Table 1. Mean age, years of playing badminton, and physical of the groups.

Group	n	Age (years)	Years of playing badminton (years)	Height (cm)	Weight (kg)
High-level	8	19.3±0.7	11.8±1.4	173.0±5.7	65.0±5.2
Low-level	8	20.3±0.7	5.3±1.3	172.4±4.4	63.6±10.4