A person's thigh is composed of three major muscles: the quadriceps, hamstrings and adductors. Typically, when someone refers to the thigh muscle, the person is speaking about the quadriceps. More »

The thigh has three sets of strong muscles: the hamstring muscles in the back of the thigh, the quadriceps in the front and the adductor muscles on the inside. The quadriceps and hamstring muscles work in combination to ... More »

Pain in the thigh muscle typically occurs the muscle has been strained, according to the American Academy of Orthopaedic Surgeons. Muscles in the thigh are strained when muscle fibers are torn or overstretched. A direct ... More »

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The Clermont College Biology Department lists examples of flexor muscles as the biceps brachii and the hamstrings, and some examples of extensor muscles are the triceps brachii, the quadriceps femoris and the gastrocnemi... More »

The muscles that control the knees include the quadriceps, hamstrings and calf muscles. These muscles all work together to allow the knee to move freely in order to walk, run, kick and jump. More »

The major muscles in the human upper leg are in two groups: the hamstrings and the quadriceps. The semitendinosus, semimembranosus and biceps femoris muscles comprise the hamstrings muscle group, while the rectus femoris... More »

The quadriceps, also known as the thigh muscles, move the knee and the hip, and they prevent the knee from buckling. The quadriceps are engaged when doing squats, climbing stairs, standing up and walking. More »