| Phenotype details |
Waddling gait (HP:0002515), Difficulty running (HP:0009046), Difficulty climbing stairs (HP:0003551), Elevated circulating creatine kinase concentration (HP:0003236) (CPK: 346/322 UI/L), Elbow contracture (HP:0034391), Achilles tendon contracture (HP:0001771), Spinal rigidity (HP:0003306) |