Deltoid |
C5 |
0 |
Absence of any muscle activation |
|
|
1 |
Able to abduct shoulder against gravity |
|
|
2 |
Able to abduct shoulder with 5-10 lb of resistance
(dumbbell, etc) |
|
|
3 |
Difficult to assess; can consider full strength if
able to abduct shoulder with weight >10 lbs
|
Bicep |
C5, C6 |
0 |
Absence of any muscle activation |
|
|
1 |
Able to flex elbow against gravity |
|
|
2 |
Able to flex elbow with 5-10 lb of resistance (dumbbell,
etc) |
|
|
3 |
Difficult to assess; can consider full strength if
able to flex elbow with weight >10 lbs
|
Triceps |
C6, C7 |
0 |
Absence of any muscle activation |
|
|
1 |
Able to extend elbow against gravity |
|
|
2 |
Able to extend elbow with 5-10 lb of resistance (dumbbell,
etc) |
|
|
3 |
Difficult to assess; can consider full strength if
able to extend elbow with weight >10 lbs
|
Wrist extensors |
C6 |
0 |
Absence of any muscle activation |
|
|
1 |
Able to extend wrist against gravity |
|
|
2 |
Able to extend wrist with 2-5 lb of resistance (dumbbell,
etc) |
|
|
3 |
Difficult to assess; can consider full strength if
able to extend wrist with weight >5 lbs
|
Finger flexors |
C8 |
0 |
Absence of any muscle activation |
|
|
1 |
Able to make a full fist in pronation |
|
|
2 |
Able to make a full fist in pronation with some resistance
from contralateral hand |
|
|
3 |
Difficult to assess; can consider full strength if
make a full fist with near full resistance from
contralateral hand
|
Finger abduction |
C8, T1 |
0 |
Absence of any muscle activation |
|
|
1 |
Able to abduct fingers with palm perpendicular to flat
surface |
|
|
2 |
Able to abduct fingers fully with some resistance from
contralateral hand |
|
|
3 |
Difficult to assess; can consider full strength if
able to abduct fingers fully with near full resistance
from contralateral hand
|