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
Pop quiz: Can you name the most important muscle in your body? Nope, it's not your abs, hamstrings or triceps. It's your heart!
The human heart is an amazing muscle, capable of pumping about five quarts of blood throughout the body every... Read more
There’s no doubt that getting older changes your body and appearance, but it also affects your ability to exercise. Your maximum heart rate declines with age, which means your heart and lungs can’t pump as much oxygen and blood to your mu... Read more
Would your friends lie to you? They just might be...
This time of year is all about starting fresh—new goals, solid plans, better habits. You probably have a new exercise routine to help you reach your weight loss and fitness goals.... Read more
Every bride wants to look her best on her big day. After all, you're spending a boatload of cash on a great gown, an awesome party, and the best photographer you can afford, so it's natural to want every detail to be perfect, right down to th... Read more
Most people work sooo hard on cardio to blast of fat in their body, but end up still having those layers of fat hanging everywhere; tummy, but, arms, legs. What's wrong? I found the key to exercise to be slim lies in the difference between aerobic an... Read more
When we were researching and writing our best-selling book, "The Spark," we discovered 27 secrets of success that thousands of successful SparkPeople members have used to reach their goals, lose weight and keep it off. Some secrets—including these—ar... Read more
A few months ago, I had the amazing opportunity to interview Leslie Sansone for the dailySpark. Sure, I knew who she was and that our members love her, but I had never actually tried any of the "Walk Away the Pounds" DVDs that made her the... Read more
I'd like to take a moment to address this issue. To many talks going around the spark pages about Cardio and how much is too much, seems that no one knows the answer. I was told by a trainer that 30 minutes is more than enough, which makes sense, pl... Read more
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