**The Effects of Endurance Running Training on Young Adult Bone: Densitometry vs. Biomaterial Properties**

Tsang-Hai Huang1, Ming-Yao Chang2, Kung-Tung Chen3, Sandy S. Hsieh4 and Rong-Sen Yang5 *1Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, 2Department of Biomedical Engineering, National Cheng Kung University, Tainan 3College of Humanities, Social and Natural Sciences, Minghsin University of Science and Technology, Hsinchu 4Graduate Institute of Exercise and Sport Science, National Taiwan Normal University, Taipei 5Department of Orthopaedics, National Taiwan University & Hospital, Taipei, Taiwan* 
