From: Increased first and second pulse harmonics in Tai Chi Chuan practitioners
Measures | Baseline (n = 30) | 30 min after (n = 30) | ||
---|---|---|---|---|
HRV | Control | TCC | Control | TCC |
mRRI (ms) | 873.8 (756.4–977.2) | 917.4 (847.0–992.3) | 929.4 (840.2–1082.0) | 929.7 (854.8–996.4) |
HR (bpm) | 68.7 (61.4–79.3) | 65.4 (60.5–70.8) | 64.6 (55.4–71.4) | 64.5 (60.2–70.2) |
SDRR (ms) | 53.7 (44.3–65.6) | 43.8 (29.9–54.5)* | 63.7 (53.2–71.5) | 40.1 (30.3–52.7)** |
CVRR (%) | 5.9 (5.2–7.7) | 4.4 (3.7–6.0)* | 6.8 (5.8–7.1) | 4.4 (3.3–5.8)** |
TP (ms2) | 1137 (692–1838) | 749 (224–1344)* | 17070 (968–2001) | 609 (349–1083)** |
ULFP (ms2) | 108 (54–236) | 114 (52–167) | 195 (116–390) | 108 (74–218)** |
VLFP (ms2) | 225 (110–401) | 184 (123–305) | 273 (196–438) | 185.4 (119–213)** |
LFP (ms2) | 360 (187–512) | 249 (63–462) | 483.8 (292.4–657.9) | 200.2 (98.0–367.7)** |
HFP (ms2) | 494 (325–665) | 174 (57–582)* | 662.0 (453.7–892.6) | 178.8 (61.7–484.8)** |
nVLFP (nu) | 21.0 (15.6–25.9) | 31.6 (18.6–55.9)* | 21.3 (16.3–26.0) | 29.2 (19.9–47.3)** |
nLFP (nu) | 29.1 (26.1–32.7) | 24.5 (12.7–32.3)* | 30.0 (27.3–35.6) | 33.4 (25.6–39.7) |
nHFP (nu) | 49.8 (39.9–56.3) | 35.2 (25.8–50.6)* | 48.5 (39.6–56.1) | 31.5 (22.1–45.3)** |
LHR | 0.61 (0.49–0.89) | 1.04 (0.70–2.08)* | 0.66 (0.49–0.78) | 0.95 (0.62–2.15)** |
Pulse harmonics | Control | TCC | Control | TCC |
TPp | 3460 (1791–8375) | 17775 (12200–22360)* | 3089 (818–7648) | 19350 (13710–27240)** |
Ph1 | 1741 (889–4346) | 12580 (7856–16930)* | 1114 (339–4249) | 14605 (5554–19090)** |
Ph2 | 301 (187–748) | 1504 (1111–2243)* | 213 (64–359) | 1888 (1006–2680)** |
Ph3 | 65 (33–256) | 264 (209–394)* | 45 (14–98) | 288 (183–475)** |
Ph4 | 20 (7–51) | 63 (35–77)* | 13 (4–29) | 57 (31–90)** |
Ph5 | 7.6 (3.7–18.0) | 34.9 (20.6–69.3)* | 5.4 (2.4–14.9) | 47.2 (27.3–676.0)** |
Ph6 | 1.6 (0.8–9.1) | 15.5 (7.1–23.0)* | 2.0 (0.9–15.1) | 17.2 (8.3–31.2)** |
Ph7 | 1.1 (0.4–3.3) | 3.6 (2.4–5.9)* | 1.2 (0.4–3.8) | 3.3 (2.7–7.0)** |
Ph8 | 0.5 (0.2–1.7) | 1.7 (1.1–2.8)* | 0.4 (0.2–2.0) | 2.1 (0.9–3.2)** |
nPh1 | 41 (30–69) | 76 (58–82)* | 38 (29–56) | 78 (64–83)** |
nPh2 | 9.6 (8.0–14.1) | 10.3 (7.9–12.0) | 6.5 (3.8–10.8) | 10.5 (7.9–11.3)** |
nPh3 | 1.9 (1.6–3.0) | 1.7 (1.1–2.3) | 1.8 (0.9–2.9) | 1.6 (1.2–2.8) |
nPh4 | 0.6 (0.3–1.0) | 0.4 (0.2–0.5)* | 0.4 (0.2–0.8) | 0.3 (0.2–0.5) |
nPh5 | 0.2 (0.2–0.4) | 0.3 (0.2–0.4) | 0.2 (0.1–0.4) | 0.2 (0.2–0.3) |
nPh6 | 0.06 (0.03–0.19) | 0.11 (0.05–0.14) | 0.1 (0.1–0.2) | 0.1 (0.5–0.2) |
nPh7 | 0.03 (0.01–0.08) | 0.02 (0.01–0.04) | 0.16 (0.02–0.09) | 0.02 (0.01–0.04)** |
nPh8 | 0.01 (0.01–0.04) | 0.01 (0.01–0.02) | 0.02 (0.01–0.05) | 0.01 (0.01–0.02)** |
F1 (Hz) | 1.1 (1.0–1.3) | 1.1 (1.0–1.2) | 1.1 (0.9–1.2) | 1.1 (1.0–1.2) |