0 – No score 1 – Flicker or trace of contraction 2 – Active movement, with gravity eliminated 3 – Active movement against gravity 4 – Active movement against gravity and resistance 5 – Normal power

Karina

about 4 years ago

The MRC scale of muscle strength uses a score of 0 to 5 to grade the power of a particular muscle group in relation to the movement of a single joint