Department of Nutrition and Hospitality Management, University of Mississippi, University, Mississippi; and.
Department of Health, Exercise Science, and Recreation Management, University of Mississippi, University, Mississippi.
J Strength Cond Res. 2021 Jan 1;35(1):227-232. doi: 10.1519/JSC.0000000000002408.
Giffin, KL, Knight, KB, Bass, MA, and Valliant, MW. Predisposing risk factors and stress fractures in collegiate cross-country runners. J Strength Cond Res 35(1): 227-232, 2021-The purpose of this study was to explore factors associated with increased stress fractures in collegiate cross-country runners. Subjects in this study were 42 male and female cross-country runners at a Division I university. Each athlete completed a questionnaire regarding smoking status, vitamin/mineral intake, previous stress fracture history, birth control usage, menstrual status, and demographic information. Nutritional assessment using a 3-day food record and measurements of whole body, lumbar spine, and hip bone mineral densities (BMDs) were also conducted on each athlete. Results indicated that 40% of the female and 35% of the male runners reported a history of stress fracture, and that all of them did not meet the recommended daily energy intake or adequate intakes for calcium or vitamin D required for their amount of training. Two-tailed t-test found statistically higher incidences of lumbar spine BMD in male and female runners whose daily calcium and vitamin D intakes were below minimum requirements as well as for women whose caloric intake was below the required level. When data on the lumbar spine was evaluated, 31% of subjects (31.8% of the male and 30% of the female runners) were identified as having osteopenia and 4.8% with osteoporosis. Results warrant a need for future longitudinal studies.
格里芬，KL，奈特，KB，巴斯，MA 和瓦林特，MW。大学生越野跑运动员的易患风险因素和应力性骨折。J 力量与调节研究 35(1):227-232，2021-本研究的目的是探讨与大学生越野跑运动员应力性骨折发生率增加相关的因素。本研究的受试者为一所一级大学的 42 名男女越野跑运动员。每位运动员都填写了一份关于吸烟状况、维生素/矿物质摄入、既往应力性骨折史、避孕药使用、月经状况和人口统计学信息的问卷。还对每位运动员进行了 3 天的食物记录和全身、腰椎和髋部骨密度（BMD）的营养评估。结果表明，40%的女性和 35%的男性跑步者报告有应力性骨折史，他们都没有达到推荐的每日能量摄入或满足其训练量所需的钙和维生素 D 的充足摄入量。双尾 t 检验发现，每日钙和维生素 D 摄入量低于最低要求的男性和女性跑步者的腰椎 BMD 发生率以及热量摄入低于所需水平的女性跑步者的腰椎 BMD 发生率更高。当评估腰椎数据时，31%的受试者（31.8%的男性和 30%的女性跑步者）被确定为患有骨质疏松症，4.8%的女性患有骨质疏松症。结果表明需要进行未来的纵向研究。
