| Phenotype details |
Frequent fallings; Difficulty rising, climbing stairs & running; Positive Hx for Fx and dislocation of upper limb; Eye weakness; Ptosis, unilateral; Restrictive respiratory disease; Hyperlordosis; Weakness of forearm and arm muscles; Hypertrophy of calf, mild; Muscle biopsy: muscular atrophy, neurogenic probably progressive spinal mild form |