Fitness hombre y mujer durante el entrenamiento con en el gimnasio. Ejercicio de flexiones para los músculos del pecho y tríceps. - Foto e imagen de stock

Fitness man and woman during workout with in the gym. Push-ups exercise for chest and triceps muscles.

Fitness man and woman during workout with in the gym. Push-ups exercise for chest and triceps muscles.

Portrait of a woman and a man training together at the gym. Young people doing plank exercises at the gym.

Young sporty couple doing plank exercise together

Sportive couple exercising together isolated on white

Fitness man and woman during workout with in the gym. Lunges exercise for glutes and hips muscles.

Fitness man and woman during workout with in the gym. Lower back warm-up.

Fitness man and woman during workout with in the gym. Squats exercise for glutes and hips muscles.

Fitness man and woman during workout with in the gym. Lunges exercise for glutes and hips muscles.

Fitness man and woman during calisthenic workout with in the gym.

Young man feeling bad after workout. Concept of overtraining and health problems.

Young woman during workout with a personal fitness instructor using rubber resistance bands in the gym.

Fitness man and woman during workout with in the gym. Quadriceps muscles warm-up.