Tensor Faciae latae Muscle,Origin,Insertion,Action,Blood & Nerve supply,Anatomical relation.

Tensor Faciae latae Muscle,Origin,Insertion,Action,Blood & Nerve supply,Anatomical relation.
Tensor fasciae latae is a fusiform muscle located in the lateral aspect of the thigh. It belongs to the muscles of the gluteal region, along with the gluteus maximus, gluteus medius and gluteus minimus muscles.

Tensor fasciae latae is found superficial in the anterolateral aspect of the thigh, spanning from the anterior portion of the iliac crest to the superior portion of the tibia, onto which it inserts via the iliotibial tract. The main function of this muscle is to produce the extension and lateral rotation of the leg on the knee joint. Additionally, it contributes to the movements of the thigh, acting as a relatively weak abductor and medial rotator on the hip joint.

Key facts about the tensor fasciae latae muscle

Origin
Outer lip of anterior iliac crest, Anterior superior iliac spine (ASIS)
Insertion
Lateral condyle of tibia (via iliotibial tract)
Action
Hip joint: Thigh internal rotation, (Weak abduction); Knee joint: Leg external rotation, (Weak leg flexion/ extension); Stabilizes hip & knee joints
Innervation
Superior gluteal nerve (L4-S1)
Blood supply
Ascending branch of lateral circumflex femoral artery

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