BICEPS FEMORIS

• Origin

Long head: Ischial tuberosity

Short head: Linea Aspera and Lateral supracondylar line of femur

• Insertion

Head of fibula, lateral condyle of tibia

• Agonist(s)

- Semitendinosus

- Semimembranosus

- Gluteus maximus

• Antagonist(s)

- Quadriceps femoris

• Function

Knee flexion, hip extension, hip external rotation