The pes anserinus is the broad conjoined tendon of insertion of the sartorius, gracilis and semitendinosus muscles on medial surface of the proximal tibia. The term pes anserinus is Latin for "goose's foot" and was named based on its similar appearance to the webbed three-toed feet of geese. Within the pes anserinus, the three muscles attach in series such that the tendon of sartorius is most anterior, whilst the semitendinosus is the most posterior, with the gracilis in between.
Interestingly, each muscle is from one of the three different compartments of the thigh, originating from different outlying points on the pelvis but merging at a common insertion point below the knee. This arrangement is thought to contribute to stabilizing the pelvis/trunk over knee joint.
English: Pes anserinus
Latin: Pes anserinus
|Structure||Conjoined insertion of the sartorius, gracilis and semitendinosus|
|Insertion||Medial aspect of the proximal part of the tibia|
Learn more about the muscles of the hip and thigh with this study unit:
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