MODEL RELEASED. Fitness test. Boy running on a treadmill while his oxygen consumption is measured by the 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 / Hay Jones, David |
Bildgröße: | 3709 px × 5489 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |