Cardiac performance in patients with HF can be determined with measurement of the time for peak oxygen uptake to decrease by more than 12.5%.

VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

The physical activity guidelines define “moderate” exercise as at least 3 MET, but less than 6. Vigorous is 6 MET or more.

Still, nearly 40 percent of people who perform 150 to 300 minutes per week of moderate exercise fail to improve their VO2 max ...

In a small new study, participants who walked at a steady pace burned fewer calories than those who made lots of stops and starts. Study participants used more oxygen and energy at the start of walks ...

AMSTERDAM — For patients with severe respiratory impairment, the simple act of breathing can be a struggle, making exercise seem like an insurmountable challenge. However, with the right strategies, ...

But during exercise this drops by about 80% as more blood is delivered to the muscles, heart and lungs. This causes a short-term lack of oxygen to the gastrointestinal tissues. But when blood flow ...

For people who don’t already exercise, short bursts of deliberate activity significantly improved cardiorespiratory fitness.