Effect of sodium bicarbonate ingestion during 6 weeks of HIIT on anaerobic performance of college students

Table 3 WAnT related indexes data in the pre-, mid- and post-intervention

Variable	Group	Pre-intervention	Mid-intervention	Post-intervention
Relative peak power (W/kg)	SB	10.58 ± 0.69	11.38 ± 0.40^**	12.78 ± 0.68^{**△△††}
Relative peak power (W/kg)	PL	10.05 ± 0.38	10.85 ± 0.37^**	11.09 ± 0.47^**
Relative mean power (W/kg)	SB	7.53 ± 0.59	8.72 ± 0.43^**	9.17 ± 0.40^**
Relative mean power (W/kg)	PL	6.96 ± 0.21	7.77 ± 0.59^**	8.25 ± 0.74^**
Fatigue index %	SB	55.78 ± 9.24	48.95 ± 6.81^*	44.06 ± 6.71^**
Fatigue index %	PL	60.57 ± 12.50	55.89 ± 12.11	53.10 ± 10.66^*
Resting LA (mmol/L)	SB	1.92 ± 0.64	2.00 ± 1.03	1.89 ± 0.55
Resting LA (mmol/L)	PL	2.09 ± 0.65	2.17 ± 0.74	1.59 ± 0.58
LAmax (mmol/L)	SB	13.85 ± 1.40	15.71 ± 1.25	16.44 ± 1.06^**
LAmax (mmol/L)	PL	14.83 ± 2.49	14.69 ± 2.10	14.62 ± 2.06
LA after (10 min) WAnT (mmol/L)	SB	12.39 ± 2.14	13.43 ± 1.24	13.02 ± 1.65
LA after (10 min) WAnT (mmol/L)	PL	13.52 ± 2.42	12.78 ± 1.72	12.45 ± 1.68
V₁₀ (mmol·L^− 1·min^− 1)	SB	0.24 ± 0.08	0.49 ± 0.12^**	0.62 ± 0.10^{**△△††}
V₁₀ (mmol·L^− 1·min^− 1)	PL	0.23 ± 0.07	0.39 ± 0.13^*	0.43 ± 0.12^**
LA₁₀%	SB	11.58 ± 1.41	16.16 ± 3.01^**	20.40 ± 1.81^{**△△††}
LA₁₀%	PL	10.59 ± 2.72	14.36 ± 2.26^**	16.00 ± 2.07^**
HRR₁₀%	SB	65.38 ± 5.32	75.07 ± 10.20^*	80.54 ± 4.98^**△
HRR₁₀%	PL	63.5 ± 9.35	68.39 ± 8.77^*	73.33 ± 8.19^*

Values are means ± SD. LA= lactic acid, LAmax= maximal lactic acid, WAnT= Wingate anaerobic test, SB= HCO₃⁻ group, PL= placebo group. (p < 0.05)
^△indicates a significant difference from mid- to post-intervention (p < 0.05)
^△△indicates a significant difference from mid- to post-intervention (p < 0.01)
^*indicates a significant difference from pre- to mid-intervention or from pre- to post-intervention (p < 0.05)
^**indicates a significant difference from pre- to mid-intervention or from pre- to post-intervention (p < 0.01)
^††indicates a significant difference (p < 0.01) vs. PL-group

ISSN: 1550-2783