Name
Pronunciation
(sem-e-ten-di-NO-sus)
Origin/Proximal Attachment
Ischial tuberosity
Insertion/Distal Attachment
Medial aspect of tibial shaft
contributes to pes anserine
Action/Relevance
Extends the hip
Flexes the knee
Internally rotates the tibia
Innervation
Tibial nerve of sciatic bundle (L5, S1, 2)
Notes
Shares common attachment with the long head of the biceps tendon
Belly is fusiform that ends at about 50% of the total length and runs on the surface of semimemb.
Tendon curves around the medial tibial condyle, over the medial collateral; lig. and inserts behind sartorius and distal to gracilis.