Can you sing?

There’s a simple way to determine if you’re engaging in moderate- or vigorous-intensity aerobic activities. During a moderate-intensity workout, generally you can talk but not sing. In vigorous-intensity exercise, you cannot say more than a few words without taking a breath. See examples below.

Brisk walking – 3.5 to 4 miles per hour
Bicycling — slower than 10 miles per hour
Tennis — doubles
Social dancing
General gardening — raking, weeding, bagging leaves
Baseball, softball
Hiking
Golf
Light snow shoveling

Race walking
Bicycling 10 miles per hour or faster
Tennis — singles
Aerobic dancing
Heavy gardening — pushing hand lawn mower
Baseball
Jogging, running
Jumping rope
Heavy snow shoveling