As you start to learn more about fitness and resistance training, there can be a lot of terms and methods that are outright confusing. You may have heard about muscular strength and muscular endurance ...

Endurance means a lot of different things to different people. To runners, it means being able to run for a long time, covering many miles. To weightlifters, it might mean being able to lift heavy ...

POV: You started working out a few months ago, and you've been consistently hitting the same reps of the same movements. You have a goal of reaching a deadlift PR in a few months, and while you do ...

How long are you resting between your sets in the gym? Do you even know, or do you just make it up as you go along? Maybe you don’t even take real rest periods (please say you do). Just as having rest ...

Time under contraction is not directly measured in a typical weight training program. Most people really don't even think about the number of seconds a given muscle is forced to work. Indirectly, ...

Use it or lose it, triathletes. Muscles don’t have long-term memory for exercises like running, biking and swimming, a new study suggests. The old adage that once you’ve been in shape, it’s easier to ...

Hypertrophy is the medical term for muscle growth. Everyone can build muscle, but not everyone will experience the same gains or speed of muscle growth. Genetics, age, hormones, nutrition, and other ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." POV: You started working out a few months ago, and you've been consistently hitting the same reps of the ...