<prompt> Answer this question truthfullyWhat medical condition is suggested by the presence of progressive muscle weakness in boys, calf pseudohypertrophy, and a child using their arms to stand up from a squat?  <response>: <reason> The presence of progressive muscle weakness in boys, calf pseudohypertrophy, and a child using their arms to stand up from a squat is suggestive of Muscular Dystrophy DuchenneBecker, which is an X-linked genetic disorder. 