Walk 4 meters at usual pace - trial 2:Time:Pt:^Patient:Qn:NIH Toolbox
walk 4 meters at usual pace - trial 2:time:pt:^patient:qn:nih toolbox
Walk 4 meters at usual pace - trial 2:Time:To identify measures at a point in time:^Patient:Quantitative:NIH Toolbox
walk 4 meters at usual pace - trial 2:time:to identify measures at a point in time:^patient:quantitative:nih toolbox