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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Lower limb strength and flexibility in athletes with and without patellar tendinopathy

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Silva, Rodrigo Scattone [1] ; Nakagawa, Theresa H. [1] ; Ferreira, Ana Luisa G. [1] ; Garcia, Luccas C. [1] ; Santos, Jose E. M. [2] ; Serrao, Fabio V. [1]
Total Authors: 6
[1] Univ Fed Sao Carlos UFSCar, Dept Phys Therapy, Rodovia Washington Luis, Km 235, BR-13565905 Sao Carlos, SP - Brazil
[2] Univ Fed Sao Carlos, Dept Med, Sao Carlos, SP - Brazil
Total Affiliations: 2
Document type: Journal article
Source: PHYSICAL THERAPY IN SPORT; v. 20, p. 19-25, JUL 2016.
Web of Science Citations: 19

Objectives: To compare the hip, knee and ankle torques, as well as knee and ankle flexibility between athletes with patellar tendinopathy and asymptomatic controls, Design: Cross-sectional study. Setting: Laboratory setting. Participants: Fourteen male volleyball, basketball or handball athletes, divided into 2 groups, patellar tendinopathy group (TG; n = 7) and asymptomatic control group (CG; n = 7). Main outcome measures: Hip, knee and ankle isometric torques were measured with a handheld dynamometer. Weight-bearing ankle dorsiflexion, hamstring and quadriceps flexibility were measured with a gravity inclinometer. Results: The TG had 27% lower hip extensor torque when compared to the CG (P = 0.031), with no group differences in knee and ankle torques (P > 0.05). Also, the TG had smaller weight-bearing ankle dorsiflexion (P = 0.038) and hamstring flexibility (P = 0.006) when compared to the CG. Regarding quadriceps flexibility, no group differences were found (P = 0.828). Conclusions: Strength and flexibility deficits might contribute to a greater overload on the knee extensor mechanism, possibly contributing to the origin/perpetuation of patellar tendinopathy. Interventions aiming at increasing hip extensors strength as well as ankle and knee flexibility might be important for the rehabilitation of athletes with patellar tendinopathy. (C) 2015 Elsevier Ltd. All rights reserved. (AU)

FAPESP's process: 14/10506-1 - Muscle strength and biomechanics of the lower limb and trunk during stop-jump in subjects with and without patellar tendinopathy
Grantee:Fábio Viadanna Serrão
Support Opportunities: Regular Research Grants