A mother and father present with concerns regarding how their three-year-old son has been moving around the home. They state that when he is playing and chasing his seven-year-old sister, he often tires easily, walking on his tiptoes and moving in a waddling fashion, almost like a duck. They noticed it has been going on for the last 4-5 months and while they assumed he would grow out of it, it has persisted. You explain that you would like to run preliminary testing, as his symptoms and age align with potential muscular dystrophy. You describe his gait pattern to the parents and label it as:

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The Answer is B

A Mother and Father Present with Concerns Regarding How Their