduced and minimally displaced subtalar fracture-dislocations has given superior results compared to surgical management. However, even in cases with no or slight fracture displacement, avascular necrosis of the talus or arthritis of the surrounding joints can compromise the final functional outcome.
doi:10.4076/1757-1626-2-8793
PMCID: PMC2769472  PMID: 19918402
14.  Ankle Arthritis in a 6-Year-Old Boy After a Tick Bite – A Case Report 
Background:
Monoarthritis of the ankle is a rare condition in children, and is most often caused by a bacterial infection. Lyme disease is endemic in southern Scandinavia, and diagnosis remains a challenge. The clinical presentation of Lyme disease varies greatly, and often with considerable delay between exposure and presentation.
Case Presentation:
We report a case of ankle arthritis in a boy who presented one year earlier with a tick bite on the dorsum of the foot. He was suboptimally treated with oral antibiotics for one week, and developed in the following months a painless limp. Radiographs revealed a severe arthritis of the right ankle joint with necrosis of the talus and deformation of the talocrural and subtalar joints. There was no history of malaise, fever or other systemic symptoms. He remains seronegative for antibodies against B. burgdorferi.
Conclusions:
The suboptimal oral antibiotic treatment may have hindered the antibody production against B burgdorferi, while not being therapeutic, resulting in severe ankle arthritis due to seronegative Lyme disease.
doi:10.2174/1874325001105010165
PMCID: PMC3096051  PMID: 21594002
Arthritis; children; seronegative Lyme disease; borreliosis.
15.  Three-Dimensional Matrix-Induced Autologous Chondrocytes Implantation for Osteochondral Lesions of the Talus: Midterm Results 
Advances in Orthopedics  2012;2012:942174.
Introduction. We evaluate the midterm results of thirty patients who underwent autologous chondrocytes implantation for talus osteochondral lesions treatment. Materials and Methods. From 2002 to 2009, 30 ankles with a mean lesion size of 2,36 cm2 were treated. We evaluated patients using American Orthopaedic Foot and Ankle Surgery and Coughlin score, Van Dijk scale, recovering time, and Musculoskeletal Outcomes Data Evaluation and Management System. Results. The mean AOFAS score varied from 36.9 to 83.9 at follow-up. Average of Van Dijk scale was 141.1. Coughlin score was excellent/good in 24 patients. MOCART score varied from 6.3 to 3.8. Discussion. This matrix is easy to handle conformable to the lesion and apply by arthroscopy. No correlation between MRI imaging and clinical results is found. Conclusions. Our results, compared with those reported in literature with other surgical procedures, show no superiority evidence for our technique compared to the others regarding the size of the lesions.
doi:10.1155/2012/942174
PMCID: PMC3337586  PMID: 22570793
16.  Effect of a 6-week dynamic neuromuscular training programme on ankle joint function: A Case report 
Background
Ankle joint sprain and the subsequent development of chronic ankle instability (CAI) are commonly encountered by clinicians involved in the treatment and rehabilitation of musculoskeletal injuries. It has recently been advocated that ankle joint post-sprain rehabilitation protocols should incorporate dynamic neuromuscular training to enhance ankle joint sensorimotor capabilities. To date no studies have reported on the effects of dynamic neuromuscular training on ankle joint positioning during landing from a jump, which has been reported as one of the primary injury mechanisms for ankle joint sprain. This case report details the effects of a 6-week dynamic neuromuscular training programme on ankle joint function in an athlete with CAI.
Methods
The athlete took part in a progressive 6-week dynamic neuromuscular training programme which incorporated postural stability, strengthening, plyometric, and speed/agility drills. The outcome measures chosen to assess for interventional efficacy were: [1] Cumberland Ankle Instability Tool (CAIT) scores, [2] Star Excursion Balance Test (SEBT) reach distances, [3] ankle joint plantar flexion during drop landing and drop vertical jumping, and [4] ground reaction forces (GRFs) during walking.
Results
CAIT and SEBT scores improved following participation in the programme. The angle of ankle joint plantar flexion decreased at the point of initial contact during the drop landing and drop vertical jumping tasks, indicating that the ankle joint was in a less vulnerable position upon landing following participation in the programme. Furthermore, GRFs were reduced whilst walking post-intervention.
