 Timed Chair Rise TCR. Volunteers placed their folded arms across their chests and stood up from a sitting position as an initial assessment. If subjects were able to accomplish this task, they were then asked to complete a timed bout of five repetitions with the instructions to complete the activity as fast as they can. Subjects completed the activity from the same armless chair height of seat 43.18 cm. TCR was reported as the number of repetitions per minute calculated from the time required to complete five chair stands. 