Forget the birth certificate—true age is measured by how long your body can sustain effort. If you can breeze through these ...

Discover the simple functional strength challenge used by experts to measure upper-body endurance and learn why this classic ...

So, you think you're truly fit? You might go to the gym every day, but that's about as one-dimensional of a measure of your fitness as it gets. In fact, being able to lift a bunch of heavy weights is ...

Find out exactly where you need to improve ...

Muscular strength also improves overall sports performance through increases in stability and strength in the prime mover muscles (or the muscles mostly in charge of motion in a joint), like your ...

Muscular endurance (Strength Endurance, Endurance Strength) is the ability to sustain force production or perform repeated muscle contractions against a given load over time. In resistance training, ...

Distance-running plans are chock-full of workouts that improve metrics like VO2 max and lactate threshold to help you run faster for longer. But coach Scott Johnston looks beyond these traditional ...