Conclusions
The 6-week dynamic neuromuscular training programme improved parameters of ankle joint sensorimotor control in an athlete with CAI. Further research is now required in a larger cohort of subjects to determine the effects of neuromuscular training on ankle joint injury risk factors.
doi:10.1186/1758-2555-3-13
PMCID: PMC3141569  PMID: 21658224
ankle sprain; ankle instability; ankle injury; rehabilitation; injury prevention
17.  Therapeutic management of complicated talar extrusion: literature review and case report 
Total extrusion of the talus with interruption of all ligaments (missing talus) is a rare injury. We describe the case of a 27-year-old man who reported total extrusion of the talus after a motorbike accident with interruption of all talar ligaments. In the first repair effort, the articular void left by the talus was filled with antibiotic cement and the wound was closed primarily. Nevertheless, the skin overlying the talar joint displayed necrosis. In order to cover the cutaneous defect, improve local vascularization, and allow reimplantation of the talus, a sural fasciocutaneous island flap was harvested. Subsequently, the original talus was placed and arthrodesis of the subtalar joint was performed. The patient was able to walk bearing full weight without support equipment after 6 months. Several therapeutic options have been suggested in such cases, including replacing the talus, tibiocalcaneal arthrodesis, and pseudoarthrodesis. The rarity and peculiarity of such cases make the establishment of generalized guidelines an arduous task, leaving the choice of treatment to the surgeon, in conformity with each case’s peculiarity. In this case use of the flap may have promoted the vascularization of the reimplanted talus, thus avoiding avascular necrosis and allowing successful reimplantation of the original talus.
doi:10.1007/s10195-011-0129-z
PMCID: PMC3052426  PMID: 21350893
Total talar dislocation; Talar extrusion; Missing talus; Distally-based sural fasciocutaneous flap
18.  Therapeutic management of complicated talar extrusion: literature review and case report 
Total extrusion of the talus with interruption of all ligaments (missing talus) is a rare injury. We describe the case of a 27-year-old man who reported total extrusion of the talus after a motorbike accident with interruption of all talar ligaments. In the first repair effort, the articular void left by the talus was filled with antibiotic cement and the wound was closed primarily. Nevertheless, the skin overlying the talar joint displayed necrosis. In order to cover the cutaneous defect, improve local vascularization, and allow reimplantation of the talus, a sural fasciocutaneous island flap was harvested. Subsequently, the original talus was placed and arthrodesis of the subtalar joint was performed. The patient was able to walk bearing full weight without support equipment after 6 months. Several therapeutic options have been suggested in such cases, including replacing the talus, tibiocalcaneal arthrodesis, and pseudoarthrodesis. The rarity and peculiarity of such cases make the establishment of generalized guidelines an arduous task, leaving the choice of treatment to the surgeon, in conformity with each case’s peculiarity. In this case use of the flap may have promoted the vascularization of the reimplanted talus, thus avoiding avascular necrosis and allowing successful reimplantation of the original talus.
doi:10.1007/s10195-011-0129-z
PMCID: PMC3052426  PMID: 21350893
Total talar dislocation; Talar extrusion; Missing talus; Distally-based sural fasciocutaneous flap
19.  The 2BFit study: is an unsupervised proprioceptive balance board training programme, given in addition to usual care, effective in preventing ankle sprain recurrences? Design of a Randomized Controlled Trial 
Background
There is strong evidence that athletes have a twofold risk for re-injury after a previous ankle sprain, especially during the first year post-injury. These ankle sprain recurrences could result in disability and lead to chronic pain or instability in 20 to 50% of these cases. When looking at the high rate of ankle sprain recurrences and the associated chronic results, ankle sprain recurrence prevention is important.
Objective
To evaluate the effect of a proprioceptive balance board training programme on ankle sprain recurrences, that was applied to individual athletes after rehabilitation and treatment by usual care.
Methods/Design
This study was designed as a randomized controlled trial with a follow-up of one year. Healthy individuals between 12 and 70 years of age, who were actively participating in sports and who had sustained a lateral ankle sprain up to two months prior to inclusion, were eligible for inclusion in the study. The intervention programme was compared to usual care. The intervention programme consisted of an eight-week proprioceptive training, which started after finishing usual care and from the moment that sports participation was again possible. Outcomes were assessed at baseline and every month for 12 months. The primary outcome of this study was the incidence of recurrent ankle injuries in both groups within one year after the initial sprain. Secondary outcomes were severity and etiology of re-injury and medical care. Cost-effectiveness was evaluated from a societal perspective. A process evaluation was conducted for the intervention programme.
