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. 2013 Mar 2;10:27. doi: 10.1186/1743-0003-10-27

Table 1.

Comparison of reach kinematics between environments

  Direction N Peak velocity (cm/sec)
 
 
Peak acceleration (cm/sec2)
 
 
Movement Time (sec)
 
 
VE RWE p-value VE RWE p-value VE RWE p-value
S2
+45°
60
191.75 ± 45.89
149.61 ± 41.01
<0.001*
3935.09 ± 905.79
2528.42 ± 640.39
<0.001*
0.198 ± 0.055
0.235 ± 0.047
<0.001*
 
−45°
59
131.08 ± 34.10
105.95 ± 35.67
<0.001*
2424.23 ± 834.51
1475.10 ± 408.14
<0.001*
0.315 ± 0.078
0.355 ± 0.058
<0.001*
S3
+45°
60
150.37 ± 34.15
184.65 ± 42.63
<0.001*
2181.49 ± 521.17
3733.70 ± 635.66
<0.001*
0.276 ± 0.080
0.230 ± 0.074
<0.001*
 
−45°
60
110.46 ± 27.36
140.06 ± 41.57
<0.001*
1762.22 ± 421.91
2307.15 ± 538.38
<0.001*
0.378 ± 0.053
0.276 ± 0.042
<0.001*
S4
+45°
60
137.46 ± 32.38
138.96 ± 34.80
0.602
1950.38 ± 401.73
2260.18 ± 534.05
<0.001*
0.275 ± 0.054
0.245 ± 0.067
<0.001*
 
−45°
60
100.54 ± 26.59
89.44 ± 26.83
<0.001*
1136.05 ± 213.28
1188.34 ± 249.58
0.115
0.386 ± 0.052
0.364 ± 0.053
<0.001*
S5
+45°
60
176.24 ± 50.23
176.46 ± 50.83
0.961
2460.29 ± 704.88
2591.62 ± 745.17
0.169
0.267 ± 0.075
0.218 ± 0.044
<0.001*
 
−45°
58
109.49 ± 29.27
123.33 ± 41.66
<0.001*
1306.79 ± 363.51
1439.23 ± 481.84
0.031*
0.366 ± 0.066
0.330 ± 0.047
<0.001*
S6
+45°
60
193.62 ± 54.88
199.54 ± 56.15
0.125
3278.70 ± 798.53
3426.06 ± 798.53
0.161
0.199 ± 0.036
0.209 ± 0.056
0.143
 
−45°
60
123.72 ± 35.52
138.26 ± 40.74
<0.001*
1846.80 ± 543.41
1933.76 ± 476.45
0.145
0.291 ± 0.057
0.284 ± 0.057
0.385
Group
+45°
300
169.89 ± 49.49
169.84 ± 50.64
0.984
2761.19 ± 1009.45
2908.00 ± 862.85
0.033*
0.235 ± 0.072
0.227 ± 0.060
0.089
  −45° 297 115.04 ± 32.47 119.53 ± 42.21 0.009* 1695.38 ± 685.39 1670.96 ± 595.12 0.570 0.339 ± 0.072 0.323 ± 0.063 <0.001*

N = Number of reach trials; VE = Virtual Environment; RWE = Real-World Environment.

* Significant differences.