Junger Sportler macht mit Seniorentrainer Bauchmuskeltraining auf Fitnessball - Stockfoto & -bild

Young sportsman doing abs on fitness ball in sport center with senior trainer

Senior sportsman training with dumbbell and young trainer in sport center

Senior sportsman training on on fitness ball with medicine ball in gym while trainer using digital tablet

Senior sportsman training with fitness ball with trainer in gym

Handsome young man working out at home with a smart watch

Senior sportsman giving highfive to trainer in sport center

Senior sportsman training with dumbbell and young trainer in gym

Side view of handsome muscular man training with dumbbells in gym

Cropped view of sportsmen training with skipping rope in gym

Sportsmen simultaneously exercising on yoga mats in gym

Bearded mature sportsman sitting on yoga mat with towel while woman training on treadmill

Handsome trainer showing results of exercising on tablet to tired sportsman in gym

Cropped image of trainer standing near sportsman doing plank on yoga blocks in gym

Trainer pushing sportsman doing push ups on dumbbells in gym

Trainer using digital tablet and helping muscular sportsman exercising with fitness straps in gym