Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Brody myopathy ?
    ### Response:
    What are the signs and symptoms of Brody myopathy? Symptoms of Brody disease typically begin in childhood. Children with this condition may have a hard time keeping up with their peers in physical activities. They have a difficult time relaxing muscles, first in their arms and legs, but then in their face and trunk.
    