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Flashcards in Normal ranges Deck (12):
1

Normal rang for sella turcica

A-P: 5- 16
Avg: 11mm
S-I 4 - 12
Avg: 8mm

2

ADI

1-3mm for adults
1-5 mm for children

3

C2 level

not greater than 7mm

4

C6 level

not greater than 22mm

5

Cobb/ Lippman

0- 20 mm : observe for progression
20- 40 mm : bracing
> 40 mm : surgical intervention

6

Cervical Lordosis

35- 45mm
avg 40 mm

7

Lumbar lordosis

50-60
avg: 55mm

8

Sacral inclination

30- 72 degrees
avg: 46 degrees

9

Lumbosacral Angle

26- 57 degrees
41 degrees

10

Lumbosacral disc angle

normal 10 - 15 degrees
< 10 degrees - disc herniation
>15 degreesfacet impaction

11

teardrop distance

6-11mm
9mm avg

12

femoral angle

normal 120- 130 degrees
130 = coxa valga