Participants
The study protocol was approved by the local Ethics committee and conformed to the Declaration of Helsinki. All participants were able to understand and follow the instructions and gave written informed consent before data collection.
Twenty subjects without neurological deficits (mean age 35 years, SD 11 years; 15 women and 5 men) participated in the study. Additionally 8 subjects with defined neurological deficits in the upper extremity (mean age 49.6 years, SD 12.4 years; 4 women and 4 men) participated in the study. Characteristics of the subjects with neurological deficits in the upper extremity are shown in Table 1.
Study protocols
In the control subjects three different tests were performed: