Phenotype details |
congenital; MRC muscle strength neck neck flexors 4-, neck extensors 4+; MRC muscle strength upper limbs deltoids 3+, biceps 4, supinator 4, infraspinatus 4–, triceps 4–, wrist flexors 4+, wrist extensors 4+, digit flexors 4+, digit extensors 4+, opponens pollicis 4+, flexor digitorum profundus and abductor digit minimi 4+; MRC muscle strength lower limbs iliopsoas and thigh abductors 1; thigh adductors 2, gluteus maximus 3, quadriceps 4, hamstrings 4+, tibialis anterior 4, gastrocnemius 4+, extensor hallucis longus 4 and tibialis posterior and peronei 5; no facial weakness; calf pseudohypertrophy; no scoliosis; no contractures; peripheral oxygen saturation 0.86; no sleep apnoea; no cognitive impairment; psychiatric symptoms; no cardiac involvement; EMG myopathic; normal CK level |