Muscles Of The Hip

Question 1

Iliacus (iliapsoas)

Answer 1

• Origin: iliac fossa
• Insertion: lesser trochanter
• Action: flex hip and spine

Question 2

Psoas Major (iliopsoas)

Answer 2

• Origin: T12-L5
• Insertion: lesser trochanter
• Action: flex hip and spine

Question 3

Gluteus Maximus

Answer 3

• Origin: ilium, sacrum and coccyx
• Insertion: femus, IT band
• Action: extend rotate hip (Lateral)

Question 4

Gluteus medius

Answer 4

• Origin: ilium
• Insertion: greater trochanter
• Action: extend rotate hip (medial)

Question 5

Tensor fascia latae

Answer 5

• Origin: Iliac crest
• Insertion: IT band
• Action: abduct thigh

Question 6

Gracilis (adductors)

Answer 6

• Origin: pubis and ischium
• Insertion: medial tibia
• Action: adduct thigh

Question 7

Pectineus

Answer 7

• Origin pubis
• Insertion: Linea aspera
• Action: adduction

Question 8

Piriformis

Answer 8

• Origin: sacrum
• Insertion: greater trochanter
• Action: external rotation of the thigh