{"id":165990,"date":"2025-01-20T16:14:47","date_gmt":"2025-01-20T15:14:47","guid":{"rendered":"https:\/\/stratec-med.com\/literatur\/differences-in-the-cortical-structure-of-the-whole-fibula-and-tibia-between-long-distance-runners-and-untrained-controls-toward-a-wider-conception-of-the-biomechanical-regulation-of-cortical-bone-st-2\/"},"modified":"2025-01-20T16:14:47","modified_gmt":"2025-01-20T15:14:47","slug":"differences-in-the-cortical-structure-of-the-whole-fibula-and-tibia-between-long-distance-runners-and-untrained-controls-toward-a-wider-conception-of-the-biomechanical-regulation-of-cortical-bone-st-2","status":"publish","type":"literatur","link":"https:\/\/stratec-med.com\/en\/literature\/differences-in-the-cortical-structure-of-the-whole-fibula-and-tibia-between-long-distance-runners-and-untrained-controls-toward-a-wider-conception-of-the-biomechanical-regulation-of-cortical-bone-st-2\/","title":{"rendered":"Differences in the Cortical Structure of the Whole Fibula and Tibia Between Long-Distance Runners and Untrained Controls. Toward a Wider Conception of the Biomechanical Regulation of Cortical Bone Structure"},"content":{"rendered":"<p>The cortical structure of human fibula varies widely throughout the bone suggesting<br \/>\na more selective adaptation to different mechanical environments with respect to the<br \/>\nadjacent tibia. To test this hypothesis, serial-pQCT scans of the dominant fibulae and<br \/>\ntibiae of 15\/15 men\/women chronically trained in long-distance running were compared<br \/>\nwith those of 15\/15 untrained controls. When compared to controls, the fibulae of trained<br \/>\nindividuals had similar (distally) or lower (proximally) cortical area, similar moments of<br \/>\ninertia (MI) for anterior-posterior bending (xMI) and lower for lateral bending (yMI) with<br \/>\na lower \u201cshape-index\u201d (yMI\/xMI ratio) throughout, and higher resistance to buckling<br \/>\ndistally. These group differences were more evident in men and independent of group<br \/>\ndifferences in bone mass. These results contrast with those observed in the tibia, where,<br \/>\nas expected, structural indicators of bone strength were greater in trained than untrained<br \/>\nindividuals. Proximally, the larger lateral flexibility of runners\u2019 fibulae could improve the<br \/>\nability to store energy, and thereby contribute to fast-running optimization. Distally, the<br \/>\ngreater lateral fibular flexibility could reduce bending strength. The latter appears to have<br \/>\nbeen compensated by a higher buckling strength. Assuming that these differences could<br \/>\nbe ascribed to training effects, this suggests that usage-derived strains in some bones<br \/>\nmay modify their relative structural resistance to different kinds of deformation in different<br \/>\nregions, not only regarding strength, but also concerning other physiological roles of<br \/>\nthe skeleton.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The cortical structure of human fibula varies widely throughout the bone suggesting a more selective adaptation to different mechanical environments<\/p>\n","protected":false},"author":22,"parent":0,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false},"tags":[2014,2016,2017,2013,1371,2015],"thema":[5870,5866,5928,5930,5868,5920],"produktgruppe":[5825],"literatur_kategorie":[7221],"class_list":["post-165990","literatur","type-literatur","status-publish","format-standard","hentry","tag-bone-biomechanics","tag-bone-mechanostat","tag-exercise-and-bone","tag-fibula","tag-pqct","tag-running","thema-basics","thema-diagnostics-using-leonardo-pqct","thema-mechanostat-en","thema-msucle-bone-interaction","thema-over-all-concept","thema-pre-clinical-research","produktgruppe-pqct-en","literatur_kategorie-clinical-studies"],"acf":[],"_links":{"self":[{"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/literatur\/165990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/literatur"}],"about":[{"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/types\/literatur"}],"author":[{"embeddable":true,"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/users\/22"}],"version-history":[{"count":0,"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/literatur\/165990\/revisions"}],"wp:attachment":[{"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/media?parent=165990"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/tags?post=165990"},{"taxonomy":"thema","embeddable":true,"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/thema?post=165990"},{"taxonomy":"produktgruppe","embeddable":true,"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/produktgruppe?post=165990"},{"taxonomy":"literatur_kategorie","embeddable":true,"href":"https:\/\/stratec-med.com\/en\/wp-json\/wp\/v2\/literatur_kategorie?post=165990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}