Lower Limb Regions and Thigh Compartments

The region of the lower limb encompassing the buttock.

The region of the lower limb containing the thigh muscles.

The anterior compartment of the thigh houses muscles responsible for extending the knee and flexing the hip.

The largest muscle group in the anterior compartment of the thigh, responsible for knee extension and hip flexion (in the case of rectus femoris).

The longest muscle in the human body, spanning from the hip to the knee, responsible for knee flexion, hip flexion, thigh abduction, and lateral rotation.

A major hip flexor, lying deep in the abdomen.

A strong hip flexor located in the pelvis.

A triangular area in the femoral region, containing blood vessels and nerves.

A fibrous sheath surrounding the femoral artery, vein, and nerve within the femoral triangle.

A long passage in the thigh that continues the femoral triangle, containing blood vessels and the saphenous nerve.

A triangular area situated in the upper medial thigh, just below the inguinal ligament.

The superior boundary of the Anterior Femoral Triangle, it is a strong ligament that spans the pelvis.

A long, narrow channel in the middle third of the thigh, extending from the apex of the femoral triangle to the adductor hiatus.

The largest branch of the lumbar plexus, it originates from spinal nerve roots L2-L4.

The continuation of the external iliac artery, after passing deep to the inguinal ligament. It runs through the femoral triangle and descends vertically in the thigh.

The largest branch of the femoral artery. It supplies the deep muscles of the thigh.

A muscle that flexes the hip joint. It originates from the iliac fossa and inserts into the lesser trochanter of the femur.

A muscle that flexes the hip joint. It originates from the iliac fossa and inserts into the lesser trochanter of the femur.

Lateral and Medial Circumflex Femoral Arteries, Four Perforating Arteries supplying the posterior compartment of the thigh.

The largest vein in the leg, starting from the foot and ascending up towards the thigh, connecting with the femoral vein near the inguinal ligament.

A large muscle in the medial compartment of the thigh, responsible for adducting and rotating the thigh at the hip joint.

A smaller muscle located in the medial compartment of the thigh, acting as an adductor for the thigh at the hip joint.

A large and powerful muscle spanning the medial compartment of the thigh. It adducts and medially rotates the thigh at the hip joint.

A long, thin muscle running along the medial side of the thigh, responsible for adducting and flexing the thigh at the hip joint and flexing the leg at the knee.

A small but strong muscle located anterior to the hip joint, responsible for adducting and flexing the thigh at the hip joint.

A small muscle located deep in the pelvic region, responsible for laterally rotating the thigh at the hip joint.

A major artery in the pelvic cavity that supplies blood to the medial compartment of the thigh.

A nerve that provides innervation to the muscles of the medial compartment of the thigh.

A group of muscles located on the medial side of the thigh, responsible for adduction and medial rotation of the thigh at the hip joint.