As we age, exercise is important for muscle mass, bone density, balance and back pain. Try these at-home exercises for flexibility, strength, endurance and mobility.

A physical therapist said that sitting all day can cause knee pain, but simple exercises can help strengthen and stabilize ...

For those just learning to lift, the fewer the number of exercises, the better. “Two or three [per workout] on the low end,” says Eric Sung, C.S.C.S., a private trainer in New York.

While building strength all over is key to our overall wellbeing, our core muscles are arguably the most vital area to train.

Calisthenics might be the word your grandfather used for physical exercise ... You repeat each exercise at least 10-12 times. You can do more depending on your fitness level.