A man doing a push up with a painful expression on his face. - Stock Photo & Image

A man doing a push up on a mat with a smile on his face

Young Body Builder African American doing excersice..

Healthy Sporty Young Man Exercising On Mat At Home

Side view of African American woman balancing on exercise ball doing crunches.

Exercising with a roll

Fit healthy man uses pilates gym ball as part of toning and muscle building training exercises

A man with his knee on a work out bench working on his bicepts.

A man after a serious workout kneeling down on the floor looking tired.

African American woman in fitness green outfit pushing up from floor on weights, close up

A man and woman doing hip raises together.

A young man doing a push up with a serious expression.

A man trying to lift a heavy weight with a painful expression on his face.

A woman doing a push up using push up bars.

A woman doing a one arm push up with a smile on her face.

A young man doing a push up with a serious expression.

A woman with a smile on her face using push up bars.

A woman with her foot on a workout bench holding weights with a smile on her face.