Buck-Gramcko et al developed a scale for evaluating outcome following therapy of an injury to the finger pulley mechanism. This may also be a useful measure for other finger conditions such as Dupuytren's disease.
Parameters:
(1) distance from fingertip to palmar crease (or angle of complete flexion)
(2) extension deficit (normal extension angle minus observed extension)
(3) range of motion in degrees
Parameter
Finding
Points
distance from fingertip to palmar crease
> 6 cm
0
4 - 6 cm
2
2.5 to 3.99 cm
4
0 to 2.49 cm
6
extension deficit
> 70 degrees
0
51 - 70 degrees
1
31 to 50 degrees
2
<= 30 degrees
3
range of motion
0 to 119 degrees
0
120 to 139 degrees
2
140 to 159 degrees
4
>= 160 degrees
6
where:
• The angle of complete flexion is an alternative to distance from the fingertip to palmar crease. This is scored: < 150 degrees = 0 points; 150 to 179 degrees = 2 points; 180 to 199 degrees = 4 points; >= 200 degrees = 6 points.
total score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 15
• The higher the score the better the functional outcome.
Total Score
Outcome
14 or 15
excellent
11, 12 or 13
good
7, 8, 9 or 10
fair
<= 6
poor
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