Circuit training is a workout routine that combines cardiovascular fitness and resistance training. It was first proposed in the late 1950s as a method to develop general fitness. The initial routines were arranged in a circle, alternating betwee... Read more
We've already debunked some outdated diet rules, but what about fitness? Just as there is plenty of questionable diet and weight-loss advice going around, some exercise "rules" that people live by are downright misleading, misguided or... Read more
"Time is money," Benjamin Franklin advised a young tradesman in a 1748 essay. Although we don’t know to what extent he applied Franklin’s wisdom, most of us do understand the implications of this adage in our own lives. When it... Read more
When you think about “fitness classes,” what images come to mind? Do you picture skinny people (leg warmers included) jumping around and kicking their legs to loud music? Although that might have been the case 10 or 20 years ago, the late... Read more
SparkPeople’s Exercise Reference Guides offer an in-depth look at the principles of fitness.
What is Aerobic Exercise?
The American College of Sports Medicine (ACSM) defines aerobic exercise as "any activity that uses large muscle... Read more
I am trying to decide if what I am doing is actually circuit training. I pick 6 weight machines and work the first to back to back without rest for 3 sets, then elliptical for 2 minutes, then the next 2 machines for 3 sets non-stop, etc. If I enter "... Read more
I just found out today I have degenerative disc disease in neck and lower back. She said no weights over 5 pounds. No running. No impact on back. I do crunches now and a few arm exercises now. I also have nerve damage in foot due to the back. She is... Read more
One of the worst things is finishing a workout and coming home to someone being angry with you for going. At this point I'm not sorry in any way for focusing on myself more than ever. It has to happen.... Read more
"Zero in to tackle your trouble zones and lose up to 5 pounds a week! Eliminate love handles, muffin tops, and wobbly arms for good!" That's what Jillian Michaels' new DVD, No More Trouble Zones, promises to deliver. Her people contacted us to see if... Read more
This is a loaded question! If you ask 10 different trainers, you'd get 10 different answers. One trainer's answer is likely to be based on what they've seen help clients get the best results or their own personal preference for one type o... Read more
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