Table 1.

Results obtained from strength and speed performance tests by track and field athletes. Data are expressed as mean ± st. dev.

		Females (n = 31)	Males (n = 30)	p-value	d Cohen
HORIZONTAL JUMPS	Standing long jump (m)	2.1 ± 0.3	2.6 ± 0.3	<0.0001	−1.67
	Triple jump (m)	6.0 ± 1.0	7.4 ± 0.7	<0.0001	−1.61
SPRINT	5 m (sec)	1.3 ± 0.1	1.1 ± 0.1	<0.0001	−2.00
	10 m (sec)	2.1 ± 0.2	1.9 ± 0.1	<0.0001	−1.14
	10 m launched (sec)	1.5 ± 0.1	1.3 ± 0.1	<0.0001	−2.00
SQUAT JUMP	Height (cm)	26.5 ± 6.0	36.3 ± 7.2	<0.0001	−1.51
	Take-off force (kN)	0.7 ± 0.2	1.1 ± 0.3	<0.0001	−1.48
	Landing force (kN)	1.1 ± 0.4	1.6 ± 0.5	<0.0001	−1.08
	Maximum concentric power (kW)	2.5 ± 0.8	4.1 ± 1.2	<0.0001	−1.53
	Average speed concentric phase (m/s)	1.0 ± 0.4	1.0 ± 0.5	0.7095	0.00
	Peak speed (m/s)	2.4 ± 0.4	2.9 ± 0.4	<0.0001	−1.25
	Take-off speed (m/s)	2.3 ± 0.4	2.8 ± 0.4	<0.0001	−1.25
COUNTER MOVEMENT JUMP	Height (cm)	28.8 ± 7.5	39.9 ± 8.2	<0.0001	−1.41
	Take-off force (kN)	0.6 ± 0.2	0.9 ± 0.2	<0.0001	−1.50
	Landing force (kN)	1.0 ± 0.4	1.6 ± 0.5	<0.0001	−1.29
	Maximum concentric power (kW)	2.5 ± 0.7	4.1 ± 1.2	<0.0001	−1.58
	Average speed concentric phase (m/s)	1.4 ± 0.2	1.7 ± 0.3	0.0003	−1.16
	Peak speed (m/s)	2.5 ± 0.4	3.0 ± 0.3	<0.0001	−1.37
	Take-off speed (m/s)	2.4 ± 0.4	2.9 ± 0.3	<0.0001	−1.41
STIFFNESS TEST	Height (cm)	24.5 ± 6.5	32.8 ± 6.6	<0.0001	−1.26
	Take-off force (kN)	2.2 ± 0.4	3.0 ± 0.7	<0.0001	−1.33
	Landing force (kN)	2.3 ± 0.5	3.2 ± 0.8	<0.0001	−1.26
	Maximum concentric power (kW)	3.6 ± 1.0	5.8 ± 1.5	<0.0001	−1.70
	Average speed concentric phase (m/s)	1.6 ± 0.2	1.9 ± 0.2	<0.0001	−1.50
	Peak speed (m/s)	2.4 ± 0.3	2.9 ± 0.3	<0.0001	−1.67
	Take-off speed (m/s)	2.4 ± 0.3	2.9 ± 0.3	<0.0001	−1.67