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30 Οκτ 2023 · The prime flexors of the knee joint are biceps femoris, semitendinosus and semimembranosus, whereas popliteus initiates flexion of the “locked knee” and gracilis and sartorius assist as weak flexors. The primary extensor of the knee joint is quadriceps femoris, assisted by the tensor fasciae latae. Quadriceps femoris of four muscle bellies ...
- Quadriceps Femoris Muscle
Aside from extending the knee, the rectus femoris muscle...
- Quadriceps Femoris Muscle
3 Νοε 2023 · There are four main movements that the knee joint permits: Extension – produced by the quadriceps femoris, which inserts into the tibial tuberosity. Flexion – produced by the hamstrings, gracilis, sartorius and popliteus. Lateral rotation – produced by the biceps femoris.
2 ημέρες πριν · As the knee is a synovial hinge joint, its function is to permit the flexion and extension of the lower leg relative to the thigh. The range of motion of the knee is limited by the anatomy of the bones and ligaments, but allows around 120 degrees of flexion.
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The main movement of the knee is flexion - extension. For that matter, the knee acts as a hinge joint, whereby the articular surfaces of the femur roll and glide over the tibial surface. During flexion and extension, tibia and patella act as one structure in relation to the femur. [5]
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