Tensor fascia latae

TFL Origin

The tensor fascia lata starts from the anterior superior iliac spineProminent front projection of the iliac crest; common landmark for muscle attachment. (ASIS). It also originates from the outer lip of the iliac crestSuperior ridge of the ilium; easily felt along the waistline., just below the ASIS. The ASIS is a prominent bony projection on the anteriorThe front of the body or toward the front when standing in the anatomical position. part of the pelvis. It serves as a key landmark for various muscles and ligaments in the region.

TFL Insertion

From its origin, the TFL travels downward and slightly backward. It merges with the iliotibial band (IT band). The IT band is a thick band of connective tissue. It extends down the lateral side of the thigh. The TFL inserts indirectly via the IT band into the lateral condyleOuter rounded bump at distal end; articulates with tibia and meniscus. of the tibiaShinbone; large, weight-bearing medial bone of the lower leg., specifically at Gerdy’s tubercle. This insertion allows the TFL to influence movements at both the hip and knee joints. This makes it a versatile and functional muscle.

TFL Actions

Hip Flexion

Hip Abduction

Medial Rotation of the Hip

Interactive Materials