The CRT as described by Csuka and McMarty [32] was used for the assessment of lower limbs muscle strength. More precisely, participants sat on a chair with their arms crossed in front of their chest. On the command ready, set, go, participants stood up and sat down as quickly as possible for five times. Three test trials were performed which were separated by a 1-minute rest interval and the best (least time) out of three trials was used for further analysis. Time was recorded with a stopwatch to the nearest 0.1 s. Age-specific norm values have been reported for females (12.7–13.0 s) and males (8.4–11.6 s) [33]. High test-retest reliability has previously been shown for the CRT (ICC = 0.89) [34].

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