Your shoulders are composed of three primary muscle groups: the anterior, lateral, and posterior deltoids. The rear delts are a key muscle group responsible for shoulder joint stability and balance.

By working out your back muscles, you can not only avert back pain as you age but also improve your posture, overall strength ...

But, let's be honest, how much attention do you give to the back part? That small yet mighty section known as the posterior deltoid. If your answer is "not much" or "almost none," don't worry, it's a ...

An exercise scientist outlines the key lifts that build strength and muscle without overcomplicating your training ...

For a program to be most effective, Washington recommends sticking to it for at least four to five weeks before changing it ...

Regular aerobic exercise and targeted resistance training exercises can help reduce abdominal fat, especially when paired ...

Which exercise machine burns the most calories? The one you enjoy and will use the most. Here are our all-time favorite cardio machines we have tested at Live Science. When you purchase through links ...

Anaerobic exercise uses glucose for energy, instead of oxygen. Aerobic (cardio) and anaerobic exercises both improve health, but only anaerobic exercises build muscle mass and strength. Anaerobic ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Exercises like squats, lunges, bridges, and deadlifts may help boost the size of your glutes. These can be performed at home or in the gym using your body weight, free weights, or resistance bands.