Thigh

Question 1

Rectus Femoris

Answer 1

A: anterior inferior iliac spine of hip bone, superior margin of the acetabulum of hip bone, base of patella and tibial tuberosity of tibia

A: extension of leg at knee joint, flexion of thigh at hip joint

N: femoral nerve (L2-L4)

B: Profunda femoris, lateral circumflex femoral arteris

Question 2

Vastus Medialis

Answer 2

A: intertrochanteric line, linea aspera of femur, patella, tibial tuberosity of tibia

A: extension of leg at knee joint

N: femoral nerve (L2-L4)

B: Profunda femoris, lateral circumflex femoral arteries

Question 3

Vastus Intermedius

Answer 3

A: anterior and lateral surface of body of femur, patella, tibial tuberosity of tibia

A: extension of leg at knee joint

N: femoral nerve

B: Profunda femoris, lateral circumflex femoral arteries

Question 4

Vastus Lateralis

Answer 4

A: greater trochanter, linea aspera of femur, patella, tibial tuberosity of tibia

A: extension of leg at knee joint

N: femoral nerve

B: profunda femoris and femoral arteries

Question 5

Illiopsoas

Answer 5

A: Iliacus and psoas major
iliac fossa, anterior inferior iliac spine of hip bone; transverse process and body of TV12-LV4, intervertebral discs between TV12-LV5, lesser trochanter of femur

A: flexion of thigh at hip joint

N: femoral nerve, L1 ventral ramus

B: Medial circumflex femoral artery

Question 6

Pectineus

Answer 6

A: pectineal line of the pubis of hip bone, pectineal line of the femur

A: flexion, adduction of thigh at hip joint

N: femoral nerve

B: Medial circumflex femoral artery, obturator artery

Question 7

Tensor Fascia Latae

Answer 7

A: iliac crest, anterior superior iliac spine of hip bone, iliotibial tract

A: flexion, abduction, medial rotation of thigh; assists with extension of leg

N: superior gluteal nerve

B: lateral circumflex femoral artery

Question 8

Sartorius

Answer 8

A: anterior superior iliac spine of hip bone, proximal medial tibia

A: flexion, abduction, lateral rotation of thigh; flexion, medial rotation of leg

N: femoral nerve

B: Femoral artery

Question 9

Obturator Externus

Answer 9

A: outer surface of obturator membrane, medial margin of obturator foramen of hip bone, trochanteric fossa of femur

A: lateral rotation of thigh

N: obturator nerve

B: Obturator artery, medial circumflex femoral artery

Question 10

Adductor Longus

Answer 10

A: Body of pubis (inferior to pubic crest), linea aspera of femur

A: adduction, flexion, medial rotation of thigh

N: obturator nerve

B: profuda femoris, medial circumflex femoral artery

Question 11

Adductor Brevis

Answer 11

A: body and inferior pubic ramus (btwn gracilis and obturator externus), pectineal line of femur, linea aspera of femur

A: adduction, flexion, medial rotation of thigh at hip joint

N: obturator nerve

B: profuda femoris, medial circumflex femoral artery, obturator arteries

Question 12

Adductor Magnus

Answer 12

(shared with posterior compartment)

A: inferior ramus of pubis, ramus of ischium, ischial tuberosity of hip bone, linea aspera of femur, adductor tubercle of femur, medial supracondylar line

A: Adduct and flexes thigh
Posterior portion: extend thigh

N: obturator nerve, tibial division of sciatic nerve

B: femoral, profundus femoris, and obturator arteries

Question 13

Gracilis

Answer 13

A: body of pubis, inferior pubic ramus of hip bone, proximal medial tibia

A: flexion, adduction, medial rotation of thigh; flexion, medial rotation of leg

N: obturator nerve

Profunda femoris, medial circumflex femoral artery

Question 14

Semimembranosus

Answer 14

A: ischial tuberosity of hip bone, posterior medial condyle of tibia

A: flexion of leg at knee; extension of thigh

N: tibial division of sciatic nerve

B. medial circumflex femoral arteries, perforating branch of profunda femoris

Question 15

Semitendinosus

Answer 15

A: ischial tuberosity of hip bone, medial tibia

A: flexion of leg; extension of thigh

N: tibial division of sciatic nerve

B: medial circumflex femoral arteries, perforating branch of profunda femoris

Question 16

Biceps Femoris

Answer 16

A: (long head) ischial tuberosity of hip bone; (short head) linea aspera of femur, head of fibula

A: extension of thigh (long head), flexion and lateral rotation of leg;

B: (long head) tibial division of sciatic nerve; (short head) common fibular division of sciatic nerve