MMT Grades

PT 603

5

completes full ROM against gravity and can tolerate max resistance without breaking the test position, and without any “give” or “yield”

4

completes full ROM against gravity and can tolerate strong resistance without breaking the test position, though there is some “give” or “yield” with max resistance

3+

completes full ROM against gravity and can hold mild resistance in test position

3

can complete full ROM against gravity but cannot take any resistance in the test position

3-

can complete full ROM in gravity-min position and takes min resistance in the test position; completes > 50% of ROM against gravity, but not full range

2+

can complete full ROM in gravity-min position and takes min resistance in test position; completes < 50% of ROM against gravity

2

can complete full ROM in gravity-min position

2-

can complete > 50% (but not full) ROM in gravity-min position

1

visual or palpable contraction of muscle

0

no visual or palpable muscle activity