A 12-year-old male has complained of right anterior thigh pa…

A 12-year-old male has complained of right anterior thigh pain intermittently for the past 6 weeks.  His mom reports no history of trauma but notes “he is limping more and more”.  You note reluctance to walk at all, positioning of the right hip in an extreme external rotation and limited hip flexion on exam.  You suspect:

A 4-year-old child can gallop and hop on one foot, copy a sq…

A 4-year-old child can gallop and hop on one foot, copy a square, wash her face and hands, draw a four- to six-part person, has 100% intelligible speech, and parallel plays with other children. Based on the description of her skills, which domain of this child’s development is delayed?