Thirty-second chair stand test
In order to conduct the 30-s chair stand test, a standardized seat of 43 cm height was used which was attached to a force plate. Briefly, within 30 s the study subjects had to complete as many repetitions as possible of switching between sitting and a full standing position with arms crossed over their chest. Further, if the participant had finished more than 50% of their final attempt within the last second, it was regarded as a valid repetition [