For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper body (everything from the chest up including arms, shoulders, and back—but not ...

Fitness experts say regularly training the deltoids — the muscles that cover the shoulder joint — can help improve strength, ...

This bodyweight upper body workout targets strength and core stability with simple yet effective movements. Perfect for building muscle and improving control without equipment. #fitness #bodyweight #u ...

Add Yahoo as a preferred source to see more of our stories on Google. We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build ...

Improve your upper body workout with 10 overlooked exercises that build more strength, size, and balanced muscle.

A trainer shares a tip for how many times you should work out your upper body per week and why. She also shares a sample ...

Get ready for the ultimate pump.

A certified strength coach shares 5 exercises for men over 55 to restore lost muscle, rebuild strength, and move confidently every day.

Workouts I've been training my 72-year-old dad for over 6 years: 3 moves we swear by for building functional strength and balance Workouts 'I’m 72 and in the best shape of my life: Here’s the 5 simple ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The upper back is an ...

Here's why crunches are so good for your overall health.

THE CHEST IS a muscle group that takes up a great deal of attention for physique-minded guys. If you pause a moment to think about why, you won't need long to figure out the appeal of chest-pumping ...