Seniorin sitzt mit Smartphone auf Fitnessball, Sportler auf Laufband hinten im Senioren-Fitnesskurs - Stockfoto & -bild

Senior sportsman sitting on fitness ball and training with dumbbell, sportswoman on treadmill behind. senior fitness class concept

Old sport couple training on treadmill in fitness class for senior people

Picture of mature people running on treadmill in gym

Smiling senior woman and girl exercising with dumbbells in fitness class

Bearded man exercising on treadmill while smiling woman drinking water in fitness class

Senior sportsman sitting with sport bottle, sportswoman on treadmill behind. senior fitness class concept

Preteen girl training on treadmill and drinking water in fitness class. gym class kids concept

Preteen girl training on treadmill in fitness class. gym class kids concept

Preteen girl training on treadmill in fitness class. gym class kids concept

Senior man working in office suffering from back pain

Adorable kid girl in sportswear training on treadmill at gym, children sport concept

Adorable little girls in sportswear exercising on treadmill and smiling at camera in gym, children sport school concept

Funny kids in sportswear training on treadmill at gym together, children sport concept

Adorable girl in pink shirt sitting on yoga mat and tying shoelaces in gym

Top view of smiling little girl lying on mat and exercising with dumbbells