Physical fitness test. Athlete riding an exercise bike while his oxygen consumption is measured with a face mask. Electrodes on his chest monitor his heart rate. Respiratory function and heartbeat are two important indicators of health and fitness | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Massee, Arno |
Bildgröße: | 3425 px × 5148 px |
Modell-Rechte: | vorhanden |
Restrictions: | - |