Muscles, Origins, Insertions, Actions

Front 1

Iliacus

Back 1

Origin: Iliac Fossa

Insertion: Lesser trochanter of the femur and the shaft just below (adjacent to the femur)

Action: Hip flexion, hip outward rotation, hip adduction

Front 2

Psoas Major/Minor

Back 2

Origin: Transverse proc. of the lumbar vertebrae and the bodies between them & 12 thoracic vertebrae

Insertion:Lesser trochanter of the femur and adjacent to femur

Action: Hip flexion, hip outward rotation, and hip adduction

Front 3

Tensor Fasciae Latae

Back 3

Origin: Anterior, lateral surface of the ilium below the anterior crest and posterior to the anterior, superior spine of the ilium

Insertion: Ilio-tibial band

Action: Hip flexion, hip inward rotation, hip abduction

Front 4

Pectineus

Back 4

Origin: Superior Ramus of the Pubis (pubic bone crest)

Insertion: Pectineal line of the femur, posterior femur

Action:hip flexion,hip outward rotation, hip adduction

Front 5

Adductor Brevis

Back 5

Origin: Inferior Ramus of the Pubis (pubic bone)

Insertion: Pectineal line of the femur and upper 1/3 of linea aspera

Action: hip flexion, hip outward rotation, hip adduction

Front 6

Adductor Longus

Back 6

Origin: Body of the Pubis, just inferior to the pubic crest (body of the pubic bone)

Insertion: Middle 1/3 of the linea aspera

Action: hip flexion, hip outward rotation, hip adduction

Front 7

Adductor Magnus

Back 7

Origin:Inferior Ramus of the Pubis and Ischium

Insertion:Linea apera, medial epicondylar ridge of femur, and adductor tubercle of femur

Action:hip/leg flexion, hip/leg outward rotation, hip/leg adduction

Front 8

Gracilis

Back 8

Origin: Symphysis pubis and inferior ramus of the pubic bone

Insertion:upper,anterior, medial surface of the tibia

Action: hip flexion, hip outward rotation, hip adduction, knee flexion

Front 9

Sartorius

Back 9

Origin:Anterior, superior iliac spine

Insertion:upper, anterior, medial surface of the tibia

Action:hip flexion, hip outward rotation, hip abduction, knee flexion