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Titre : | Whole-Body and Local Muscle Vibration Immediately Improve Quadriceps Function in Individuals With Anterior Cruciate Ligament Reconstruction (2016) |
Auteurs : | Derek N. Pamukoff ; Brian Pietrosimone ; Michael D. Lewek |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2016/7, 2016) |
Article en page(s) : | pp. 11211129 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Arthrose ; Genou ; Rééducation et réadaptation |
Mots-clés: | Knee ; Muscles ; Osteoarthritis ; Resistance training ; Entraînement en résistance |
Résumé : |
Objective To determine the immediate effects of a single session of whole-body vibration (WBV) and local muscle vibration (LMV) on quadriceps function in individuals with anterior cruciate ligament reconstruction (ACLR). Design Singe-blind, randomized crossover trial. Setting Research laboratory. Participants Population-based sample of individuals with ACLR (N=20; mean age + SD, 21.1+1.2y; mean mass + SD, 68.3+14.9kg; mean time + SD since ACLR, 50.7+21.3mo; 14 women; 16 patellar tendon autografts, 3 hamstring autografts, 1 allograft). Interventions Participants performed isometric squats while being exposed to WBV, LMV, or no vibration (control). Interventions were delivered in a randomized order during separate visits separated by 1 week. Main Outcome Measures Quadriceps active motor threshold (AMT), motor-evoked potential (MEP) amplitude, Hoffmann reflex (H-reflex) amplitude, peak torque (PT), rate of torque development (RTD), electromyographic amplitude, and central activation ratio (CAR) were assessed before and immediately after a WBV, LMV, or control intervention. Results There was an increase in CAR (+4.9%, P=.001) and electromyographic amplitude (+16.2%, P=.002), and a reduction in AMT (3.1%, P<.001 after wbv and an increase in car p=".001)" a reduction amt lmv. no effect was observed or lmv h-reflex rtd mep amplitude. pt electromyographic amplitude the condition differed from control postapplication. differences were between postapplication any measurement.> Conclusions WBV and LMV acutely improved quadriceps function and could be useful modalities for restoring quadriceps strength in individuals with knee pathologies. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999316000885 |