Abnormal trunk range of motion (horizontal), trunk range of motion (frontal), turning duration, cadence, double support time, stride length or gait cycle time (outside 1SD of the average for healthy people in this age range)
You may not be if
Currently taking dalfampridine (any within the last 2 weeks),
Cause(s) of imbalance other than MS,
Impaired renal function (creatinine clearance ≤50mL/min),