Discussion
The 2BFit trial is the first randomized controlled trial to study the effect of a non-supervised home-based proprioceptive balance board training programme in addition to usual care, on the recurrence of ankle sprains in sports. Results of this study could possibly lead to changes in practical guidelines on the treatment of ankle sprains. Results will become available in 2009.
Trial registration
ISTRCN34177180.
doi:10.1186/1471-2474-9-71
PMCID: PMC2412867  PMID: 18492235
20.  Weaver syndrome associated with bilateral congenital hip and unilateral subtalar dislocation 
Hippokratia  2010;14(3):212-214.
Background: Weaver syndrome is a congenital paediatric syndrome characterized by mental, respiratory and musculoskeletal manifestations. The coexisting deformities of the skull, the face, fingers and toes are typical. We report a case of a girl with Weaver syndrome associated with rare bilateral congenital dislocation of the hips associated with congenital hypoplastic talus and subtalar dislocation of her ankle joint.
Case Report: A 3-year old girl was admitted in our department with typical manifestations of Weaver syndrome, associated with congenital dislocation of bilateral hips, hypoplastic talus and subtalar dislocation of her right ankle. She was in pain while standing upright and incapable of independent walking. Both hips were treated operatively with open reduction and bilateral iliac osteotomy. Two years afterwards she had an open reduction of her talus and extraarticular arthrodesis of her subtalar joint in her right ankle. Six years postoperatively after the hip operations and four years after the ankle operation the girl is ambulant with a painless independent and unaided walking with a mild limp and full range of movements in all the operated joints.
Conclusions: We suggest that children with Weaver syndrome and disabling musculosceletal deformities, particularly affecting their ability to stand up and walk should be treated early, before bone maturity, in order to achieve the best potential musculoskeletal as well as developmental outcome.
PMCID: PMC2943362  PMID: 20981173
Weaver Syndrome; congenital dislocation; hip; ankle
21.  Skeletal Manifestations of Scurvy: A Case Report from Dubai 
Case Reports in Orthopedics  2012;2012:624628.
Introduction. Nutritional deficiencies are rarely reported in developed countries. We report a child of Pakistani origin brought up in Dubai who developed skeletal manifestations of scurvy due to peculiar dietary habits. Case Presentation. A 4.5 year old boy presented with pain and swelling of multiple joints for three months and inability to walk for two months. Dietary history was significant for exclusive meat intake for the preceding two years. On examination the child's height and weight were below the 5th percentile for his age. He was pale and tachycardic. There was significant swelling and tenderness over the wrist, knee and ankle joints, along with painful restriction of motion. Basic blood workup was unremarkable except for anemia. However, X-rays showed delayed bone age, severe osteopenia of the long bones, epiphyseal separation, cortical thinning and dense zone of provisional calcification, suggesting a radiological diagnosis of scurvy. The child was started on vitamin C replacement therapy. Over the following two months, the pain and swelling substantially reduced and the child became able to walk. Repeat X-rays showed improvement in the bony abnormalities. Conclusion. Although scurvy is not a very commonly encountered entity in the modern era, inappropriate dietary intake can lead to skeletal abnormalities which may be confused with rickets. A high index of suspicion is thus required for prompt diagnosis of scurvy in patients with bone and joint symptoms.
doi:10.1155/2012/624628
PMCID: PMC3504259  PMID: 23259126
22.  Acute compartment syndrome of the foot in a soccer player: a case report 
Objective
To present the diagnostic and clinical features including management of acute compartment syndrome (ACS) of the foot and to create a sense of emergency amongst clinicians of this rare and dangerous condition.
Clinical Features
A 28-year old male soccer player on acetylsalicylic acid (ASA) and verapamil presented with severe swelling, paresthesia, and pain in the left ankle after an acute grade three-inversion ankle sprain. A diagnosis of foot compartment syndrome was made.
