{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T22:03:55Z","timestamp":1790805835925,"version":"4.1.0"},"reference-count":76,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2010,8,13]],"date-time":"2010-08-13T00:00:00Z","timestamp":1281657600000},"content-version":"vor","delay-in-days":12,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000182","name":"Medical Research and Materiel Command","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000182","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["PM&amp;R"],"published-print":{"date-parts":[[2010,8]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To identify nutrients, foods, and dietary patterns associated with stress fracture risk and changes in bone density among young female distance runners.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design and Setting<\/jats:title><jats:p>Two\u2010year, prospective cohort study. Observational data were collected in the course of a multicenter randomized trial of the effect of oral contraceptives on bone health.<\/jats:p><\/jats:sec><jats:sec><jats:title>Participants<\/jats:title><jats:p>One hundred and twenty\u2010five female competitive distance runners ages 18\u201026 years.<\/jats:p><\/jats:sec><jats:sec><jats:title>Assessment of Risk Factors<\/jats:title><jats:p>Dietary variables were assessed with a food frequency questionnaire.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main Outcome Measurements<\/jats:title><jats:p>Bone mineral density and content (BMD\/BMC) of the spine, hip, and total body were measured annually by dual x\u2010ray absorptiometry (DEXA). Stress fractures were recorded on monthly calendars, and had to be confirmed by radiograph, bone scan, or magnetic resonance imaging.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Seventeen participants had at least one stress fracture during follow\u2010up. Higher intakes of calcium, skim milk, and dairy products were associated with lower rates of stress fracture. Each additional cup of skim milk consumed per day was associated with a 62% reduction in stress fracture incidence (<jats:italic>P<\/jats:italic> &lt; .05); and a dietary pattern of high dairy and low fat intake was associated with a 68% reduction (<jats:italic>P<\/jats:italic> &lt; .05). Higher intakes of skim milk, dairy foods, calcium, animal protein, and potassium were associated with significant (<jats:italic>P<\/jats:italic> &lt; .05) gains in whole\u2010body BMD and BMC. Higher intakes of calcium, vitamin D, skim milk, dairy foods, potassium, and a dietary pattern of high dairy and low fat were associated with significant gains in hip BMD.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In young female runners, low\u2010fat dairy products and the major nutrients in milk (calcium, vitamin D, and protein) were associated with greater bone gains and a lower stress fracture rate. Potassium intake was also associated with greater gains in hip and whole\u2010body BMD.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.pmrj.2010.04.020","type":"journal-article","created":{"date-parts":[[2010,8,14]],"date-time":"2010-08-14T05:21:11Z","timestamp":1281763271000},"page":"740-750","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":143,"title":["Nutritional Factors That Influence Change in Bone Density and Stress Fracture Risk Among Young Female Cross\u2010Country Runners"],"prefix":"10.1002","volume":"2","author":[{"given":"Jeri W.","family":"Nieves","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathryn","family":"Melsop","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meredith","family":"Curtis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer 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