A randomized trial of preexercise stretching for prevention of lower-limb injury

R P Pope, R D Herbert, J D Kirwan, B J Graham

Research output: Contribution to journalArticlepeer-review

257 Citations (Scopus)

Abstract

PURPOSE: This study investigated the effect of muscle stretching during warm-up on the risk of exercise-related injury.

METHODS: 1538 male army recruits were randomly allocated to stretch or control groups. During the ensuing 12 wk of training, both groups performed active warm-up exercises before physical training sessions. In addition, the stretch group performed one 20-s static stretch under supervision for each of six major leg muscle groups during every warm-up. The control group did not stretch.

RESULTS: 333 lower-limb injuries were recorded during the training period, including 214 soft-tissue injuries. There were 158 injuries in the stretch group and 175 in the control group. There was no significant effect of preexercise stretching on all-injuries risk (hazard ratio [HR] = 0.95, 95% CI 0.77-1.18), soft-tissue injury risk (HR = 0.83, 95% CI 0.63-1.09), or bone injury risk (HR = 1.22, 95% CI 0.86-1.76). Fitness (20-m progressive shuttle run test score), age, and enlistment date all significantly predicted injury risk (P < 0.01 for each), but height, weight, and body mass index did not.

CONCLUSION: A typical muscle stretching protocol performed during preexercise warm-ups does not produce clinically meaningful reductions in risk of exercise-related injury in army recruits. Fitness may be an important, modifiable risk factor.

Original languageEnglish
Pages (from-to)271-7
Number of pages7
JournalMedicine and Science in Sports and Exercise
Volume32
Issue number2
Publication statusPublished - Feb 2000

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