Amount Quote by Neil deGrasse Tyson

“As on Earth, weight-bearing exercise is the best way to hang on to your bone. In zero gravity, of course, you have to create…

— Mary Roach

Gravity on Earth provides a force that keeps our bones and muscles working. In the microgravity of space, our bones and muscles are not…

— Sunita Williams

Exercise is very important, first of all if you think about it, especially in a long flight like a six month space flight and…

— Leroy Chiao

Weight-bearing exercise builds bone density, builds your muscular strength so that you can hold your body up where those bones have a tendency to…

— Ann Richards

The body needs to rest. It needs a lot less exercise than you think.

— Sylvester Stallone

There are 800 some muscles, 200 some bones. Your body works in three planes of motion: arms, legs - pentadactyl limbs. That's what we're working with.

— Gunnar Peterson

Because I want to have my arm in good shape, I need to have my legs in good shape. Without a leg, there is…

— Pedro Martinez

Don't workout because you think you 'need' to, do it because your body deserves love, respect and healthy attention.

— Demi Lovato

Gravity always sucks. It really, really does. It's a big challenge just re-adapting to feeling heavy again, you know? Even my arm feels heavy.…

— Peggy Whitson

I don't exercise. My philosophy is: No pain, no pain.

— Carol Leifer

Once you are accustomed to giving your body a daily workout, you feel constrained when you don't exercise.

— Vera-Ellen

I don't want to be all power and muscle.

— Shawn Johnson