Mujer joven ayudado por su entrenador está haciendo ejercicios con una pelota de fitness en un gimnasio . - Foto e imágenes de stock

Young woman helped by her coach is doing exercises with a fitness ball in a gym.

Young woman helped by her coach is doing exercises with a fitness ball in a gym.

Young man helped by his coach doing stretching exrcises with a fitness ball in a gym.

Young man helped by his coach doing stretching exrcises with a fitness ball in a gym.

Young man helped by his coach doing stretching exrcises with a fitness ball in a gym.

Young man doing stretching exercises in a gym

Bird eye view of a young man doing sit-ups on the floor in a gym.

Bird eye view of a young man doing sit-ups on the floor in a gym.

Young man doing stretching exercises in a gym

Bird eye view of a young man with spectacles doing sit-ups on the floor in a gym.

Young man doing sit-ups on the floor in a gym together with his female trainer.

Image of a young woman doing a floor aerobic exercise in a gym.Shot with Canon 70-200mm f/2.8L IS USM

Portrait of a young handsome man doing pushups in a gym.

Detail of a woman's leg running on a treadmill.