Table 3.

Statistical mean differences in acceleration between pre- and post-test in G.

Parameter	N	Pre ± SD	CI	N	Post ± SD	CI	T	df	p	d
Jump headers	67	5.6 ± 1.1	5.39–5.88	67	5.3 ± 1.1	5.05–5.59	2.624	66	0.011	−0.4
Run headers	52	7.4 ± 0.9	7.11–7.58	52	7.2 ± 1.0	6.94–7.48	1.874	51	0.067	−0.2