Each subject then performed a single press-up (to the subject’s selfdetermined end range) and held the position for 3 seconds. A sagittal plane image of the spine was ob- tained in the end-range position.
Each subject then performed a singlepress-up (to the subject’s selfdetermined end range) and held theposition for 3 seconds. A sagittal plane image of the spine was ob-tained in the end-range position.