Table 3. Correlation coefficients between analyzed kinematic variables in the turn segment.

	UW Time	UW Distance	KF	Kick count	Deckick	Glide time	Initial-vxhead	First-vxhead	Last-vxhead	Initial-vyhead	First-vyhead	Last-vyhead	Initial-BA	First-BA	Last-BA
UW-vxmean	0.18	0.36	0.57	0.38	-0.38	-0.43	0.35	0.55	0.68#	-0.59	-0.27	0.68#	-0.53	-0.37	0.07
UW Time		0.98†	0.11	0.89†	-0.04	-0.13	0.44	0.41	-0.39	-0.56	-0.59	0.29	-0.76#	-0.60	0.42
UW Distance			0.17	0.92†	-0.14	-0.18	0.49	0.50	-0.24	-0.65	-0.61	0.40	-0.82†	-0.63	0.43
KF				0.49	-0.42	-0.82†	0.23	0.79#	0.50	-0.23	-0.69#	0.21	-0.12	-0.62	-0.20
Kick count					-0.40	-0.52	0.49	0.72#	-0.11	-0.58	-0.82†	0.35	-0.71#	-0.78#	0.34
Deckick						0.56	-0.29	-0.64	-0.16	0.08	0.53	-0.29	0.24	0.56	-0.07
Glide time							-0.32	-0.80#	-0.46	0.14	0.70#	-0.16	0.13	0.59	-0.04
Initial-vxhead								0.59	0.04	-0.57	-0.36	0.43	-0.45	-0.32	0.39
First-vxhead									0.36	-0.39	-0.77#	0.42	-0.47	-0.80#	0.03
Last-vxhead										-0.12	-0.05	0.38	-0.10	-0.18	-0.27
Initial-vyhead											0.33	-0.76#	0.66	0.35	-0.62
First-vyhead												-0.35	0.50	0.85†	-0.14
Last-vyhead													-0.61	-0.40	0.42
Initial-BA														0.67#	-0.23
First-BA															0.12

UW, underwater; vx_mean, forward velocity; KF, Kick frequency, Dec_kick, the mean deceleration from the first to the last kick; Initial-vx_head, the forward head velocity at the feet entry; First-vx_head, the mean forward velocity during the first kick; Last-vx_head, the mean forward velocity during the last kick; Initial-vy_head, the upward head velocity at the feet entry; First-vy_head, the mean upward velocity during the first kick; Last-vy_head, the mean upward velocity during the last kick; Initial-BA, the angle of the upper body at the feet entry; First-BA, the mean angle of the upper body during the first kick; Last-BA, the mean angle of the upper body during the last kick;#, p < 0.01;† , p < 0.001