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Titre : | Women with patellofemoral pain and knee crepitus have reduced knee flexion angle during stair ascent (2021) |
Auteurs : | Marina Cabral Waiteman ; Danilo de Oliveira Silva ; Fabio M. Azevedo ; Marcella F. Pazzinatto ; Ronaldo V. Briani ; David M. Bazett-Jones |
Type de document : | Article |
Dans : | Physical therapy in sport (Vol. 48, March 2021) |
Article en page(s) : | p. 60-66 |
Note générale : | https://doi.org/10.1016/j.ptsp.2020.12.013 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Biomécanique ; Escalier ; Genou ; Tronc |
Mots-clés: | Flexion du genou |
Résumé : |
Objectives
To compare trunk and knee biomechanics of women with and without patellofemoral pain (PFP) and knee crepitus during stair ascent. Design Cross-sectional. Setting Laboratory-based study. Participants 29 women with PFP and knee crepitus (PFPCrepitus); 28 women with PFP and no knee crepitus (PFPNOCrepitus); 17 pain-free women with knee crepitus (Pain-freeCrepitus); and 29 pain-free women without knee crepitus (Pain-freeNOCrepitus). Main outcome measures Peak trunk flexion, peak knee flexion, mean knee angular velocity, knee extensor moment at peak knee flexion, peak and impulse of the knee extensor moment. Results PFPCrepitus group performed the stair ascent task with reduced peak knee flexion compared to Pain-freeCrepitus (p = 0.04; Effect size = −0.85) and Pain-freeNOCrepitus (p = 0.03; Effect size = −0.75). No significant differences among groups were found for peak trunk flexion (p = 0.979), knee angular velocity (p = 0.420), knee extensor moment at peak knee flexion (p = 0.933), peak (p = 0.290) and impulse (p = 0.122) of the knee extensor moment. Conclusion Women with concomitant PFP and knee crepitus demonstrated reduced knee flexion during stair ascent, but no significant differences for trunk flexion and knee extensor moment variables were found. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/abs/pii/S1466853X20306167#! |