Section 4 - Muscles and Movements

Knee Flexors, Hamstrings

kneeflexors540

Figure 1. Knee/Leg Flexors

The knee/leg flexors are a group of three muscles located in the posterior thigh region on both sides of the body. Their names are:

1) Semitendinosus
2) Biceps Femoris
3) Semimembranosus

They are commonly known as the hamstrings.

These muscles are shown in figure 1 above.

The knee flexors function to flex the lower leg/calf behind the thigh. This is illustrated in Figures 2a and 2b.

mm knee flexion

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