Cross-sectional size, shape, and estimated strength of the tibia, fibula and second metatarsal in female collegiate-level cross-country runners and soccer players

IF 3.5 2区 医学 Q2 ENDOCRINOLOGY & METABOLISM Bone Pub Date : 2024-08-09 DOI:10.1016/j.bone.2024.117233
Austin M. Sventeckis , Rachel K. Surowiec , Robyn K. Fuchs , Stuart J. Warden
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Abstract

Bone stress injuries (BSIs) frequently occur in the leg and foot long bones of female distance runners. A potential means of preventing BSIs is to participate in multidirectional sports when younger to build a more robust skeleton. The current cross-sectional study compared differences in tibia, fibula, and second metatarsal diaphysis size, shape, and strength between female collegiate-level athletes specialized in cross-country running (RUN, n = 16) and soccer (SOC, n = 16). Assessments were performed using high-resolution peripheral quantitative computed tomography and outcomes corrected for measures at the radius diaphysis to control for selection bias and systemic differences between groups. The tibia in SOC had a 7.5 % larger total area than RUN, with a 29.4 % greater minimum second moment of area (IMIN) and 8.2 % greater estimated failure load (all p ≤ 0.02). Tibial values in SOC exceeded reference data indicating positive adaptation. In contrast, values in RUN were similar to reference data suggesting running induced limited tibial adaptation. RUN did have a larger ratio between their maximum second moment of area (IMAX) and IMIN than both SOC and reference values. This suggests the unidirectional loading associated with running altered tibial shape with material distributed more in the anteroposterior (IMAX) direction as opposed to the mediolateral (IMIN) direction. Comparatively, SOC had a similar IMAX/IMIN ratio to reference data suggesting the larger tibia in SOC resulted from multiplane adaptation. In addition to enhanced size and strength of their tibia, SOC had enhanced structure and strength of their fibula and second metatarsal. At both sites, polar moment of inertia was approximately 25 % larger in SOC compared to RUN (all p = 0.03). These data support calls for young female athletes to delay specialization in running and participate in multidirectional sports, like soccer, to build a more robust skeleton that is potentially more protected against BSIs.

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女大学生越野跑运动员和足球运动员胫骨、腓骨和第二跖骨的横截面尺寸、形状和估计强度。
女性长跑运动员的腿部和脚部长骨经常会出现骨应力损伤(BSI)。预防 BSI 的一个潜在方法是在年轻时参加多向运动,以建立更强健的骨骼。本横断面研究比较了专门从事越野跑(RUN,n = 16)和足球(SOC,n = 16)运动的女大学生运动员在胫骨、腓骨和第二跖骨干骺端的尺寸、形状和强度方面的差异。评估采用高分辨率外周定量计算机断层扫描,并对桡骨干骺端的测量结果进行校正,以控制选择偏差和组间系统性差异。SOC组的胫骨总面积比RUN组大7.5%,最小第二面积力矩(IMIN)比RUN组大29.4%,估计破坏负荷比RUN组大8.2%(所有P均≤0.02)。SOC 中的胫骨值超过了参考数据,表明适应性良好。相比之下,RUN 的值与参考数据相似,表明跑步引起的胫骨适应性有限。与 SOC 和参考值相比,RUN 的最大第二面积矩 (IMAX) 与 IMIN 之间的比率确实更大。这表明与跑步相关的单向负荷改变了胫骨形状,材料更多地分布在前胸(IMAX)方向,而不是内外侧(IMIN)方向。相比之下,SOC 的 IMAX/IMIN 比值与参考数据相似,这表明 SOC 中较大的胫骨是多平面适应的结果。除了胫骨的尺寸和强度得到增强外,SOC 的腓骨和第二跖骨的结构和强度也得到了增强。在这两个部位,SOC 的极惯性矩比 RUN 大约 25%(所有 p = 0.03)。这些数据支持了年轻女运动员推迟专门从事跑步并参加多方向运动(如足球)的呼吁,以建立更坚固的骨骼,从而更好地抵御 BSI。
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来源期刊
Bone
Bone 医学-内分泌学与代谢
CiteScore
8.90
自引率
4.90%
发文量
264
审稿时长
30 days
期刊介绍: BONE is an interdisciplinary forum for the rapid publication of original articles and reviews on basic, translational, and clinical aspects of bone and mineral metabolism. The Journal also encourages submissions related to interactions of bone with other organ systems, including cartilage, endocrine, muscle, fat, neural, vascular, gastrointestinal, hematopoietic, and immune systems. Particular attention is placed on the application of experimental studies to clinical practice.
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