. 2016 Aug 17;8(5):471–477. doi: 10.1016/j.jshs.2016.08.005

Table 2.

Participants' weekly training mileage, 10-km time trial timing, physiological and biomechanical variables during graded exercise text and muscle power (mean ± SD).

Variables	Intermittent sprint training				Plyometric training
	Pre	Post	p	d	Pre	Post	p	d
Weekly training mileage (km)	32.7 ± 15.8	28.8 ± 16.1	0.03	0.3	26.1 ± 8.6	20.4 ± 11.3	0.004	0.6
10-km time trial timing (min)	53.95 ± 8.60	51.95 ± 7.93	0.03	1.4	50.47 ± 6.75	48.35 ± 7.10	0.03	1.3
Physiological variable
VO_2max (mL/kg/min)	53.9 ± 7.4	54.6 ± 6.7	0.47	<0.1	54.4 ± 5.0	53.7 ± 6.7	0.56	0.1
HR_max (bpm)	185 ± 6	188 ± 11	0.86	0.2	183 ± 11	185 ± 12	0.69	0.1
Speed at LT₂ (km/h)	12.2 ± 1.5	12.3 ± 1.5	0.31	<0.1	12.4 ± 1.0	12.4 ± 1.0	0.92	<0.1
RE (mL/kg/min)
10 km/h	38.5 ± 3.3	37.3 ± 3.1	0.33	0.2	37.9 ± 2.1	36.8 ± 1.7	0.42	0.3
12 km/h	45.1 ± 3.4	44.7 ± 4.1	0.86	0.2	45.3 ± 1.8	44.6 ± 2.3	0.41	0.3
HR (bpm)
10 km/h	152 ± 15	152 ± 16	0.81	<0.1	152 ± 18	151 ± 18	0.51	<0.1
12 km/h	171 ± 14	169 ± 14	0.46	0.1	161 ± 15	163 ± 13	0.35	0.1
BLa (mmol)
10 km/h	2.6 ± 1.2	2.5 ± 1.2	0.50	<0.1	2.5 ± 1.4	2.2 ± 1.0	0.09	0.3
12 km/h	5.2 ± 2.8	4.5 ± 2.3	0.32	0.2	4.5 ± 2.4	3.5 ± 1.3	0.10	0.5
Biomechanical variable
FT (s)
10 km/h	0.043 ± 0.027	0.043 ± 0.028	0.97	<0.1	0.042 ± 0.014	0.044 ± 0.013	0.18	0.2
12 km/h	0.065 ± 0.030	0.069 ± 0.024	0.18	0.2	0.062 ± 0.001	0.063 ± 0.006	0.62	<0.1
CT (s)
10 km/h	0.293 ± 0.021	0.294 ± 0.018	0.59	<0.1	0.300 ± 0.011	0.300 ± 0.018	0.52	<0.1
12 km/h	0.268 ± 0.018	0.267 ± 0.029	0.88	<0.1	0.263 ± 0.009	0.260 ± 0.012	0.41	0.1
K_leg (kN/m)
10 km/h	6.43 ± 1.71	6.15 ± 1.19	0.21	0.2	5.21 ± 0.50	5.18 ± 0.47	0.88	0.1
12 km/h	6.87 ± 1.64	6.79 ± 1.28	0.41	0.2	6.12 ± 0.45	6.12 ± 0.20	0.98	<0.1
K_vert (kN/m)
10 km/h	12.70 ± 3.21	11.93 ± 2.32	0.12	0.2	10.01 ± 1.03	10.09 ± 1.18	0.85	<0.1
12 km/h	16.47 ± 4.10	15.81 ± 2.20	0.41	0.2	14.14 ± 1.20	14.18 ± 1.21	0.96	<0.1
Muscle power
Peak power (W)	3274 ± 133	3368 ± 136	0.002	0.7	3100 ± 269	3287 ± 247	0.01	0.7
Relative peak power (W/kg)	48.1 ± 6.7	49.5 ± 6.9	0.007	0.2	48.9 ± 5.8	51.7 ± 5.4	0.01	0.5
Jump height (m)	0.44 ± 0.05	0.45 ± 0.05	0.61	0.3	0.40 ± 0.03	0.41 ± 0.02	0.44	0.4

Note: Values in bold means significant difference.

Abbreviations: BLa = blood lactate; CT = contact time; FT = fight time; HR_max = maximal heart rate; K_leg = leg stiffness; K_vert = vertical stiffness; LT₂ = lactate threshold 2; RE = running economy; VO_2max = maximal oxygen uptake.