| Phenotype details |
see paper; ..., 16m-walk; 7y-frequent falls, difficulty running/standing up from floor, prominent calf hypertrophy, pelvic girdle weakness, Gowers' sign, elevated serum creatine kinase levels (14,050 u/L); 21y-osteoporosis; 24y-fractures femur/ankle, leading to loss of independent ambulation, significant weight gain |