DMD onset around which age?

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Prepare for the Muscular Dystrophy Test with comprehensive flashcards and multiple-choice questions. Access detailed hints and explanations for each question to enhance your study experience. Equip yourself for success on your upcoming exam!

Multiple Choice

DMD onset around which age?

Explanation:
Duchenne muscular dystrophy typically begins to show up in early childhood, around 3 to 4 years old. At this age, signs of proximal muscle weakness—especially in the legs—start to appear, making running, jumping, and climbing stairs harder. A characteristic early clue is the Gowers’ sign, where a child uses their hands to push up from the floor due to leg weakness. Earlier than this (around 1–2 years) development is usually normal, and later ages (7–8 or above) reflect disease that has already been present for some time. So the 3–4-year range best fits the usual onset window.

Duchenne muscular dystrophy typically begins to show up in early childhood, around 3 to 4 years old. At this age, signs of proximal muscle weakness—especially in the legs—start to appear, making running, jumping, and climbing stairs harder. A characteristic early clue is the Gowers’ sign, where a child uses their hands to push up from the floor due to leg weakness. Earlier than this (around 1–2 years) development is usually normal, and later ages (7–8 or above) reflect disease that has already been present for some time. So the 3–4-year range best fits the usual onset window.

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