
Kai is a 65-year-old male who presents with deep groin pain, morning stiffness lasting 30 minutes, and a positive scour test. Which gait deviation is MOST likely to be observed?
A) Uneven cadence
B) Decreased step length on the unaffected limb
C) Lateral trunk lean toward the unaffected limb
D) Marked hip internal rotation on the affected side
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