Mujer joven durante el entrenamiento con un instructor de fitness personal usando bandas de resistencia de goma en el gimnasio. - Foto e imagen de stock

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

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

Young woman during workout with a personal fitness instructor in the gym. Squats exercise for glutes and hips muscles.

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

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. Squats exercise for glutes and hips muscles.

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

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

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

Man and woman making friendly arm wrestling handshake in the gym after workout. Competitive spirit, progress and friendship.

Man and woman during a workout in the gym. Girl showing to her teammate a new fitness application.

Young and happy fitness couple during calisthenics workout in the gym

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

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.

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