Inclusion Criteria:  confirmed genetic Duchenne muscular dystrophy (DMD) or Becker muscular dystrophy (BMD), limb-girdle dystrophy, spinal muscular atrophy (SMA), myopathy or neuropathy continued/uninterrupted rehabilitation process for 3 months patient's condition allowing full understanding of commands  Exclusion Criteria:  patients using a respirator painful complaints after injuries and fractures in the last 6 months significant weakening of muscle strength, preventing movements and activation of selected muscle groups, visible in the EMG examination cognitive impairment-lack of or poor cooperation between the patient and the therapist,