Table 3.

Exercise performance data collected during the 21-day intervention

BaselineDays 23Days 1011Days 2021
o2max l/min3.5±0.53.5±0.53.5±0.5
Submax endurance,# min43.4±21.939.9±17.4
Arm flexion, no. of reps26±625±526±1020±8*
Lift and carry, min5.7±0.75.4±0.85.2±0.9*5.0±0.7*
  • Values are means ± SD.

  • # Ride to exhaustion at 70% V̇o2max. Test was performed immediately following the isotope trial of 50 min at 50% of V̇o2max (actually measured on days 1 and 18).

  • * Significantly different from baseline at P < 0.05.

  • Significantly different from days 23 at P < 0.05.