Hip

Question 1

identify pathology picture 14

Answer 1

“Gull sign” indicating posterior wall acetabular fracture (ischium)

Question 2

Define coxa vara

Answer 2

Femur Neck shaft angle <130

Question 3

Define coxa valga

Answer 3

Femur neck shaft angle >130

Question 4

Label picture 17

Answer 4

A. Normal
B. Coxa vara
C coxa valga

Question 5

Name the tile classification

Answer 5

For pelvic ring fractures.
Type a : stable (posterior arch intact ) - avulsion of innominate bone, iliac wing #, min displaced ring #, straddle #, transverse sacrum or coccyx #
Type B: rotationally unstable, vertically stable (incomplete disruption post arch)- open book #, lateral compression injury
Type c : rotationally and vertically unstable (complete disruption) - vertical shear fracture

Question 6

What is a straddle #?

Answer 6

Fracture of both superior and inferior pubic rami.

40% chance of injury to genitourinary tract.

Question 7

What is Bryant’s triangle and how interpret?

Answer 7

Aka iliofemoral triangle
. ASIS
• tip greater trochanter
• junction of 2 perpendiculars from these points - right angled triangle

To measure supra-trochanteric shortening of head
Decreased distance between tip greater trochanter and junction of 2 perpendicular lines (compare to normal side)

Question 8

Most common type hip dislocation?

Answer 8

Posterior

Question 9

Attitude of Limb with posterior hip dislocation? (4)

Answer 9

• Shortened leg
• adducted
• internally rotated
. Knee flexed and hip flexed