Mechanical Ventilation Weaning in Inclusion Body Myositis: Feasibility of Isokinetic Inspiratory Muscle Training as an Adjunct Therapy

Table 1

Compromise of muscular force in the lower limbs by Medical Research Council (MRC).

Muscles	Before treatment	After treatment
	Left/right	Left/right
Biceps brachii	3/3	5/5
Triceps brachii	1/1	4/4
Extensor carpi radialis	3/3	5/5
Iliopsoas	1/1	4/4
Quadriceps femoris	1/1	4/4
Tibialis anterior	2/2	4/4
Total	22	52

MRC scoring system. 0: no movement; 1: palpable contraction, no visible movement; 2: movement but only with gravity eliminated; 3: movement against gravity; 4: movement against resistance but weaker than normal; 5: normal power. [6].