PCM OSCE Hip

Question 1

hip anterior landmarks

Answer 1

iliac crest (L4)
iliac tubercle (widest)
ASIS
greater trochanter
pubic tubercle

Question 2

hip posterior landmarks

Answer 2

PSIS (S2)
greater trochanter
ischial tuberosity

Question 3

hip flexion angle/muscles/innervation

Answer 3

90 (knee straight)
120-135 (knee flexed)
iliopsoas (femoral N. L2-4; ventral rami of lumbars L1-2)
sartorius
rectus femoris
tensor fascia lata

Question 4

hip extension angle/muscles/innervation

Answer 4

15-30
gluteus maximus (inferior gluteal N. L5-S2)
hamstrings (biceps femoris, semitendinosus, semimembranosus)

Question 5

hip abduction angle/muscles/innervation

Answer 5

45-50
gluteus medius and minimus (superior gluteal N. L5,S1)
gluteus maximus
sartorius
tensor fascia lata

Question 6

hip adduction angle/muscles/innervation

Answer 6

20-30
adductors brevis, longus (obturator N. L2-4), and magnus
pectineus
gracilis

Question 7

hip external rotation angle/muscles

Answer 7

40-60
internal and external obturators
quadratus femoris
superior and inferior gemelli
gluteus maximus
sartorius

Question 8

hip internal rotation angle/muscles

Answer 8

30-40

iliopsoas

Question 9

hip central compartmental structures

Answer 9

labrum
ligamentum teres
articular surfaces

Question 10

hip peripheral compartmental structures

Answer 10

femoral neck

synovial lining

Question 11

hip lateral compartmental structures

Answer 11

gluteus medius and minimus
piriformis
IT band
trochanteric bursae

Question 12

hip anterior structures

Answer 12

iliopsoas insertion

iliopsoas bursae

Question 13

labral loading test

Answer 13

positive: pain
indicates: labral or cartilaginous pathology

Question 14

labral distraction test

Answer 14

positive: improvement of pain
indicates: labral or cartilaginous pathology

Question 15

scour test

Answer 15

positive: pain
indicates: labral or cartilaginous pathology

Question 16

Faber 1 (apprehension) test

Answer 16

positive: anterior subluxation of hip, apprehension, pain
indicates: labral pathology or impingement

Question 17

Faber 2 (Patrick’s) test

Answer 17

positive: pain or weakness
indicates: gluteus medius pathology

Question 18

Faber 3 (Patrick’s) test

Answer 18

positive: anterior or medial groin pain/weakness
indicates: iliopsoas insufficiency or pathology

Question 19

Jump sign

Answer 19

positive: patient withdraws or “jumps” with pressure
indicates: trochanteric bursitis

Question 20

Thomas test

Answer 20

positive: inability to fully extend, or extended leg raises off table
indicates: hip flexor contraction