5 or N

Full range of motion against gravity and full resistance for the patient’s size, age, and sex

N−

Slight weakness

G+

Moderate weakness

4 or G

Movement against gravity and moderate resistance at least 10 times without fatigue

F+

Movement against gravity several times or mild resistance one time

3 or F

Full range against gravity

F−

Movement against gravity and complete range of motion one time

P+

Full range of motion with gravity eliminated but some resistance applied

2 or P

Full range of motion with gravity eliminated

P−

Incomplete range of motion with gravity eliminated

1 or T

Evidence of contraction (visible or palpable) but no joint movement

0

No palpable or visible contraction and no joint movement