Intervention and Outcome
A fasciotomy was not performed and subsequent neurological sequelae occurred. We hypothesize that the edema caused by the ankle sprain was excessive due to the use of ASA and verapamil, resulting in increased compartmental pressure and neurological signs in the foot.
Summary
Although rare, it is extremely important to be aware of the clinical features of ACS of the foot to obtain an appropriate diagnosis and manage this medical emergency promptly.
PMCID: PMC3222706  PMID: 22131567
acute compartment syndrome; inversion ankle sprains; soccer; aspirin; verapamil; syndrome des loges aigu; entorses d’inversion de la cheville; soccer; aspirine; vérapamil
23.  Management of chronic ankle pain using joint mobilization and ASTYM® treatment: a case report 
Treatment of ankle sprains predominately focuses on the acute management of this condition; less emphasis is placed on the treatment of ankle sprains in the chronic phase of recovery. Manual therapy, in the form of joint mobilization and manipulation, has been shown to be effective in the management of this condition, but the combination of joint mobilization and manipulation in tandem with ASTYM® treatment has not been explored. The purpose of this case report is to chronicle the management of a patient with chronic ankle pain who was treated with manual therapy including manipulation and ASTYM treatment. As a result of a fall down stairs 6 months previously, the patient sustained a severe ankle sprain. The soft tissue damage was accompanied by bony disruptions which warranted the patient spending 3 weeks in a walking boot. At the initial evaluation, the patient reported difficulty with descending stairs reciprocally and not being able to run more than 4 minutes on the treadmill before the pain escalated to the level that she had to stop running. After five sessions of therapy consisting of joint mobilization, manipulation and ASTYM, the patient was able to descend stairs and run 40 minutes without pain.
doi:10.1179/2042618611Y.0000000004
PMCID: PMC3172946  PMID: 22547921
Ankle fracture; Joint manipulation; ASTYM treatment
24.  LATERAL ANKLE INJURY 
Background: Injury to the ankle joint is the most common peripheral joint injury. The sports that most commonly produce high ankle injury rates in their participating athletes include: basketball, netball, and the various codes of football.
Objective: To provide an up to date understanding of manual therapy relevant to lateral ligament injury of the ankle. A discussion of the types of ligament injury and common complicating factors that present with lateral ankle pain is presented along with a review of relevant anatomy, assessment and treatment. Also included is a discussion of the efficacy of manual therapy in the treatment of ankle sprain.
Discussion: A detailed knowledge of the anatomy of the ankle as well as the early recognition of factors that may delay the rate of healing are important considerations when developing a management plan for inversion sprains of the ankle. This area appears to be under-researched however it was found that movement therapy and its various forms appear to be the most efficient and most effective method of treating uncomplicated ankle injury. Future investigations should involve a study to determine the effect chiropractic treatment (manipulation) may have on the injured ankle.
PMCID: PMC2051062  PMID: 17987171
Ankle; sport; injury; treatment; chiropractic
25.  Treatment of Lateral Knee Pain by Addressing Tibiofibular Hypomobility in a Recreational Runner 
Background
Altered joint arthrokinematics can affect structures distal and proximal to the site of dysfunction. Hypomobility of the proximal tibiofibular joint may limit ankle dorsiflexion and indirectly alter stresses about the knee.
Objectives
To examine the effect of addressing hypomobility of the proximal tibiofibular joint in an individual with lateral knee pain.
Case Description
A 24 year old female recreational runner presented with a three month history of right lateral knee pain. Limited right ankle dorsiflexion was noted and determined to be related to decreased mobility of the proximal tibiofibular joint, as well as, the talocrural and distal tibiofibular joints. Functional movement deficits were noted during the squat test and step down test. Treatment was performed three times over the course of two weeks which included proximal tibiofibular joint manipulation and an exercise program consisting of hip strengthening, balance, and gastrocnemius/soleus muscle complex stretching.
Outcomes
Immediately following intervention, improvements were noted for ankle dorsiflexion, squat test, and step down test. One week following the initial intervention the patient reported she was able to run pain free.
Discussion
Addressing impairments distant to the site of dysfunction, such as the proximal tibiofibular joint, may be indicated in individuals with lateral knee pain.
PMCID: PMC2953316  PMID: 21509117
ankle sprain; arthrokinematics; manipulation

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