Origin
(Long Head)
Ischial tuberosity
Origin
(Short Head)
Linea aspera and the lateral supracondylar line of the femur
Insertion
(Long Head)
Lateral head of fibula
Insertion
(Short Head)
Lateral head of fibula
Actions
- Long & short head: Knee flexion and lateral rotation of leg
- Long head: Hip extension
Innervation
- Long head: Tibial division of sciatic nerve (L5, S1, S2)
- Short head: Common fibular division of sciatic nerve (L5, S1, S2)
Blood Supply
- Long & short head: Deep femoral artery and perforating arteries
- Long head: Perforating branches from profunda femoris artery
Would you like to learn more about the biceps femoris muscle? Then check out the biceps femoris muscle article and video by clicking the link below: Biceps Femoris Muscle Anatomy
