| Remarks |
Subject is clinically affected; CMD confirmed by muscle biopsy showing mildly reduced alpha dystroglycan; microcephalic at birth; achieved all of the following without assistance and maintains: held head up at 2 years, turned in bed, sat at 2.5 years, stood at 3 years, walked at 5 years, and climbed stairs at 5.5 years; not able to run. |