TABLE 4.
Results of CoP-related kinetic data obtained from force plate
| Parameter | Bipedal stance | Dominant leg stance | Non-dominant leg stance | |||||
|---|---|---|---|---|---|---|---|---|
| L | R | L | R | L | R | |||
| D | ND | D | ND | D | D | ND | ND | |
| Fd | 1.37 (0.04) | 1.37 (0.06) | 1.35 (0.06) | 1.36 (0.06) | 1.52 (0.03) | 1.53 (0.04) | 1.51 (0.06) | 1.54 (0.04) |
| mdist (mm) | 3.17 (1.09) | 3.03 (1.29) | 3.79 (0.88) | 3.50 (1.49) | 8.05 (1.67) | 8.62 (2.33) | 7.26 (2.81) | 8.36 (1.94) |
| mdist_AP (mm) | 3.04 (1.06) | 2.94 (1.28) | 3.69 (0.83) | 3.40 (1.50) | 6.02 (1.60) | 6.33 (2.00) | 5.32 (2.25) | 6.19 (1.72) |
| mdist_ML (mm) | 0.76 (0.34) | 0.64 (0.28) | 0.76 (0.47) | 0.61 (0.37) | 4.18 (0.82) | 4.64 (1.14) | 3.81 (1.64) | 4.36 (1.10) |
| mfreq (Hz) | 0.26 (0.05) | 0.26 (0.10) | 0.23 (0.08) | 0.24 (0.08) | 0.61 (0.11) | 0.66 (0.17) | 0.58 (0.16) | 0.67 (0.14) |
| mvelo (mm/sec) | 4.98 (1.56) | 4.59 (1.47) | 5.31 (1.65) | 4.76 (1.38) | 30.94 (7.42) | 35.01 (11.18) | 26.99 (10.84) | 34.54 (8.54) |
| mvelo_AP (mm/sec) | 4.77 (1.52) | 4.40 (1.46) | 5.08 (1.53) | 4.57 (1.32) | 20.41 (5.15) | 21.58 (8.66) | 16.83 (7.12) | 20.64 (5.79) |
| mvelo_ML (mm/sec) | 1.26 (0.36) | 1.08 (0.44) | 1.26 (0.83) | 1.00 (0.68) | 19.09 (6.27) | 23.26 (5.95) | 17.48 (7.94) | 23.63 (5.81) |
| pathlength (mm) | 244.10 (76.29) | 224.75 (71.79) | 260.18 (80.62) | 233.20 (67.47) | 1515.96 (363.51) | 1605.90 (305.06) | 1322.45 (531.00) | 1692.28 (418.53) |
| pathlength_AP (mm) | 233.58 (74.65) | 215.58 (71.43) | 248.92 (74.84) | 223.96 (64.89) | 999.94 (252.56) | 978.38 (206.57) | 824.57 (348.76) | 1011.39 (283.52) |
| pathlength_ML (mm) | 61.94 (17.73) | 52.77 (21.64) | 61.88 (40.66) | 48.83 (33.36) | 935.24 (307.23) | 1079.92 (224.62) | 856.56 (389.17) | 1158.02 (284.61) |
| range (mm) | 11.25 (3.81) | 10.33 (4.92) | 12.88 (4.21) | 11.22 (4.23) | 28.38 (16.53) | 24.03 (6.46) | 19.79 (6.71) | 27.24 (10.16) |
| range_AP (mm) | 19.29 (6.56) | 17.87 (7.62) | 21.61 (6.33) | 19.64 (8.15) | 46.56 (20.44) | 41.46 (11.98) | 34.54 (12.56) | 44.99 (16.80) |
| range_ML (mm) | 4.85 (1.60) | 3.89 (1.38) | 4.54 (2.61) | 3.75 (2.22) | 29.99 (4.58) | 29.76 (6.47) | 27.16 (9.82) | 31.43 (7.60) |
| RMS_dist (mm) | 3.92 (1.32) | 3.70 (1.52) | 4.61 (1.01) | 4.21 (1.74) | 9.23 (1.84) | 9.75 (2.70) | 8.22 (3.06) | 9.56 (2.36) |
| SD (mm) | 2.30 (0.80) | 2.11 (0.85) | 2.61 (0.63) | 2.32 (0.95) | 4.46 (1.05) | 4.56 (1.39) | 3.81 (1.30) | 4.63 (1.41) |
| SD_AP (mm) | 3.80 (1.28) | 3.60 (1.52) | 4.49 (0.97) | 4.12 (1.74) | 7.55 (1.87) | 7.82 (2.49) | 6.57 (2.66) | 7.74 (2.28) |
| SD_ML (mm) | 0.97 (0.39) | 0.79 (0.33) | 0.94 (0.56) | 0.74 (0.45) | 5.23 (0.99) | 5.75 (1.39) | 4.79 (1.94) | 5.49 (1.34) |
| area_ce (mm2/s) | 157.0 (98.5) | 145.1 (128) | 205.6 (93.6) | 190.6 (152.9) | 1102.9 (463.2) | 1293.4 (703.7) | 959.5 (556.1) | 1219.3 (613.6) |
| area_sw (mm2) | 1.17 (0.67) | 0.88 (0.40) | 1.05 (0.31) | 1.09 (0.57) | 86.43 (42.44) | 109.13 (55.22) | 71.55 (38.67) | 104.13 (47.02) |
| SampEn | 0.31 (0.05) | 0.30 (0.08) | 0.33 (0.07) | 0.29 (0.06) | 0.49 (0.02) | 0.50 (0.03) | 0.46 (0.09) | 0.50 (0.03) |
| SampEn_AP | 0.28 (0.05) | 0.27 (0.07) | 0.28 (0.06) | 0.27 (0.05) | 0.45 (0.02) | 0.45 (0.03) | 0.42 (0.08) | 0.44 (0.02) |
| SampEn_ML | 0.08 (0.02) | 0.07 (0.03) | 0.09 (0.06) | 0.07 (0.05) | 0.45 (0.02) | 0.46 (0.03) | 0.40 (0.14) | 0.46 (0.02) |
Values are mean (SD) of each variables
AP, anterior-posterior direction; D, dominant leg; L, left-side dominant participants; ML, medial-lateral direction; ND, non-dominant leg; R, right-side dominant participants
fd, Fractal dimension - 95% Confidence Ellipse; mdist, Mean Distance; mdist_AP, Mean Distance in AP direction; mdist_ML, Mean Distance in ML direction; mfreq, Mean Frequency; mvelo, Mean Velocity; mvelo_AP, Mean Velocity in AP direction; mvelo_ML, Mean Velocity in ML direction; pathlength, Path Length; pathlength_AP, Path Length in AP direction; pathlength_ML, Path Length in ML direction; range, Range; range_AP, Range in AP direction; range_ML, Range in ML direction; RMS_dist, Root Mean Square distance; SD, Standard Deviation; SD_AP, Standard Deviation in AP direction; SD_ML, Standard Deviation in ML direction; area_sw, Sway Area 95% Confidence; area_ce, Ellipse Area; SampEn, Sample Enthropy; SampEn_AP, Sample Enthropy in AP direction; SampEn_ML, Sample Enthropy in ML direction
For further details on the analyzed parameters, please see Table 1.