Anatomy Hip

Question 1

Psoas Major

Answer 1

O: T12-L5 Transverse Process & Body
I: Lessor Trochanter
A: Lumbar Flexion, NWB-Hip Flexion, WB-Decelerates Hip Internal Rotation & Controls Hip Extension
Inn: L1-L3
BS: Iliolumbar Artery from Internal Iliac Artery

Question 2

Iliacus

Answer 2

O: Iliac Fossa & Sacrum
I: Lessor Trochanter
A: Anterior Pelvic Tilt, NWB-Hip Flexion, WB-Controls Hip Extension
Inn: Femoral L2-L3
BS: Iliolumbar Artery from Internal Iliac Artery

Question 3

Rectus Femoris

Answer 3

O: Anterior Inferior Iliac Spine (AIIS)
I: Tibial Tuberosity via patellar Ligament
A: Knee Extension; NWB-Hip Flexion, WB-Controls hip extension
Inn: Femoral Nerve (L2-L4)
BS: Femoral Artery & Branches from the profunda femoris artery

Question 4

Sartorius

Answer 4

O:  ASIS
I:  Upper medial surface of the tibia
A:  Knee Flexion, External Rotation; NWB-Hip Flexion, abduction, external rotation; WB-Controls hip extension, adduction, internal rotation
Inn:  Femoral Nerve (L2-L3)
BS:  Branches from the femoral artery

Question 5

Pectineus

Answer 5

O: Pectineal line of pubis
I: Upper half of pectineal line of femur
A: NWB- Hip flexion, adduction, internal rotation; WB-Controls hip extension, abduction, external rotation
Inn: Femoral Nerve (L2-L3)
BS: Branches from the internal iliac & profunda femoris artery

Question 6

Gracilis

Answer 6

O: Inferior ramus of pubis
I: Upper part of medial surface of tibia
A: NWB-Hip flexion, adduction, internal rotation; WB-controls hip abduction, extension, & external rotation
Inn: Obturator Nerve (L2-L3)
BS: Obturator artery from internal iliac artery

Question 7

Adductor Longus

Answer 7

O:  Inferior Ramus of pubis
I:  Middle 1/3 of posterior femur
A:  NWB-Hip flexion, adduction, internal rotation WB-Controls extension, abduction, external rotation
Inn:  Obturator Nerve (L2-L4)
BS:  Femoral Artery

Question 8

Adductor Brevis

Answer 8

O:  Inferior Ramus of Pubis
I:  Upper 1/2 of posterior femur
A:  NWB-Hip flexion, adduction, internal rotation; WB-controls abduction, extension, external rotation
Inn:  Obturator Nerve (L2-L4)
BS:  Femoral Artery

Question 9

Adductor Magnus

Answer 9

O:  Anterior pubis & ischial tuberosity
I:  Linea aspera & adductor tubercle
A:  NWB-Hip flexion, adduction; WB-controls hip abduction, flexion
Inn:  Obturator & sciatic nerves (L2-S1)
BS: Femoral Artery

Question 10

Semimembranosus

Answer 10

O: Ischial tuberosity
I: Medial condyle of tibia
A: Knee flexion, medial rotation; NWB-Hip extension; WB-controls hip flexion
Inn: Tibial nerve (L5-S2)
BS: Branches from internal iliac, popliteal and, profunda femoris arteries

Question 11

Semitendinosus

Answer 11

O: Ischial Tuberosity
I: Upper part of medial surface of tibia
A: Knee flexion, medial rotation; NWB-Hip extension; WB-Controls hip flexion
Inn: Tibial nerve (L5-S2)
BS: Branches from internal iliac, popliteal and, profunda femoris arteries

Question 12

Biceps Femoris (Long Head)

Answer 12

O: Ischial Tuberosity
I: Lateral condyle of tibia & head of fibula
A: Knee flexion, lateral rotation; NWB-Hip extension, helps with external rotation; WB-Controls hip flexion
Inn: Sciatic nerve (L5-S2)
BS: Branches from internal iliac, popliteal and, profunda femoris arteries

Question 13

Gluteus Minimus

Answer 13

O: Ilium between anterior & inferior gluteal lines
I: Anterior border of greater trochanter
A: NWB-Hip abduction, internal rotation; WB-controls hip adduction, external rotation
Inn: Superior gluteal nerve (L5-S1)
BS: Superior gluteal artery from the internal iliac artery

Question 14

Gluteus Medius

Answer 14

O: Anterior lateral Ilium
I: Lateral surface of greater trochanter
A: NWB-Hip extension, abduction, internal rotation (anterior fibers), external rotation (posterior fibers)
Inn: Superior gluteal nerve (L5-S1)
BS: Superior gluteal artery from internal iliac artery

Question 15

Gluteus Maximus

Answer 15

O: Posterior ilium, sacrum, coccyx
I: Gluteal tuberosity & iliotibial tract
A: NWB-Hip extension, abduction, external rotation; WB-Controls hip flexion, adduction, internal rotation
Inn: Inferior gluteal nerve (L5-S2)
BS: Inferior gluteal artery from the internal iliac artery

Question 16

Tensor Fascia Latae

Answer 16

O: Anterior Superior Iliac Spine (ASIS)
I: Iliotibial tract
A: NWB-Hip abduction from hip in flexed position, internal rotation; WB-Controls hip adduction, external rotation
Inn: Superior gluteal nerve (L4-L5)
BS: Superior gluteal artery from internal iliac artery

Question 17

Piriformis

Answer 17

O: Anterior lateral sacrum
I: Superior greater trochanter
A: NWB-Hip external rotation; WB-Controls internal rotation
Inn: L5-S2
BS: Inferior gluteal artery from internal iliac artery

Question 18

Superior Gemellus

Answer 18

O: Ischial spine
I: Greater trochanter via obturator internus tendon
A: NWB-Hip external rotation; WB-Controls hip internal rotation
Inn: Sacral Plexus (L5-S1)
BS: Inferior gluteal artery from internal iliac artery

Question 19

Inferior Gemellus

Answer 19

O: Ischial tuberosity
I: Greater trochanter via obturator internus tendon
A: NWB-hip external rotation; WB-Controls hip internal rotation
Inn: Sacral plexus (L4-S1)
BS: Inferior gluteal artery from internal iliac artery

Question 20

Obturator Externus

Answer 20

O: Pubis, ischium and margin of obturator foramen
I: Upper posterior femur
A: NWB-Hip external rotation; WB-Controls hip internal rotation
Inn: Obturator nerve (L3-L4)
BS: Obturator Artery from internal iliac artery

Question 21

Obturator Internus

Answer 21

O: Sciatic notch and margin of obturator foramen
I: Greater trochanter
A: NWB-Hip external rotation; WB-Controls hip internal rotation
Inn: Sacral Plexus (L5-S1)
BS: Inferior pudendal artery from the internal iliac artery

Question 22

Quadratus Femoris

Answer 22

O: Ischial tuberosity
I: Greater trochanter
A: NWB-Hip external rotation; WB-Controls hip internal rotation
Inn: Sacral plexus (L4-S1)
BS: inferior pudendal artery from the internal iliac artery