Table 2 Mean (± SD) heart rate [bpm] and respiratory rate [cpm] across experimental conditions and change from EC1 to AWT and EC2 to CPT, as well as RMSSD [ms] for cardiac and respiratory data.
From: On the cardiorespiratory coordination assessed by the photoplethysmography imaging technique
Variable | Group | EO1 | EC1 | AWT | EC2 | CPT | EC3 | EO2 | AWT-EC1 | CPT-EC2 |
---|---|---|---|---|---|---|---|---|---|---|
HR | Experimental | 66.6 (± 10.0) | 67.1 (± 10.1) | 66.0 (± 10.8) | 65.9 (± 9.0) | 70.8 (± 10.4) | 64.8 (± 8.8) | 63.4 (± 9.1) | − 1.1 (± 2.8) | 4.9 (± 7.6) |
Control | 56.5 (± 8.3) | 56.8 (± 8.4) | 54.1 (± 9.1) | 55.3 (± 8.2) | 61.3 (± 13.1) | 56.4 (± 7.3) | 58.5 (± 10.2) | − 2.7 (± .7) | 5.9 (± 5.2) | |
Resp | Experimental | 13.6 (± 4.0) | 12.9 (± 4.4) | 13.6 (± 4.2) | 14.7 (± 4.0) | 15.1 (± 2.8) | 14.2 (± 3.7) | 15.0 (± 4.0) | .67 (± 1.7) | .40 (3.0) |
Control | 13.3 (± 3.9) | 12.9 (± 3.8) | 13.4 (± 3.8) | 13.5 (± 3.9) | 12.7 (± 5.8) | 12.7 (± 5.0) | 10.6 (± 4.0) | .54 (± 1.0) | − .75 (1.9) | |
RMSSD cardiac | Experimental | 83.6 (± 45.7) | 69.2 (± 27.8) | 77.5 (± 29.6) | 67.2 (± 22.2) | 80.0 (± 28.7) | 71.0 (± 21.4) | 68.8 (± 28.8) | 7.9 (± 19.2) | 11.7 (± 17.3) |
Control | 88.8 (± 71.5) | 76.1 (± 59.0) | 83.6 (± 69.1) | 81.5 (± 38.7) | 90.9 (± 59.0) | 73.2 (± 45.8) | 74.1 (± 49.9) | 7.5 (± 10.2) | 9.4 (± 21.1) | |
RMSSD respiratory | Experimental | 1.81 (± .60) | 1.85 (± .60) | 2.24 (± .90) | 2.09 (± .60) | 2.18 (± .90) | 2.15 (± .50) | 1.86 (± .60) | .34 (± .9) | .11 (± .7) |
Control | 1.53 (± .50) | 1.35 (± .30) | 1.96 (± .90) | 1.98 (± .80) | 2.37 (± .10) | 2.15 (± .30) | 1.70 (± .60) | .61 (± .7) | .40 (± .9) |