| Study | Type of exercise and population | Interval exercise | Continuous exercise | Frequency |
---|---|---|---|---|---|
Previous review [39] | aArnadottir [53] n = 60 2007 | Cycling in people with COPD | ≥ 80% peak power, followed by 30 to 40% peak power Duration: 39 min (intervals of 3 min: 3 min) | ≥ 65% peak power Duration: 39 min | 2 x per week for 16 weeks |
Coppoolse [54] n = 21 1999 | Cycling in people with COPD | 90% peak power interspersed with 45% peak power, plus continuous cycling at 60% Duration: 30 min (intervals of 1 min: 2 min) | 60% peak power Duration: 30 min | 5 x per week for 8 weeks | |
Mador [55] n = 41 2009 | Cycling or treadmill in people with COPD | 150% of continuous exercise target interspersed with 75% of target Duration: 20 to 40 min (intervals of 1 min: 2 min) | 50% peak power and at 80% of 6MWT average speed Duration: 20 to 40 min | 3 x per week for 8 weeks | |
Nasis [56] n = 42 2009 | Cycling in people with COPD | 100% peak power and 45% peak power Duration: 30 to 40 min (intervals of 30 s) | 60% peak power Duration: 30 to 40 min | 3 x per week for 10 weeks | |
a Puhan [57] n = 98 2006 | Cycling in people with COPD | 50% peak power of a steep-ramp test, followed by 10% peak power Duration: 25 min (intervals of 20 s: 40 s) | ≥ 70% peak power Duration: 25 min | 5 x per week for 3 weeks | |
Varga [58] n = 71 2007 | Cycling in people with COPD | 50% peak power interspersed with 10% peak power Duration: 45 min (intervals of 20 s: 40 s) | ≥ 70% peak power Duration: 45 min | 3 x per week for 8 weeks | |
Vogiatzis [30] n = 36 2002 | Cycling in people with COPD | 100% peak power and 45% peak power (intervals increased progressively to 140% peak power) Duration: 40 min (intervals of 30 s) | 50% peak power, increasing to 70% by the end of the program Duration: 40 min | 2 x per week for 12 weeks | |
Vogiatzis [59] n = 19 2005 | Cycling in people with COPD | 100% peak power and 45% peak power, (intervals increased progressively to 140% peak power) Duration: 45 min (intervals of 30 s) | 60% peak power, increasing to 70% by the end of the program Duration: 45 min | 3 x per week for 10 weeks | |
Additional studies | aBrØnstad [60] n = 20 2013 | Uphill treadmill walking in people with COPD | ~  90% maximal heart rate (‘work’) Duration: 38 min (intervals of 4 min: 4 min) | 70% maximum heart rate Duration: 47 min | 3 x per week for 10 weeks |
Rodriguez [61] n = 29 2016 | Cycling in people with COPD | 70 to 100% Wmax (progressively increased over the program), interspersed with 40 to 50% Wmax Duration: 40 min (intervals of 2 min: 3 min) | 60% Wmax Duration: 40 min | 3 x per week for 8 weeks |