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The density was determined by the Compton scattering technique, which has been developed in our laboratory; this method provides the bone mass of all bone constituents per unit volume. The distribution curve of the bone density in both tibiae shifted to higher values at the end of the training period. The mean bone density in the right and left tibia increased significantly by 7.5%. This study indicates that following an intensive physical exercise regime, a significant increase in the mass density of bone can be obtained in young adults within a short period.<\/jats:p>","DOI":"10.1002\/jor.1100070112","type":"journal-article","created":{"date-parts":[[2005,2,24]],"date-time":"2005-02-24T12:50:10Z","timestamp":1109249410000},"page":"86-90","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":67,"title":["Gain in mass density of bone following strenuous physical activity"],"prefix":"10.1002","volume":"7","author":[{"given":"Isaac","family":"Leichter","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ariel","family":"Simkin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph Y.","family":"Margulies","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arye","family":"Bivas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raya","family":"Steinberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Giladi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charles","family":"Milgrom","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,2,18]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-89-3-356"},{"key":"e_1_2_1_3_2","first-page":"1","article-title":"Bilateralism of EMG profiles in human locomotion","volume":"65","author":"Arsenault AB","year":"1986","journal-title":"Am J Phys Med"},{"key":"e_1_2_1_4_2","first-page":"1","article-title":"The relationship between in vivo strains and cortical bone remodelling","volume":"8","author":"Carter DR","year":"1982","journal-title":"Crit Rev Biomed Eng"},{"key":"e_1_2_1_5_2","first-page":"173","article-title":"Mechanical influences in bone remodelling. 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