“Short-duration stretching before exercise temporarily improves range of joint motion and doesn't weaken muscles, says new research that fuels the debate about whether stretching before exercise reduces muscle strength and performance. In this study, moderately active, non-athlete participants did two, four and eight-minute sessions of lower leg and ankle stretching. The participants' exercise performance was assessed before and immediately after, and also 10, 20 and 30 minutes after stretching. The stretching didn't cause any changes in muscle strength, but did improve range of motion of the ankle joint. The findings were published in the August issue of Medicine & Science in Sports & Exercise. ‘In moderately active individuals, short durations of stretching seem to temporarily improve flexibility without the detrimental strength losses that have been previously reported,’ study author Eric Ryan said in an American College of Sports Medicine news release.”
http://www.healthday.com/Article.asp?AID=617905
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