Femoral Neck Classification

Question 1

Tree locations of femoral neck fractures

Answer 1

Sub capital (inferior to articular surface)
Transcervical
Basicervical (base of the neck, extra capsular)

Question 2

Normal neck shaft angle

Answer 2

130 +/- 7 degress

Question 3

Normal Femoral anteversion

Answer 3

10 +/- 7 degrees

Question 4

What is the cal car femorale

Answer 4

Vertically oriented plate from the posteromedial portion of the femoral shaft radiating superiorly toward the greater trochanter

Question 5

Where does the femoral capsule attach

Answer 5

Anteriorly to the intertrochanteric line and posteriorly 1-1.5 cm proximal to intertrochanteric line

Question 6

Three ligaments that attach to femoral neck

Answer 6

1. Iliofemoral (Y ligament of bigalow, anterior)
2. Pubofemoral - anterior
3. Ischiofemoral - posterior

Question 7

Pauwel classification

Answer 7

Based on angle of fracture from horizontal plane

Type 1: 70 degrees

Question 8

Garden classification

Answer 8

Based on degree of vagus displacement
Type 1: Incomplete/valgus impacted
Type II: Complete and non-displaced on AP and lateral views
Type 3: Complete with partial displacement
Type 4: Completely displaced