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Updated: Jan 2 2022

Biceps femoris long head

Images
https://upload.orthobullets.com/topic/10071/images/biceps-femoris-long-head.jpg
  • Summary
      • Biceps femoris long head
      • Origin
      • Superior medial quadrant of the posterior portion of the ischial tuberosity
      • Insertion
      • Primarily on fibular head; also on lateral collateral ligament and lateral tibial condyle
      • Action
      • Flexes the knee, and also rotates the tibia laterally; long head also extends the hip joint
      • Innervation
      • Tibial nerve (L5, S1, S2)
      • Arterial supply
      • Perforating branches of profunda femoris artery, inferior gluteal artery, and the superior muscular branches of popliteal artery
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Private Note