Journal of Respiratory Medicine / 2013 / Article / Tab 3

Research Article

The Physiologic Effects of an Acute Bout of Supramaximal High-Intensity Interval Training Compared with a Continuous Exercise Bout in Patients with COPD

Table 3

Exercise physiologic and perceptual data.

HIIT-endHIIT-isoworkCWR

HR (bpm)121 ± 31101 ± 36120 ± 29
(L·min−1)39 ± 1132 ± 15*41 ± 13
O2 (L·min−1) 1.03 ± 0.260.97 ± 0.361.05 ± 0.41
IC (%TLC)25 ± 638 ± 6*27 ± 8
O2 (%)92 ± 394 ± 292 ± 2
Dyspnea5.7 ± 1.84.9 ± 1.65.8 ± 1.4
Exertion4.2 ± 1.63.4 ± 1.3*4.3 ± 0.4
Reason for cessation ( )Dyspnea 9
Leg fatigue 3
Both 2
N/ADyspnea 8
Leg fatigue 3
Both 3

versus HIIT-end. HR: heart rate; : ventilation; O2: rate of oxygen consumption; IC: inspiratory capacity; O2: oxygen saturation; HIIT: high-intensity interval training session; CWR: constant work rate session.

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