GRADES OF MUSCLE STRENGTH

Grades of Muscle Strength
Grade	Description
5 or N	Full range of motion aginst 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
N = normal; G = good; F = fair; P = poor; T = trace.