Definition of Aerobic Fitness
Aerobic fitness is a measure of your body's ability to take oxygen from the atmosphere and use it to produce energy for your muscle cells.
Read more →General Fitness: How to Lose Weight and Get Fit Faster
How long does it really take to get fit or lose 50 pounds through walking? Understanding concentric exercises, kettlebell swing mechanics, and proper post-workout hydration is key to building a sustainable fitness lifestyle.
What Is a Realistic BMI for Someone Athletic?
When the long hours you spend in training pay off with low body fat and toned sculpted muscles, you feel pretty good about yourself. That is, until you [assess your body mass index](https://www.livestrong.com/tools/body-mass-calculator/), or BMI.
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How Soon Can You Play Sports After Giving Birth?
If you had to warm the bench in the months leading up to your baby's birth, you may be eager to resume your pre-pregnancy activities. For optimal health and peak performance, your body has to completely recover from the stresses and traumas of pregnancy and delivery.
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Does Exercise Help Burn Sugars You Eat?
Whether you're munching on a candy bar or scarfing down your favorite pasta, the carbohydrates you eat are eventually broken down to glucose in your digestive tract. From there, they are either used for quick energy or stored for later use.
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5 Skill Related Components of Physical Fitness
The 1996 U.S. Surgeon General's "Report on Physical Activity and Health" is a landmark document that emphasizes the important link between physical fitness and American health.
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The Formula to Calculate Fat Mass & Lean Muscle Mass
For the fit population, weight scales and Body Mass Index calculations do not give a true picture of your fitness level and changes brought on by exercise. Body composition is a ratio that relates your fat-free mass to your fat mass, and provides a more accurate means of assessing your progress.
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The Ideal Weight for an Athletic Build
Medical and fitness personnel often use body weight to compare individuals to norms based on the general population. But if you have an athletic build, chances are you're toward the higher end of the charts.
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Can a Man Over 45 Still Gain Muscle Size?
Middle age brings with it many physical changes that are not always welcome. In particular, a loss of strength and muscle size can leave you feeling weaker and less vital than you did in your younger days.
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How to Burn Lower Stomach Fat
Lower abdominal fat, which often includes deep visceral fat that surrounds your vital organs, can be tough to get rid of. Simply doing crunches and sit-ups will tone the underlying muscle, but those exercises are not effective for fat reduction.
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How to Lose Belly Fat Without Losing Weight
Unsightly belly fat can ruin your look, especially if you're happy with the rest of your body. Clothes that otherwise fit you are tight around the waistline, creating belly bulge and muffin tops that are hard to hide.
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