Fractal correlation properties of HRV as a noninvasive biomarker to assess the physiological status of triathletes during simulated warm-up sessions at low exercise intensity: a pilot study

Table 1 Demographic data and data from the baseline assessment of all included participants (n = 11)

	Sex	Age (years)	Body weight (kg)	Height (cm)	Training volume (h week⁻¹)	VO_2max (ml kg⁻¹ min⁻¹)	P_max (W)	HR_max (bpm)	VO₂ VT1 (ml kg⁻¹min⁻¹)	VT1 (W)	90% VT1 (W)
1	M	31	57.6	165	8.0	51.2	252	197.0	35.4	142	128
2	M	48	81.0	186	12.0	41.7	362	176.0	32.3	220	198
3	M	43	75.0	180	6.0	54.7	346	177.0	35.8	202	182
4	M	45	65.5	172	10.0	55.4	338	171.0	39.5	210	189
5	M	21	61.0	173	18.0	62.0	342	195.0	41.5	202	182
6	M	39	67.3	185	13.0	50.9	288	160.0	35.3	194	175
7	M	31	87.1	183	12.0	48.5	354	172.0	32.0	220	198
8	M	55	87.5	191	5.0	46.5	390	166.0	33.1	246	221
9	M	36	64.3	185	6.0	51.2	316	177.0	29.5	154	139
10	F	24	73.4	188	3.0	40.7	266	186.0	31.8	186	167
11	M	34	80.6	189	6.0	55.2	400	179.0	33.2	210	189
Mean ± SD	–	37 ± 10	72.8 ± 10.4	182 ± 8	9.0 ± 4.4	50.8 ± 6.2	332 ± 48	177.8 ± 11.3	34.5 ± 3.5	199 ± 30	179 ± 27

VO_2max, maximum oxygen uptake; P_max, maximum power; HR_max, maximum heart rate; VO₂ VT1, oxygen uptake at first ventilatory threshold; VT1, first ventilatory threshold

ISSN: 2052-1847