The investigators want to investigate the reliability (variability) of a new device, that should be able to measure lower leg compartment pressure non-invasively. Therefore the tool is used under different circumstances. The introduced differences in circumstances are: * Measurements at several time points * Measurements using different anatomical landmarks * Measurements by different researchers * Measurements in rest and after exercise This study's results are important to create a reliable measurement tools for patients with lower leg symptoms. In this way the diagnosis can be improved and as well the treatments given to the patients. It is expected that the variability of the device will be low compared to current techniques.
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Inter-class correlation
Timeframe: 1 session of approximately 90 minutes