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Table 1 Cardiopulmonary outcomes

From: Technical feasibility of constant-load and high-intensity interval training for cardiopulmonary conditioning using a re-engineered dynamic leg press

Participant 1 2 3 4 5 mean ± SD
CLT       
\(\dot {V}\mathrm {O}_{2}\) 1.54 1.18 1.32 1.36 2.88 1.66 ±0.70
% of \(\dot {V}\mathrm {O}_{2\text {peak}}\) 52 42 40 39 68 48 ±12
HR 114 121 137 91 156 124 ±24
% of HRpeak 76 63 72 56 83 70 ±11
HIIT       
\(\dot {V}\mathrm {O}_{2}\) 3.67 2.51 2.62 1.93 4.21 2.99 ±0.93
% of \(\dot {V}\mathrm {O}_{2\text {peak}}\) 124 90 79 55 100 90 ±26
HR 164 173 177 118 177 162 ±25
% of HRpeak 109 90 92 72 94 91 ±13
  1. For the CLT, \(\dot {V}\mathrm {O}_{2}\) and HR are the average oxygen uptake and heart rate obtained during the active phases
  2. For the HIIT, \(\dot {V}\mathrm {O}_{2}\) and HR are the average of the five peak values obtained from each interval