Turns out it doesn’t take treadmill intervals to get it done. Researchers have hit upon a twist: High-Intensity Incidental Physical Activity. That’s when everyday physical activities cause heart rates to spike, as well as breathlessness—think running down a bus or train, sprinting up stairs, or doing yard work extra-fast.
According to the new U.S. Physical Activity Guidelines, any moderate to vigorous exercise, for 30 seconds or a few minutes, can boost heart health if done several times during the day.
The key is high-intensity, meaning working at 80 percent or more of max capacity. You’ll know you’re in the zone when you feel an uncomfortable shortness of breath, you can’t have a … Read the rest