Unit 1 Orgin and Insertion

Illiacus M.

O: Iliac fossa

Insertion: Lesser Trocanter

Iliopsoas M.

2

Psoas Major M.

O: Lower spine

I: Lesser trochanter of femur

Sartorius, Tailor’s Muscle

O: Anterior inferior iliac spine, ASIS

I: Proximal end of tibia

Rectus Femoris M.

O: Anterior inferior iliac spine, ASIS

I: Quadriceps femoris tendon

Vastus Lateralis M.

O: Lateral lip of the linea aspera of the femur

I: Quadriceps femoris tendon

Vastus Medialis M.

O: Medial lip of the linea aspera of the femur

I: Quadriceps femoris tendon

Vastus Intermedius M.

O: Anterior shaft and lateral lip of the linea aspera of the femur

I: Quadriceps femoris tendon

Adductor Magnus

O: Ischium and pubic bones

I: Femur

Adductor Longus

O: Pubic bone

I: Linea Aspera of femur

Pectineus

A: Flexion, adduction, and rotation of the femur

O: pubic bone

I: Posterior surface of proximal femur

N: Femoral

Gracilis M.

A: Flexes and medially rotates knee and adducts the hip

O: Pubic bone

I: medial surface of proximal shaft of tibia

N: Obturator

Femoral Nerve

• largest branch of lumbar plexus

I: Anterior thigh

Tensor Fasciae Lata/e M.

I: Superior iliac spine and outer iliac crest (from elsevier)

O: IT band (from elssvier)