Clinical characteristics and X-chromosomal genetic findings in DMD patients.

Examination of limb coordination, balance and gait and the use of ataxia scales to determine the severity of cerebellar signs was not meaningful in case of muscle weakness. Muscle strength was examined according to the graduation of the Medical Research Council (MRC). Abbr.: + = mild, ++ = moderate; A. = Ankle; Dis. = Disorder; n.a. = not applicable in case of muscle weakness. See Methodsfor further details. Clinical characteristics and X-chromosomal genetic findings in DMD patients.