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We've already debunked some outdated diet rules, but what about fitness?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
Hi, I am new to Sparkpeople. My goal is to lose 50+ pounds. I am looking at a diet system called Isagenix to get me started. It includes cleansing and shakes in its plan. I figure a system would be better at first because I have a hard time prepa... Read more
I have been using my sparktracker without a problem since it came out. I got a new sparktracker and set t up again with the new dongle. Sometimes the dongle would stop lighting up. I fixed it by starting a new set up again and it worked. It see... Read more
I need ideas for light strength training and cardio getting over strep and something viral. Been sleeping or laying for the last 2 days and I tired of being immobile just want some active to keep me going... Read more
I lift according to a program that has a purpose-built app. The app keeps track of which workout I'm on and how much I'm supposed to lift, so all I have to do is click the bubble for each set when I finish it.... Read more
I am proud of how far I've come! It hasn't been easy and I have slipped up more times than I can count! But I have come a long way since middle of January! I just started working out last week, so I've been hitting it hard at the gym! May is gonna be... 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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