Hamstring muscles

Hamstrings are a group of three muscles located at the back of our thighs, which can be divided into two more-or-less symmetrical parts: medial and lateral. All of them start at the ischial tuberosity, but they end at the opposite sides of the below-knee area.

In the medial group, we have the semitendinosus and semimembranosus muscles, which pass the knee and end at the tibia.

In the lateral group, we have the biceps femoris, which passes the knee and ends at the fibula. While the main bulk of this muscle (called the long head) starts at the same place as the other hamstrings, there is also a shorter part of this muscle (called the short head) which starts at the femur itself.

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