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Titre : | Sensory regulation and mechanical effects of sustained high intensity stretching of the anterior compartment of the thigh (2020) |
Auteurs : | Franck Germain ; Elodie Lemarchand ; Raphael Perrin |
Type de document : | Article |
Dans : | Journal of Bodywork and Movement Therapies (Vol. 24, n° 2, April 2020) |
Article en page(s) : | p. 18-25 |
Note générale : | doi:10.1016/j.jbmt.2020.02.028 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Exercices d'étirement musculaire ; Fascia ; Fascia lata ; Muscle quadriceps fémoral |
Mots-clés: | viscoélasticité |
Résumé : |
Background:
Ballet dancers, contortionists, gymnasts, or other sportspeople spend long hours performing stretches while training. Although most studies on stretching consider fascia lengthening to be difficult, athletes manage to lengthen their fascia. Aim: To assess the relationship between lengthening fascial structures of the anterior compartment of the thigh and the self-reported sensation of discomfort and pain during a sustained and repeated high intensity stretch. Methods: Our analysis was based on the data of 7 high school male elite rugby players who completed 11 sessions of stretching (10-min quasi-static stretch of the rectus femoris and fascia lata, at the maximum intensity tolerated), performed twice per week. The measured outcomes included hip range of motion, the length of the structures of the anterior compartment, subjective pain and tension during the stretch, and the level of surface electromyography activity. Values were compared before and after completion of the 11 sessions. Results: Myofascial length increased by 1 cm. The necessary force applied increased from 124 to 164 N. However, the maximal tolerated stretching intensity did not change significantly (from 205 to 206 N). The increase in length was principally contributed by the rate of fascial creep upon force application, and not by contractile tissue. Subjective levels of tension were related to the stretching force applied and pain was related to the lengthening. Conclusion: Sensations can be used to adjust the intensity and duration of stretching. Soft matter physics provides a new interpretation of fascia lengthening and strengthening during a high intensity stretch. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S1360859220300516 |