Table 1. Participant demographic characteristics

Variables	Mean±standard deviation
Subject number	24
Age (years)	17.0±0.8
Height (cm)	175.4±4.0
Weight (kg)	68.2±5.9
Exercise duration (min per a day)	135.2±37.9
Right shoot speed (km/h)	92.3±8.0
Left shoot speed (km/h)	85.5±10.8