Middag, T. R., & Harmer, P. (2002). Active-isolated stretching is not more effective than static stretching for increasing hamstring ROM. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 845.

College recreational athletes (N = 30) were randomly assigned to an active-isolated stretching group, a static stretching group, or a no-stretching control group. Following five minutes of active warm-up, Ss performed their stretching routine five times per week for three weeks. Total stretching was equivalent for each group.

There was no difference between groups in increased hamstring flexibility.

Implication. Active-isolated and static stretching procedures have similar effects on increasing hamstring flexibility.

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