Physical activity represents an effective incentive to achieve and maintain the peak bone mass. Our study has been evaluating the heel ultra-sound parameters in a group of female volleyball players. We found some interesting results as follows: BMD estimated, 0.675±0.144 g/cm2; QUI 120.2±20.9; SOS 1590.4±32.3 m/S; BUA 95.5±20.1 dB/ MHz. Each parameter observed on the volleyball players group has resulted significantly higher (p<0.05-0.01) compared to the same parameters within the control group. Our work confirms that an aerobic physical activity represents an effective mechanical stimulus to the bone, allowing of observing an index of bone quality significantly higher compared to the people who does not do any regular physical activity.