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- W2361434290 abstract "Objective:To evaluate the functional change of concentric and eccentric contraction of quadriceps and hamstrings in patients with knee osteoarthritis. The special attention was paid to the function of eccentric contraction. Method: Biodex System-3 isokinetic test system was used to assess concentric and eccentric contraction of quadriceps and hamstring of involved and uninvolved limbs in 42 cases suffered from osteoarthritis. Result: In concentric contraction of both sides′ quadriceps and uninvolved sides′ hamstring,the peak torque tended to diminish as the angle velocity increasing,while peak torque leveled off in eccentric contraction. The eccentric contraction of both sides′ quadriceps and hamstring produced significantly higher torques than concentric contraction did in same speed. The significant deficits in muscle strength of quadriceps were seen in involved limbs during maximal voluntary concentric and eccentric contraction(P0.05),percentage deficits were greater than 10%,while significant deficits of hamstring were seen during low velocity concentric contraction(P0.05), percentage deficits were 14.33%. Eccentric/concentric ratio of quadriceps in patients with knee osteoarthritis was lower than that of hamstring. Eccentric/concentric ratio of quadriceps significantly increased as the angle velocity increased. Eccentric/concentric ratio of 60°/s of quadriceps of involved limbs was significantly higher than that of uninvolved limbs.Conclusion:Patients with knee OA have deficits in concentric and eccentric strength of quadriceps, which suggests that the muscle function test of patients with knee OA should include eccentric contraction test, and that patients with knee OA should enhance eccentric exercise of quadriceps." @default.
- W2361434290 created "2016-06-24" @default.
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- W2361434290 date "2006-01-01" @default.
- W2361434290 modified "2023-09-24" @default.
- W2361434290 title "A research on the eccentric strength of patients with knee osteoarthritis" @default.
- W2361434290 hasPublicationYear "2006" @default.
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