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1.  The effects of aerobic physical activity on adiposity in school-aged children and youth: a systematic review of randomized controlled trials 
Context
The role of aerobic physical activity as a standalone treatment in decreasing adiposity in school-aged children and youth has not been well established.
Objective
To systematically search and assess the quality of the literature on the efficacy of aerobic physical activity to decrease adiposity in school-aged children and youth.
Methods
An electronic search strategy was conducted in EBSCO databases, including MEDLINE and CINAHL. Retrieved articles that met the eligibility criteria were rated for methodological quality by using the Downs and Black checklist.
Results
10 articles met the inclusion criteria in the form of RCTs. Results indicate that five articles had positive results in decreasing adiposity compared to controls and five articles had no change in adiposity compared to controls.
Conclusion
There is a paucity of evidence to support aerobic physical activity as a successful standalone treatment for decreasing adiposity. Despite the heterogeneity of the methods there is some evidence to support that school-aged children and youth benefit from aerobic physical activity to decrease adiposity and to limit weight gain.
PMCID: PMC3222701  PMID: 22131562
systematic review; physical activity; exercise; adiposity; body mass index; body composition; children; youth; évaluation systématique; activité physique; exercice; adiposité; indice de masse corporelle; composition du corps; enfants; adolescents
2.  Osteochondral lesion of the talus in a recreational athlete: a case report 
A 23-year-old recreational male athlete presented with intermittent pain of three weeks duration, localized to the left ankle. Pain was aggravated by walking, although his symptoms had not affected the patient’s jogging activity which was performed three times per week. Past history revealed an inversion sprain of the left ankle, sustained fifteen months previously. Examination showed mild swelling anterior to the ankle mortise joint while other tests including range of motion, strength and motion palpation of specific joints of the ankle were noted to be unremarkable. Radiographic findings revealed a defect in the medial aspect of the talus. An orthopaedic referral was made for further evaluation. Tomography revealed a Grade III osteochondral lesion of the talus.
It was determined that follow-up views be taken in three months to demonstrate if the lesion was progressing or healing. Within the three month period, activity modifications and modalities for pain control were indicated. Surgery was considered a reasonable option should conservative measures fail.
The present case illustrates an osteochondral lesion of the talus, a condition which has not previously been reported in the chiropractic literature. A review of the pertinent orthopaedic literature has indicated an average delay of three years in diagnosing the existence of this lesion.
Although considered rare, the diagnostic frequency of the condition appears to be on the rise due to increased awareness and the use of bone and CT scans. The osteochondral lesion of the talus deserves particular consideration by practitioners working with athletes due to its higher incidence within this group. This diagnosis should be considered in patients presenting with chronic ankle pain particularly when a history of an inversion sprain exists.
The purpose of this report is to increase awareness of this condition, and review diagnosis and management strategies.
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PMCID: PMC2485432
osteochondral lesion; talus; osteochondritis dissecans; diagnosis; chiropractic; athletic injuries; ankle

Results 1-2 (2)