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We've already debunked some outdated diet rules, but what about fitness?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've been having a hard time breaking my after work food binge. I always say I'm going to try better, but when that time of day hits its like I get out of control. I don't feel like it's from stress or boredom, just routine oddly enough. This has bee... Read more
Hi Sparkies! I'm searching for a circuit training video that I can use, but I'm not looking for anything extreme. I'm 61, in good health but overweight, and I've been doing walking and dancing DVDs. I like Jessica Smith and Leslie Sansome. I want... Read more
You shouldn't do that weight training workout every day or you'll risk injury due to overtraining. Men need to eat more than women, too. Spark shouldn't have given you a range minimum below 1500 if you're male.... 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
The holiday season has officially started, and you may have already noticed your fitness routine start to slip a little. To keep your motivation high in the crazy days ahead, we've created this fun, calorie-blasting cardio and strength circuit wo... Read more
Jillian Michaels has just been hired as my trainer, though she doesn't know it! ;) In anticipation of the "The Biggest Loser" season premier this week, I went out and bought Jillian's new book, MAKING THE CUT.... Read more
Jillian Michaels has just been hired as my trainer, though she doesn't know it! ;) In anticipation of the "The Biggest Loser" season premier this week, I went out and bought Jillian's new book, MAKING THE CUT... Read more
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