Hip

Question 1

what bones form the innominate?

Answer 1

1. ischium
2. ilium
3. pubis

Question 2

what is the directionality of the acetabulum?

Answer 2

1. anterior
2. inferior
3. lateral

Question 3

What is normal hip inclination?

Answer 3

125-130*

Question 4

Features of Coxa Valga? (3)

Answer 4

1. increased angle of inclination
2. less bending force
   compression is more straight

Question 5

Features of Coxa Vara

Answer 5

1. decreased angle of inclination
2. increased bending force
3. increased moment arm for abduction

Question 6

Describe normal torsion of the femur.

Answer 6

The femoral head and neck are rotated ~10–15* ant and lateral to an angle through the femoral condyles.

Question 7

Describe Anteversion

Answer 7

whenever the angle of torsion is increased beyond normal.

Question 8

Describe retroversion.

Answer 8

When the angle of torsion of the head of the femur is less than (15*).
may still be rotated relative to zero.

Question 9

what compensation may accompany excessive anteversion ?

Answer 9

excessive “in toeing” or IR at the hip.

Question 10

The hip ligaments as a whole tend to limit what movement(s)?

Answer 10

extension and internal rotation

Question 11

Name the 3 ligaments of the hip.

Answer 11

1. illiofemoral
2. pubofemoral
3. ischiofemoral

Question 12

Illiofemoral- limits what?

Answer 12

full ext. ER

Question 13

pubofemoral - limits what?

Answer 13

Extension. Abduction

Question 14

Ischiofemoral- limits what?

Answer 14

Full extension, IR, Add, Flexion

Question 15

The hip joint is most stable in which position? Closed pack position

Answer 15

Extension, Internal Rotation, slight abduction

Question 16

Optimal articular contact (congruence) occurs in what position?

Answer 16

Abduction, External Rotation, Flexion

Question 17

The hip presents what osteo/arthrokinematics in open chain?

Answer 17

opposite.

convex on concave

Question 18

Right hip hiking has what on the left hip.

Answer 18

Left hip adduction in closed chain

Question 19

Posterior rotation at the left hip will cause what motion at the right hip?

Answer 19

external rotation in closed chain

Question 20

What is the body’s functional response to tight hip flexors?

Answer 20

anterior pelvic tilt

Question 21

Primary muscles of hip IR

Answer 21

Trick question. none

Question 22

Contributors to Hip IR.

Answer 22

Anterior fibers of glut max and med
Add longs and brevis
pectineus

Question 23

muscles of hip ER

Answer 23

glut max
piriformis
obturator internus
gemeullus
Quad femoris
sartorius

Question 24

Adductor longs can work as a hip extensor and flexor. Why?

Answer 24

Change in line of action when flexed or extended,