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Influence of static stretching on hamstring flexibility in healthy young adults: Systematic review and meta-analysis

PainSci » bibliography » Medeiros et al 2016
updated
Tags: treatment, good news, stretch, exercise, self-treatment, muscle

Two articles on PainSci cite Medeiros 2016: 1. Quite a Stretch2. Complete Guide to Low Back Pain

PainSci commentary on Medeiros 2016: ?This page is one of thousands in the PainScience.com bibliography. It is not a general article: it is focused on a single scientific paper, and it may provide only just enough context for the summary to make sense. Links to other papers and more general information are provided wherever possible.

This large scientific literature review evaluated hundreds of studies and picked just nineteen that were the most relevant to static hamstring stretching and flexibility in healthy young adults. In a great rarity in musculoskeletal and exercise medicine, the results were completely unambiguous: “in all tests, the results favored static stretching.”

~ Paul Ingraham

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 aim of the current study was to investigate the influence of static stretching on hamstring flexibility in healthy young adults by means of systematic review and meta-analysis. The search strategy included MEDLINE, PEDro, Cochrane CENTRAL, EMBASE, LILACS, and manual search from inception to June 2015. Randomized and controlled clinical trials studies that have compared static stretching to control group, and evaluated range of motion (ROM), were included. On the other hand, studies that have worked with special population such as children, elderly people, athletes, and people with any dysfunction/disease were excluded, as well as articles that have used contralateral leg as control group or have not performed static stretching. The meta-analysis was divided according to three types of tests. Nineteen studies were included out of the 813 articles identified. In all tests, the results favored static stretching compared to control group: passive straight leg raise (12.04; 95% CI: 9.61 to 14.47), passive knee extension test (8.58; 95% CI: 6.31 to 10.84), and active knee extension test (8.35; 95% CI: 5.15 to 11.55). In conclusion, static stretching was effective in increasing hamstring flexibility in healthy young adults.

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