The muscle of the thigh are classified into three groups, anterior group, posterior group, and interior or adductors group. There are four muscle on the anterior group - quadriceps femoris- and their function is to extend the knee or extend the thigh depend on what part of the muscle don't move. Those muscle are the rectus femorarlis, vastu intermedius, vastu medialis, and vastus lateralis. The muscle that flex the knee are located on the back of the thigh and form the posterior group. They are the biceps femoris, semitendinousus, and the semimembranosus, better known as Hamstring.
The hamstring group consists of three muscles: biceps femoris, semitendinosus, and semimembranosus. These muscles are located at the back of the thigh and function to flex the knee and extend the hip.
Semimembranosus, semitendinosus, and biceps femoris ... The hamstrings
The muscle group is called the Quadriceps
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The quadriceps femoris is a group of four muscles located on the front of the thigh that work together to extend the knee and flex the hip. These muscles are important for activities like walking, running, and jumping.
Biceps Femoris, Semimembranosus, and Semitendinosus
Muscles can contract and shorten
When walking, your leg muscles contract and relax in a coordinated sequence to move your legs forward. The quadriceps at the front of your thigh extend your knee, while your hamstrings at the back of your thigh flex your knee and extend your hip. This movement propels your body forward with each step.
gracilis , adductor longus , adductor brevis and upper part of adductor magnus
The Hamstrings consist of three muscles that have the same action: the Biceps Femoris, Semitendinosus and Semimembranosus. Their actions are to flex the knee joint, adduct the leg, and extend the thigh. The Quadriceps femoris is four muscles of the femur. They are the Rectus femoris, Vastus lateralis, Vastus medialis, and Vastus intermedialis. As a group (the quads) they extend the leg at the knee.
The primary muscle responsible for extending the thigh is the quadriceps femoris, specifically the rectus femoris. To flex the knee, the primary muscles involved are the hamstrings, particularly the biceps femoris, semitendinosus, and semimembranosus. These muscle actions are important for movements like running and kicking.
The Femoral nerve. (The motor branches innervate anterior thigh muscles - quadriceps, which flex the thigh and extend the knee.)