MODEL RELEASED. Strength training. Man using a resistance machine in a gymnasium. Strength training is the use of resistance (gravity,elastic or hydraulic forces) to oppose muscular contraction. This builds the strength,endurance and size of muscles | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turnball, Mark |
Bildgröße: | 3328 px × 4992 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |