Table 1: Mean-values and standard deviations of grasping force during the observation period are compared for every single measurement. value indicated statistically significant differences in favor of the experimental group in the 9th week to the end of the observation period.

Time pointMagnetic fieldControl value
Mean-valueStandard deviationMean-valueStandard deviation

1 87.4434.7664.3323.160.0683
2118.3359.8672.2817.720.0180
3111.6927.62134.4739.330.1149
4128.3639.94189.1442.410.0015
5156.2238.11154.5840.520.9196
6140.8133.07168.3938.330.0724
7168.5336.5177.1439.440.5844
8166.8933.96141.8125.710.0536
9202.3362.13143.1120.780.0049
10233.3181.34141.0335.240.0016
11258.8988.93187.7828.860.0151
12238.0672.17175.1740.580.0153