TABLE 32-41 Muscle Strength Grading Scheme
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No evidence of contractility
*Grade*: 0 *%Normal*: 0 *Lovett Scale* 0 (zero)
Slight Contractility, no movement
*Grade*: 1 *%Normal*: 10 *Lovett Scale*: T (trace)
Full range of motion, gravity eliminated
*Grade*: 2 *%Normal*: 25 *Lovett Scale*: P (poor)
Full range of motion with gravity
*Grade*: 3 *%Normal*: 50 *Lovett Scale*: F (fair)
Full range of motion against gravity, some resistance
*Grade*: 4 *%Normal*: 75 *Lovett Scale*: G (good)
Full range of motion against gravity, full resistance
*Grade*: 5 *%Normal*: 100 *Lovett Scale*: N (normal)
