Corredores en posición inicial. Joven hombre y mujer preparados para una intensa sesión de entrenamiento. Entrenamiento deportivo en el gimnasio . - Foto e imágenes de stock

Young fit couple in gym fast running. Young man and woman doing intense training session. Sports training in the gym.

Runners in starting position. Young man and woman prepared for intense training session. Sports training in the gym.

Fitness, sport, exercising, training and healthy lifestyle concept - group of people doing straight arm plank in gym

Group of young healthy people doing pushups at crossfitness gym

Group of young healthy people doing pushups at cross fitness gym

Group of young healthy people doing pushups at cross fitness gym

Fitness, sport, exercising and people concept - woman with heart-rate tracker at group training doing plank exercise in gym

Beautiful fit senior couple in gym working out with vibration bars

Close up of attractive fit women in gym working out with weights

Beautiful fit senior couple in gym working out with weights

Fit attractive woman in gym training arms with trx fitness strips

A group of seniors in gym with a young personal trainer doing exercise with TRX.