COM OS II

Question 1

hip flexors

Answer 1

iliacus
psoas major, minor 
sartorius 
gracilis 
adductor longus/brevis
pectineus 
rectus femoris

Question 2

medial hip extensors

Answer 2

semitendinosus
semimembranosus
gracilic
sartorius

Question 3

lateral hip extensors

Answer 3

biceps femoris
glut max
adductor magnus

Question 4

what muscles insert on tuberosity of the ischium?

Answer 4

biceps femoris
semimembranosus
semitendinosus

Question 5

glut max

Answer 5

hip extensor

Question 6

adductor longus

Answer 6

gracilis and pectineus

Question 7

medial adductors

Answer 7

adductor longus, brevis, adductor magnus
pectinius
gracilis

Question 8

adductor groups attach to

Answer 8

all attach to the pubic ramus and the mediar and/or posterior femur

function of all is ADduction

Question 9

ABductors

Answer 9

gluteus medius
gluteus minimus
tensor fascia lata

Question 10

glut medius

Answer 10

attaches to ilium and lesser trochanter

Question 11

glut min

Answer 11

attaches to ilium and lesser trochanter

Question 12

external rotators

Answer 12

piriformis 
obturator internus 
obturator externus 
gemellus superior 
gemellus inferior 
quadratus femoris

Question 13

muscle that causes sciatica in 10-12% of the population

Answer 13

periformis, sciatic nerve pierces periformis

Question 14

periformis as abductor and rotator

Answer 14

abduct when hips is flexed
but
external rotators when hip is extended

the ONLY rotator to connect directly to sacrum

Question 15

Anterior Innominate rotation: position of the ASIS and the PSIS

Answer 15

ASIS rotates inferiorly and PSIS rotates superiorly

Question 16

Superior Innominate shear

Answer 16

ASIS goes superior, PSIS goes superior

Question 17

“inflare”

Answer 17

ASIS is pushed more medially

Question 18

“outflare”

Answer 18

ASIS is pushed more laterally

Question 19

Pubic shear

Answer 19

r or l pubis goes up, the other goes down.

Question 20

the “major hip flexors”

Answer 20

iliopsoas

Question 21

the “lesser” hip flexors

Answer 21

sartorius and rectus femoris

Question 22

Innominate testing: static anterior landmark assessment

Answer 22

Anteriorly: greater trochanters, pubic symphysis, iliac crest, ASIS

Posteriorly: PSIS

Internal/external leg roll
medial malleolus

Question 23

Innominate testing: dynamic testing

Answer 23

AP compression
lateral to medial compression
flexion testing (standing and seated)

Question 24

a patient with a positive standing flexion sign and a positive seated flexion sign indicates a problem with the

Answer 24

sacrum

Question 25

a patient with a positive standing flexion sign and a negative seated flexion sign have a problem in the

Answer 25

innominate

Question 26

a patient with a negative standing flexion sign and a positive seated flexion sign indicate a problem in the

Answer 26

sacrum

Question 27

side with the + standing flexion test indicates the rest of the exam is performed on the

Answer 27

the same side

Question 28

if a standing flexion test indicates the PSIS on the R side is dysfunctional, what other land marks are assessed?

Answer 28

the sacral sulcus and the ASIS

Question 29

standing flexion test

Answer 29

patient stand, doc behind patient with eyes at level of PSIS

contacts the inferior aspect of the PSIS

on the dysfunctional side the SI locks prematurely, and the PSIS will elevate first and usually the fatherest. this is the side of the “positive test”

the ilium is dysfunctional in relation to the sacrum

Question 30

+ standing flexion test

ASIS superior
PSIS inferior
sulcus deep
leg length shorter

Answer 30

posterior innominate rotation

Question 31

+ standing flexion test

ASIS superior
sulcus equal
leg length shorter

Answer 31

superior innominate shear

Question 32

+ standing flexion test

ASIS is inferior
PSIS is inferior
sulcus equal
leg length longer

Answer 32

inferior innominate shear

Question 33

+ standing flexion test

ASIS inferior
PSIS superior
sulcus shallow
leg length longer

Answer 33

Anterior innominate rotation