Here's what trainers actually mean when they talk about your core.
This muscle group is essential for walking, running, and more—so make sure it's strong.
Visible muscle striation is a physique ideal—but it takes a ton of work and discipline to achieve.
What you need to know to make the most of your TRX workouts.
The training style is more than just flashy moves on a jungle gym. Here's what you need to know.
To understand your workout, you need to understand the three energy systems.
When you train, you should know how your muscles work with each other for every exercise.
Honing the intercostal muscles can help athletes breathe easier.
The longest muscle in your body can be a key to better lower body training.
How long does it take for you to lose muscle when you miss a few workouts? Here's what you need to know.
You might not know its name, but you're going to want to give the serratus anterior some attention to accomplish your goals.
Everyone, from weightlifters to runners, can benefit from anaerobic training.
If you think aerobic exercises only refer to old-school step classes, you've got a lot to learn.
If you're hung up on your BMI score, make sure you understand what goes into the measure.
There are three body types commonly used to categorize people. Which are you—and does it even matter?
Each exercise you do can be broken into separate phases—and switching up how you do them can be good for your gains.
Most people only train in one plane of movement. Here's why you should break out of it to improve your overall fitness.
You'll need to understand this essential principle of training to grow muscle and get stronger.
This measure is more than just a mashup of letters and numbers. Here's what you need to know.
If you want to know how many calories you're burning, you'll need to know your METs.
When you're stuck training at home, this high-volume protocol can be a great way to track your progress.
These timed sessions might start easily—but you'll be challenged to keep up with the clock as the reps pile up.
The hip adductors can be the key to powerful, athletic movement. Stop ignoring them in your workouts.
Getting as low as you can go can be helpful for your squats—but you need to be able to do so with perfect form.