Manual Muscle Test grading definitions

Question 1

Grade 0

Answer 1

No ROM and no palpable or observable flicker of muscle contraction

Question 2

Grade 1

Answer 2

No ROM but palpable or observable flicker of muscle contraction

Question 3

Grade 2-

Answer 3

Greater than 1/2 available ROM with gravity minimised

Question 4

Grade 2

Answer 4

Full available ROM with gravity minimised

Question 5

Grade 2+

Answer 5

Less than 1/2 available ROM against gravity OR completes ROM with gravity minimised against slight resisance

Question 6

Grade 3-

Answer 6

Greater than 1/2 available ROM against gravity

Question 7

Grade 3

Answer 7

Full available ROM against gravity

Question 8

Grade 3+

Answer 8

Full available ROM against gravity against minimal resistance

Question 9

Grade 4-

Answer 9

Full available ROM against gravity against less than moderate resistance

Question 10

Grade 4

Answer 10

Full available ROM against gravity against moderate resistance

Question 11

Grade 4+

Answer 11

Full available ROM against gravity and near max resistance

Question 12

Grade 5

Answer 12

Full available ROM against gravity against max resistance