The hamstring muscles are located at the back of the thigh, starting from the bottom of the pelvis and ending just below the knee joint, and consist of the short and long heads of the biceps femorison the outside part of the thigh (B), and the semi-
membranosis and semi-tendinosis on the inside part of the thigh (C). The hamstring muscles themselves can be worked along their entire length, as well as their interfaces with the gluteals, adductors, iliotibial band, gastroc heads, and at their attachment to the pelvis at the ischial tuberosity - the bony prominence you sit on (A). Several ART treatment examples are shown below.
The hamstring muscles help pull the thigh backward, bend the knee, affect the forward or backward tilt of the pelvis as you sit, and the inward or outward rotation of the leg and foot as you walk or run. Tight hamstrings can prevent normal hip flexion / knee extension and therefore shorten your walking or running stride. Weak hamstrings can place a greater demand on the quadriceps, adductors, and calf muscles to create propulsion while running. The sciatic nerve runs down between the hamstring muscles and can be related to sciatica problems.
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