Ein Mann mit seinem Knie auf einer Trainingsbank, der an seinen Bizepsen arbeitet. - Stockfoto & -bild

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

Portrait of happy fit african man working out with dumbbell

Young muscular man lifting the barbell bench press in the gym.

Man working out on Rowing Machine in health club

Young Body Builder African American doing excersice..

A man doing a push up with a painful expression on his face.

Man working out while at the gym

Happy african man working out with barbell

A man with a kettlebell up in the air.

A woman exercising her shoulders and back by using a weight.

A business man with a serious expression lifting weights.

A man doing a squat while lifting weights.

A very strong man lifting up a weight.

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

A view from the back of a man with his arms up and weights in his hands.

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

Shirtless man doing fitness exercises with dumbbell isolated on white

A man curling one weight close up.

A man getting ready to do a push up by using a push up bar