Pes anserinus (leg)

Pes anserinus
Muscles of the gluteal and posterior femoral regions. Area of pes anserinus is encircled at bottom. Sartorius, gracilis, semitendinosus and semimembranosus are labeled at bottom left.
Details
Identifiers
Latinpes anserinus
TA22612
FMA311256
Anatomical terminology

Pes anserinus ("goose foot") refers to the conjoined tendons of three muscles of the thigh. It inserts onto the anteromedial (front and inside) surface of the proximal tibia. The muscles are the sartorius, gracilis and semitendinosus sometimes referred to as the guy ropes. The name "goose foot" arises from the three-pronged manner in which the conjoined tendon inserts onto the tibia.

Structure

The three tendons, from front to back, that conjoin to form the pes anserinus come from the sartorius muscle, the gracilis muscle, and the semitendinosus muscle. It inserts onto the proximal anteromedial surface of the tibia.

The pes anserinus is around 5 cm below the medial tibial joint line. It lies superficial to the tibial insertion of the medial collateral ligament of the knee.

Clinical significance

Pes anserinus tendinitis/bursitis syndrome, or pes anserine bursitis, is a cause of chronic knee pain and weakness. It occurs when the medial portion of the knee is inflamed. If the bursa underlying the tendons of the sartorius, gracilis, and semitendinosus gets irritated from overuse or injury, a person can develop this ailment. This condition usually occurs in athletes from overuse. This pathology is characterized by pain, swelling, and / or tenderness.

The semitendinosus tendon can be used in certain techniques for reconstruction of the anterior cruciate ligament.

History

The name "goose foot" arises from the three-pronged manner in which the conjoined tendon inserts onto the tibia.

Additional Images


This page was last updated at 2024-03-16 09:36 UTC. Update now. View original page.

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