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We've already debunked some outdated diet rules, but what about fitness?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
2 circuit workouts done. I'm so sick of my weight holding me back in life. I'm the biggest I've ever been. So sick of yo yo dieting!!! I want to succeed. I WILL succeed!! There's still a voice in my head telling me otherwise. :(... Read more
I'm training for my first marathon. It is in May 2015. Anyone else training. Buddies would be awesome. My long run today is going to be 7 miles. Struggling with the cold and getting out there. Anyone else in the same boat?... Read more
If you're doing a lot of weight training, your muscles may be retaining water to help themselves repair. Your weight can also fluctuate based on how much/little water you're drinking, when you weigh, and whether you're close to your TOM.... 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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