Man en vrouw rusten na calisthenische fitnesstraining in de sportschool - Stockfoto’s en -afbeeldingen

Man and woman resting after calisthenic fitness workout in the gym

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

Fitness man and woman during workout with in the gym. Crunch exercise for abdominal muscles.

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.

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. Squats exercise for glutes and hips muscles.

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. Lunges exercise for glutes and hips muscles.

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

Fitness man and woman during calisthenic workout with 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. Lower back warm-up.

Active elderly woman during her fitness workout with personal trainer in cosy gym