"When you challenge your arm muscles with resistance, you create microscopic tears in the muscle fibers," an expert told Newsweek.

Almost everyone has heard of sarcopenia—the progressive loss of skeletal muscle mass, strength, power, and functional ...

A coach shares four classic bodyweight moves that outbuild many gym workouts for strength and muscle after 45.

Body-weight exercises include push-ups, squats, planks, and walking lunges. They are helpful for building functional strength ...

Finding a reliable source of fitness information can be nearly as challenging as bulking up or slimming down on its own.

Don’t lose your gains during your next cut. Preserve or build muscle despite your caloric deficit with this abbreviated ...

Over 45? Use these 7 smart dumbbell moves to build stronger, more defined arms in just 30 days—no marathon workouts required.

A VO2 max test measures heart health and breaks down your ideal cardio zones for burning fat and building muscle.

When it comes to resistance gym machines, the back extension is underrated. Just ask strength and conditioning coach Andy ...

You may still have nightmares about having to do a certain number of pushups in gym class—or as a penalty for making a mistake during a youth sports practice. These days, no one is demanding you "drop ...

Sleep is often treated as downtime, a passive break between the real business of being awake. But a new study has revealed that sleep is active, essential biology, showing how the brain uses the night ...