Instructor personal en un gimnasio da al cliente una botella de agua. Deshidratación en el concepto de cargas cardiovasculares. Ejercicio en cinta de correr - Foto e imagen de stock

Young man walking or running on the running machine and drinking water. Workout at fitness room on a treadmill with personal trainer

Smiling man and woman with water

Female personal trainer helping young man on the running track. Caring of the water balance of the man during the cardio exercises

Giving a bottle of water to a woman after exercise

Man and woman talking after good workout in the gym. Couple holding bottles of water and towels are discussing training process.

Selective focus of attractive sportswoman holding sports bottle with water near man in gym

Training with a personal fitness trainer. Exercise bike cardio workout at fitness gym for man. Aerobic or cardio exercises.

Attractive young sports people are talking and smiling

Friends do morning exercises in the open air. The concept of a healthy lifestyle

Happy sporty couple doing squats together, man and woman holding hands, doing exercises with partner

Deep squat. Fitness couple in sportswear doing squat exercises outdoors

Basic sit up exercise on the mat. Slim young girl doing abs exercises