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Logo of brjsmedBritish Journal of Sports MedicineVisit this articleSubmit a manuscriptReceive email alertsContact usBMJ
Br J Sports Med. 2007 October; 41(10): 659.
PMCID: PMC2465168


It is already known that applying SR to the sensorimotor system in ageing populations can enhance functional behaviours such as postural stability. This study proposes that SR can be used as an adjunct therapy in rehabilitation and sports medicine programmes. However, more work is needed to confirm the exact mechanism of application. Is stimulation of the musculature of the lower leg responsible for transmitting the random noise in this study? Or is the proprioceptive system the actual conduit? The “optimal intensities” in SR applications also need to be clarified. In clinical contexts, a group design cannot answer that question, as levels of error variance in the data may mask observed effects. A more useful approach is a multiple‐baseline, single‐participant design1 in which “optimal” levels of noise intensity are generated for each individual to assess behavioural effects. As a first step, in this study, it would have been interesting to understand how many participants experienced an improvement in postural stability between control and experimental treatment conditions.


1. Bates B T. Single‐participant methodology: an alternative approach. Med Sci Sport Exerc 1996. 28631–638.638

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