Table 1.

Statistical overview of kinetic, kinematic, and EMG parameters.

Parameter	Pre ± SD	Post ± SD	T	Degree of Freedom	p	d
SCM 1, preparation phase	116.8 ± 56.7	109.1 ± 46.4	−0.457	10	0.657	−0.15
TPD 2, preparation phase	155.2 ± 50.1	156.2 ± 48.1	−0.132	10	0.898	0.02
EST 3, preparation phase	89.9 ± 35.4	106.4 ± 48.0	−2.287	10	0.045	−0.40
ESL 4, preparation phase	95.0 ± 53.2	131.3 ± 78.5	−3.006	10	0.013	−0.54
RAB 5, preparation phase	41.0 ± 29.72	49.1 ± 32.7	−2.480	10	0.033	−0.26
SCM, jump phase	135.3 ± 48.7	120.5 ± 50.1	2.776	11	0.018	0.30
TPD, jump phase	100.3 ± 56.6	80.1 ± 46.8	1.505	11	0.161	0.39
RAB, jump phase	192.7 ± 93.6	199.9 ± 100.8	0.036	11	0.972	−0.07
TPD, landing phase	113.1 ± 80.9	88.1 ± 35.6	1.320	10	0.216	0.40
EST, landing phase	67.6 ± 52.7	99.8 ± 66.2	−2.937	10	0.015	−0.54
ESL, landing phase	65.6 ± 37.9	223.5 ± 344.7	−1.512	10	0.161	−0.64
Acceleration of the head (G)	2.7 ± 0.5	2.5 ± 0.5	2.087	28	0.047	0.40
Acceleration force impulse (Ns)	188.5 ± 20.7	184.0 ± 19.2	2.139	26	0.042	0.23
Jump height (cm)	27.9 ± 3.6	26.6 ± 3.7	2.105	26	0.045	0.36
Max. hip extension angle (°)	214.8 ± 7.5	210.4 ± 9.6	3.751	27	0.001	0.51
Max. CS 6 extension angle (°)	145.5 ± 10.5	148.5 ± 9.2	−1.934	27	0.064	−0.30
CS flexion angle at ball contact (°)	131.6 ± 8.6	131.4 ± 7.5	0.090	27	0.929	0.03
Head translation (cm)	0.12 ± 0.02	0.12 ± 0.02	0.313	27	0.757	0.00

¹ SCM = M. sternocleidomastoideus; ² TPD = M. trapezius pars descendens; ³ EST = M. erector spinae pars thoracalis; ⁴ ESL = M. erector spinae pars lumbalis; ⁵ RAB = M. rectus abdominis; ⁶ CS = cervical spine.