Table 2.
AMP 331 and Vicon gait measures recorded during treadmill walking in healthy young adults
| Parameter | 2.4 km·h-1 | 3.2 km·h-1 | 4.2 km·h-1 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AMP | Vicon | Mean difference | AMP | Vicon | Mean difference | AMP | Vicon | Mean difference | |
| Distance (m) | 88.73 ±39.79 | 117.81 ± 0.68 | -29.09† (-51.16 to -7.07) | 154.27 ± 12.70 | 162.77 ± 1.23 | -8.50 (-15.66 to -1.58) | 188.93 ± 18.85 | 212.97 ± 1.51 | -24.03† (-34.26 to -13.81) |
| Step count (steps) | 87.00 ± 40.22 | 114.13 ± 9.77 | -27.13† (-46.57 to -7.70) | 139.3 ± 11.7 | 140.7 ± 11.4 | -1.33† (-2.08 to -0.59) | 159.33 ± 9.96 | 160.40 ± 11.13 | -1.07 (-2.68 to 0.55) |
| Speed (cm·s-1) | 65.60 ± 7.76 | 65.59 ± 0.1 | -0.01 (-4.32 to 4.30) | 85.93 ± 6.8 | 90.16 ± 0.2 | -4.07 (-7.85 to -0.02) | 104.87 ± 10.06 | 118.02 ± 0.14 | -13.13† (-18.70 to -7.56) |
| Step length (cm) | 52.00 ± 7.97 | 52.04 ± 4.31 | -0.05 (-2.97 to 2.88) | 55.93± 7.36 | 57.94 ± 4.79 | -2.00 (-4.46 to 0.46) | 59.60± 7.50 | 66.54 ± 4.58 | -6.93† (-10.19 to -3.68) |
| Cadence (steps·min-1) | 76.57 ± 6.15 | 76.09 ± 6.51 | 0.48 (-0.58 to 1.53) | 93.12 ± 7.44 | 93.78 ± 7.59 | -0.66† (-1.03 to -0.29) | 106.11 ± 6.74 | 106.93 ± 7.42 | -0.83 (-1.96 to 0.31) |
| Time (s) | 134.73 ± 59.27 | 179.59 ± 1.04 | -44.86† (-77.51 to -12.20) | 179.60 ± 1.92 | 180.58 ± 1.36 | -0.98 (-2.21 to 0.25) | 180.20 ± 1.66 | 180.48 ± 1.29 | -0.28 (-1.58 to 1.02) |
| Parameter | 5.8 km·h-1 | 4.2 km·h-1 at 5° incline | |||||||
| AMP | Vicon | Mean difference | AMP | Vicon | Mean difference | ||||
| Distance (m) | 251.93 ±22.65 | 289.23 ± 2.14 | -37.49† (-49.84 to -25.14) | 178.20 ± 46.53 | 212.66 ± 1.12 | -34.46† (-60.44 to -8.47) | |||
| Step count (steps) | 183.73 ± 9.32 | 183.73 ± 9.22 | 0.00 (-0.47 to 0.47) | 155.20 ± 10.41 | 155.40 ± 10.68 | -0.20 (-0.63 to 0.23) | |||
| Speed (cm·s-1) | 139.13 ±11.99 | 160.29 ± 0.11 | -20.87† (-27.51 to -14.23) | 105.47 ± 8.44 | 118.36 ± 0.14 | -12.67† (-17.32 to -8.01) | |||
| Step length (cm) | 68.87 ± 7.82 | 78.70 ± 4.00 | -9.73† (-13.19 to -6.28) | 61.53 ± 6.83 | 64.14 ± 4.33 | -2.47 (-5.34 to 0.40) | |||
| Cadence (steps·min-1) | 121.70 ± 6.22 | 122.49 ± 6.14 | -0.79 (-1.46 to -0.11) | 103.27 ± 7.23 | 103.60 ± 7.12 | -0.33 (-0.65 to -0.01) | |||
| Time (s) | 181.20 ± 1.74 | 180.56 ± 1.34 | 0.64 (-0.52 to 1.81) | 180.33 ± 1.59 | 180.22 ± 0.95 | 0.16 (-1.15 to 1.38) | |||
*Data are expressed as mean ± SD and mean difference (95% confidence intervals) AMP331 – Vicon
†
significant differences p < 0.05