Fig. 2

Trends of physical fitness items and physical fitness index among Tajik adolescents with different waist circumference levels in the Pamir Plateau, Xinjiang, China. Note A indicates WC < 25th Percentile, B indicates 25th ≤ WC < 50th Percentile, C indicates 50th ≤ WC < 75th Percentile, and D indicates WC ≥ 75th Percentile. PFI, Physical Fitness Index