The Influence of Surgical Mask on Heart Rate, Muscle Saturation of Oxygen, and Hemoglobin during Whole-Body Vibration Exercise

Table 4

ANOVA for repetitive measures (heart rate, muscle oxygen saturation, oxyhemoglobin, and deoxyhemoglobin) between moments.

	Baseline			WBV 1			Rest 1			WBV 2			Rest 2			WBV 3			Recovery					Post hoc
	Mean		SD	Mean		SD	Mean		SD	Mean		SD	Mean		SD	Mean		SD	Mean		SD
HR (bpm)	75.8	±	14.0	112.8	±	16.9	96.3	±	15.5	111.9	±	18.7	100.7	±	19.1	114.3	±	20.1	89.4	±	18.2	166.6	<0.001	a, b, c, d, e, f, g, i, k, l, n, o, p, r, s, t, u
SatO2 (%)	62.2	±	11.5	44.4	±	16.5	61.7	±	10.3	49.3	±	17.8	65.1	±	10.9	52.9	±	20.6	71.2	±	10.7	45.3	<0.001	a, c, e, f, g, i, j, k, l, n, o, p, r, s, u
O2Hb (g/dL)	7.7	±	1.3	5.4	±	1.9	7.6	±	1.1	6.0	±	2.0	8.0	±	1.2	6.6	±	2.2	8.7	±	1.1	48.4	<0.001	a, c, e, f, g, i, j, k, l, n, o, p, r, s, u
HHb (g/dL)	4.7	±	1.4	6.8	±	2.1	4.7	±	1.3	6.3	±	2.2	4.3	±	1.4	5.6	±	2.4	3.5	±	1.4	47.8	<0.001	a, c, e, f, g, i, j, k, l, n, o, p, r, s, t, and u

a = baseline–WBV 1; b = baseline–rest 1; c = baseline–WBV 2; d = baseline–rest 2; e = baseline–WBV 3; f = baseline–recovery; g = WBV 1–rest 1; h = WBV 1–WBV 2; i = WBV 1–rest 2; j = WBV 1–WBV 3; k = WBV 1–recovery; l = rest 1–WBV 2; m = rest 1–rest 2; n = rest 1–WBV 3; o = rest 1–recovery; p = WBV 2–rest 2; q = WBV 2–WBV 3; r = WBV 2–recovery; s = rest 2–WBV 3; t = rest 2–recovery; u = WBV 3–recovery; HR: heart rate; SatO₂: muscle oxygen saturation; O₂Hb: oxyhemoglobin; HHb: deoxyhemoglobina; F: degrees of freedom; and : value.