Accelerometer-based prediction of ground reaction force in head-out water exercise with different exercise intensity countermovement jump

Table 1 Comparison of different acceleration position, GRF_VL_BW per jump and jumping numbers in different exercise intensity

	C7	L5	TA	GRF_VL_BW	JN
50% HRR	1.51 ± 0.099	1.47 ± 0.0920^#	1.55 ± 0.158^§	0.64 ± 0.088	34.0 ± 2.88
65% HRR	1.53 ± 0.105	1.48 ± 0.095^#	1.56 ± 0.140	0.67 ± 0.075	45.3 ± 3.74*
80% HRR	1.61 ± 0.125^*	1.55 ± 0.119^*#	1.65 ± 0.162^§	0.73 ± 0.099^*	52.7 ± 3.23*

C7: the seventh cervical vertebra; L5: the fifth lumbar vertebra; TA: 3 cm above the medial malleolus of tibia; GRF_VL_BW: ground reaction force per body weight on land. JN: jumping numbers
^*Significantly different from 50% HRR (p < .05)
^#Significantly different from C7 under same exercise intensity (p < .05)
^§Significantly different from L5 under same exercise intensity (p < .05)

ISSN: 2052-1847