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Effect of pre-exercise stretching on repeat sprint performance

PainSci » bibliography » Musham et al 2010
Tags: treatment, self-treatment, exercise, stretch, running, muscle

One article on PainSci cites Musham 2010: Quite a Stretch

PainSci notes on Musham 2010:

Researchers compared dynamic stretching with “active static stretching” (yep, that acronym is “ASS”) and a control group before sprints of over 20 metres. ASS had no effect one way or the other at first, but turned negative over repeated sprints; 65% of results showed a negative impact by the third sprint. This implies an effect on endurance.

original abstract Abstracts here may not perfectly match originals, for a variety of technical and practical reasons. Some abstacts are truncated for my purposes here, if they are particularly long-winded and unhelpful. I occasionally add clarifying notes. And I make some minor corrections.

The purpose of this study was to investigate the effect of pre-exercise stretching on repeated sprint performance over 20 m. Eight participants completed three conditions, active static stretching (AS), dynamic stretching (DS) and control (CON), in a counterbalanced order. Each pre-exercise condition was preceded by a 3-min walk. After stretching, participants completed the first 15 min of the Loughborough intermittent shuttle test (LIST). All statistical comparisons are made using qualitative magnitude based inferences comparing the stretching condition with CON. The results show that AS has probably had no beneficial or disadvantageous effect on performance on the first 20-m sprint (positive 57%, trivial 27%, negative 16%). There appear to be no beneficial or negative effects with the use of AS on 20-m sprint performance halfway through the LIST (positive 31%, trivial 32%, negative 37%). After 15 min of the LIST, AS appeared to exert a negative effect on sprint performance with 20-m sprint slowing (positive 35%, trivial 0%, negative 65%). DS improved performance on the first sprint (positive 89%, trivial 9%, negative 16%). By the midpoint, the beneficial effects of DS on sprint performance appear equivocal (positive 53%, trivial 28%, negative 18%). In the last sprint DS appeared to have a positive effect on performance (positive 80%, trivial 0%, negative 20%). Sprint performance during a 15-min segment of the LIST appears to be enhanced with DS. By contrast, 20-m sprint performance declined over the 15 min after AS.

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