Why can’t this athlete get rid of his low back pain? “Running- I have no problem with” “Lateral-side to side-movements really aggravate me”. ” Why?” How do we make a differential diagnosis here? And with significant unilateral calf weakness to add into the mix. Four ankle sprains and a 4th metatarsal fracture later, plus a “stress reaction” at L5, why wouldn’t his low back be the source of his problem? Join us as we clinically reason through multiple facets of his case.