(Hamstrings) Biceps Femoris: Short Head

knee-model-patella-labeledMuscle Origin

Linea aspera to head of fibula and lateral condyle of tibia.

The biceps femoris has its origin in the middle third of the linea aspera, lateral to the supracondylar ridge of the femur.

Insertion

Head of fibula and lateral condyle of tibia.

Joining with the long head in the distal thigh, it attaches to the styloid process of the fibular head forming a semicircle around the lateral fibular collateral ligament. Remaining splits into three laminae. The intermediate lamina fuses with the fibular collateral ligament while the other two pass superficial and deep to the ligament to attach to the lateral condyle of the tibia. The Wellness Digest

Action

Flexes lower leg at knee.

The biceps femoris laterally rotates the leg when the knee is flexed.

Innervation – Nerve control

Common peroneal portion of the sciatic nerve (L5, S1)

The common peroneal nerve supplies muscular twigs to the short head of biceps femoris.

Artery

Branches from the internal iliac, popliteal and profunda femoris artery.

Antagonist muscles

Vastus Lateralis, Vastus Medialis, Vastus Intermedius, Rectus Femoris.

Pictures of muscles

 

Trigger Point Referrals

 

Stretching description

 

Exercises

 

Injuries

 

Treatment

 

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