Phenotype details |
see paper; ..., 14m-walk; 3y-muscle cramps, fatiguability; persistently high serum creatine kinase; 11y-slowed conduction velocity; 25y-gradually weaker, particularly legs, ankle contractures, ankle contractures; 57y-muscle atrophy scapular girdle, anterior compartment arm, forearm, hand, pelvic girdle, anterior/posterior compartment legs, could abduct arms only to 45deg, sit, not stand, not walk, proximal/distal bilateral weakness all four limbs, no deep tendon reflexes; maternal uncle severe muscle weakness, 40y-lost ambulation, 65y-deceased cardio(myopathy), no PMP22 duplication |