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Correlation of the components of PF with sleep duration. SLJ: standing long jump; SR: sit-and-reach; 10-mSRT: 10 m shuttle run test; BBW: balance beam walking; DTH: double-leg timed hop; TT: tennis throwing. Normal: normal sleep duration; Short: insufficient sleep duration; Long: excessive sleep duration. The numbers in the table indicate significance coefficient, and the significance level is p < 0.05.
