Quadriceps OIF

Rectus Femoris

Origin: Anterior Inferior Iliac Spine

Insertion: Tibial Tuberosity via Patellar Tendon

Function: Hip Flexion / Extension of Knee

Origin of Rectus of Femoris

Anterior Inferior Iliac Spine (AIIS)

Insertion of Rectus Femoris

Tibial Tuberosity via Patellar Tendon

Function of Rectus Femoris

Flexion of Hip/ Extension of Knee

Vastus Lateralis

Origin: Greater Trochanter & Linea Aspera of Femur

Insertion: Tibial Tuberosity via Patellar Tendon

Function: Knee Extension

Origin of Vastus Lateralis

Greater Trochanter and Linea Aspera of Femur

Insertion of Vastus Lateralis

Tibial Tuberosity via Patellar Tendon

Function of Vastus Lateralis

Knee Extension

Vastus Intermedius

Origin: Femur

Insertion: Tibial Tuberosity via Patellar Tendon

Function: Knee Extension

Origin of Vastus Intermedius

Femur (anterior surface)

Insertion of Vastus Intermedius

Tibial Tuberosity via Patellar Tendon

Function of Vastus Intermedius

Knee Extension

Vastus Medialis

Origin: Linea Aspera (medial surface)

Insertion: Tibial Tuberosity via Patellar Tendon

Function: Knee Extension

Origin of Vastus Medialis

Linea Aspera (medial surface)

Insertion of Vastus Medialis

Tibial Tuberosity via Patellar Tendon

Function of Vastus Medialis

Knee Extension

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Sartorius

Origin: Anterior Superior Iliac Spine

Insertion: Sherden’s tubercle

Function: Controls Rotation of Tibia

Origin of Sartorius

Anterior Superior Iliac Spine

Insertion of Sartorius

Medial Tibial Plateau (Sherden’s Tubercle)

Function of Sartorius

Controls Rotation of Tibia