<unk>  is a rare disorder that affects skeletal muscle function. BD was first characterized in 1969 by Dr. Irwin A.<unk>  at Duke University Medical Center. Individuals with BD have difficulty relaxing their muscles after exercise. This difficulty in relaxation leads to symptoms including cramps, stiffness, and discomfort in the muscles of the limbs and face. Symptoms are heightened by exercise and commonly progress in severity throughout adulthood.
Brody myopathy
Nemaline myopathy
Muscular dystrophy
Centronuclear myopathy
Bethlem myopathy
Hereditary inclusion body myopathy
Metabolic myopathy
Madras motor neuron disease