Table 1.

Muscle groups tested for each MMRC sum score

Muscle groups tested on both sides	MMRC 10‐sum score	MMRC new 10‐sum score	MMRC 14‐sum score	Rasch‐built MMRC 10‐sum score
Upper limbs
Shoulder abductors	+	+	+	+
Elbow flexors	+	+	+	+
Elbow extensors	+	+	+	+
Wrist extensors	+	+	+	+
Wrist flexors	+		+	+
Finger flexors		+	+
Finger extensors at metacarpophalangeal joints		+	+
Thumb abductor		+	+
Index finger abductor		+	+
Lower limbs
Hip flexors	+		+	+
Knee flexors	+		+	+
Knee extensors	+		+	+
Foot dorsal flexors	+	+	+	+
Foot plantar flexors	+	+	+	+
Total scorea	0‐100	0‐100	0‐140	0‐60

Abbreviations: +, muscle groups tested; MMRC, Modified Medical Research Council.

^aMMRC 10‐sum score and MMRC new 10‐sum score, MMRC 14‐sum score: each muscle group is scored from 0 (paralysis) to 5 (normal strength), Rasch‐built MMRC 10‐sum score: each muscle group is scored from 0 (paralysis) to 3 (normal strength)—a higher value indicates better muscle strength.