TABLE 2.
Physiological response at peak incremental exercise and at the end of constant workrate exercise before and after the four-week home-based exercise training program
| Variable |
Rehabilitation
|
P | |
|---|---|---|---|
| Pre | Post | ||
| Incremental cycling exercise | |||
| V̇O2peak, mL/kg/min | 21.6±7.8 | 23.3±7.5 | NS |
| V̇O2peak, % predicted | 107±23 | 103±25 | NS |
| V̇O2peak, L/min | 1.63±0.64 | 1.75±0.71 | NS |
| Peak heart rate, beats/min | 144±26 | 149±24 | NS |
| Peak workrate, W | 110±53 | 118±50 | NS |
| V̇Epeak, L/min | 66.1±27.4 | 68.0±20.3 | NS |
| RRpeak, breath/min | 39±11 | 42±11 | NS |
| RERpeak | 1.22±0.11 | 1.23±0.10 | NS |
| SpO2peak, % | 95±5 | 96±4 | NS |
| Constant workrate cycling exercise | |||
| Duration, s | 264±79 | 421±241 | <0.05 |
| Workrate, W | 88±42 | 88±42 | NS |
| V̇O2, mL/kg/min | 21.4±7.3 | 21.6±7.2 | NS |
| Heart rate, beats/min | 144±26 | 146±29 | NS |
| V̇E, L/min | 60.9±23.8 | 61.7±25.2 | NS |
| RR, breaths/min | 38±11 | 41±11 | NS |
| RER | 1.18±0.07 | 1.08±0.10 | <0.05 |
| SpO2, % | 95±3 | 97±3 | NS |
| Dyspnea Borg score | 7±2 | 7±2 | NS |
| Leg fatigue Borg score | 7±2 | 7±2 | NS |
Data presented as mean ± SD unless otherwise indicated. NS Not statistically significant; RER Respiratory exchange ratio; RR Respiratory rate; SpO2 Pulse oxygen saturation; V̇E Ventilation; V̇O2 Oxygen uptake