it depends on how you define strenuous.
swimming is much better for your joints, as well, swimming probably uses more musles than running, as it is a whole body exercise.
when swimming, you are forced to hold your breath, which exercises yor lungs and therefore the rest of your body much more than if you were running.
there is also much more resistance when swimming (because of the water) making if much harder to swim a distance (ie.400m) than it would be to run it. (the world record time for 400m freestyle is 3:40.7, whereas, in track, it's 00:43.19 so obviosly, its alot more difficult to swim.)
running, biking swimming speed walking
Swimming ANSWER: swimming is beast, but it isn't the best exercise there is no such thing as best exercise. all exercises are good for you. running has amazing talents and is awesome. make sure your breathing right and drinking enough water. that's all there is to it.
Swimming. Is the most complete beneficial exercise there is.
All forms of exercise burn calories. Exercise that is intensive, fast-moving (like running), or high-speed will burn the most calories. Some examples are running, swimming, kayaking, jump roping, rock climbing, and hiking.
swimming
synchronised swimming. it's swimming and smiling and there's four of you.
Swimming and rock climbing.
I would say swimming.
swimming... i think :)
According to any website on the Web, about 150 minutes of exercise is plenty. The types of exercises that will keep you healthy the most are Aerobic and Strength Training. You could even try swimming and running.
Vigorous cardiovascular exercise is the best fat burner there is. Try swimming or jogging to make the most out of your exercise minutes. If you're new to running, try alternating running and walking, gradually increasing the times that you run.
Skipping, the most effective exercise of all next come running ( jogging), cycling. most important factor is breathe as much as possible when you do a exercise.