For a muscle to continuously contract and relax, it needs adequate hydration, electrolytes, and oxygen. It also must be able ...

As Machowsky points out, running 40 or more miles a week is different to running closer to 20 miles. If your mileage is on the higher end, swapping some of your easy runs for walks – especially if you ...

Three years later, Culling almost cut her time in half, racing home in just 2hr 36min, qualifying to represent her country in distance running in the process. Now a coach at running app Runna, her ...

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and ...

Running and walking can both improve your overall fitness. Deciding between the two comes down to your personal health goals.

Running helps build muscles like your glutes, quads, and hamstrings. But you need to challenge yourself consistently or else you could lose muscle.

It is wise to practice taking military fitness tests, long before the real ones count toward your record or your chances of ...

Strength training is important for everyone, but it also looks different for everyone. A program will hit every muscle in the ...

“Adding plyometrics to your routine increases the force you can produce with each movement,” Kennihan says. “While running, after each foot lands on the ground, there’s a push-off. Plyometric training ...