The rectus femoris muscle is one of the four major muscles that make up the quadriceps, or the front part of your upper leg. Strengthening the rectus femoris, in particular, can help stabilize your ...

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Burpees and running on the spot can be a great way to raise your heart rate, but they're also hard on your joints and can make a lot of noise. This low-impact workout skips these jumping-style ...

You laced up your sneakers (or put on barre socks), had your pre-workout snack and are ready to dive headfirst into your workout. We admire your motivation. However, experts stress it’s vital to ...

Your hamstrings might not be the most visible muscles, but they’re among the most important for overall fitness and injury prevention. These powerful muscles at the back of your thighs play a critical ...

When most people think of core exercises, they think crunches and sit-ups – possibly because the tactical professions have used them for decades. But given recent changes in military testing, the next ...

William Cornwell does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Gym equipment like trap bars and landmine attachments can help you get more out of your workouts. These distinctly shaped objects can open up new ways to work out to build muscle and strength. Battle ...

Submarines are force multipliers on the naval battlefield and can wreak havoc against an adversary fleet if employed properly. NATO is currently holding its largest anti-submarine warfare exercise in ...