Muscles of the hip and thigh

Question 1

Locate and give the origin of the psoas major

Answer 1

origin-transverse processes of L1-L5

Question 2

Locate and give the origin of the ilicus

Answer 2

origin-iliac fossa

Question 3

Locate and give the insertion and action of the iliopsoas (psoas major and iliacus

Answer 3

insertion-lesser trochanter

action-flexes the hip

Question 4

Locate the iliotibial tract(not a muscle)

Answer 4

most lateral ligament

Question 5

Locate and give the origin, insertion, and action of the gluteus maximus

Answer 5

o Origin: gluteal surface and sacrum
o Insertion: iliotibial tract and gluteal tuberosity
o Action: extends the hip; laterally rotates the thigh

Question 6

Locate and give the origin, insertion, and action of the gluteus minimus

Answer 6

o Origin: gluteal surface
o Insertion: greater trochanter
o Action: abducts the thigh; medially rotates the thigh

Question 7

Locate and give the origin, insertion, and action of the tensor fasciae latae

Answer 7

o Origin: anterior superior iliac spine
o Insertion: iliotibial tract
o Action: tenses the fascia lata (iliotibial tract); flexes the hip; abducts the thigh

Question 8

Locate and give the origin, insertion, and action of the sartorius

Answer 8

o Origin: anterior superior iliac spine
o Insertion: medial side of tibial tuberosity
o Action: flexes the hip; abducts and laterally rotates the thigh; flexes the knee

Question 9

Locate the adductors (longus, brevis, and magnus) and give its action

Answer 9

inside of thigh

Action-adducts the thigh

Question 10

Locate the gracilis

Answer 10

medial of hip to inside of knee