Mechanical Properties of Human Patellar Tendon at 1 the Hierarchical levels of Tendon and Fibril 2
نویسندگان
چکیده
René B. Svensson, Philip Hansen, Tue Hassenkam, Bjarki T. Haraldsson, Per 3 Aagaard, Vuokko Kovanen, Michael Krogsgaard, Michael Kjaer, S. Peter 4 Magnusson 5 6 Institute of Sports Medicine Copenhagen, Bispebjerg Hospital & Center for Healthy 7 Aging, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark 8 Nano-Science Center, University of Copenhagen, Copenhagen, Denmark 9 Institute of Sports Science and Clinical Biomechanics, University of Southern 10 Denmark, Odense, Denmark 11 Department of Health Sciences, Biochemistry Laboratory, University of Jyväskylä, 12 Jyväskylä, Finland; 13 Department of Orthopedic Surgery, Bispebjerg Hospital, Copenhagen, Denmark 14 15 16 Running Title: Patellar Tendon Hierarchy Mechanics 17 18 19 Corresponding Author: 20 René Brüggebusch Svensson 21 Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, Building 8, 1. floor 22 Bispebjerg Bakke 23, 2400 Copenhagen NV, Denmark 23 Phone: +45 25684387 24 Fax: +45 35312733 25 E-mail: [email protected] 26 27 Articles in PresS. J Appl Physiol (November 23, 2011). doi:10.1152/japplphysiol.01172.2011
منابع مشابه
Mechanical properties of human patellar tendon at the hierarchical levels of tendon and fibril.
Tendons are strong hierarchical structures, but how tensile forces are transmitted between different levels remains incompletely understood. Collagen fibrils are thought to be primary determinants of whole tendon properties, and therefore we hypothesized that the whole human patellar tendon and its distinct collagen fibrils would display similar mechanical properties. Human patellar tendons (n ...
متن کاملIs there any Correlation Between Patient Height and Patellar Tendon Length?
Background: A potential specific problem of patellar tendon graft in ACL reconstruction is the possibility of graft-tunnel mismatch which could be more problematic with anatomic ACL reconstruction where the femoral tunnel is placed low on the lateral wall of the lateral femoral condyle. The occasional occurrence of this mismatch raises the question that whether a correlation exists between pat...
متن کاملLower strength of the human posterior patellar tendon seems unrelated to mature collagen cross-linking and fibril morphology.
The human patellar tendon is frequently affected by tendinopathy, but the etiology of the condition is not established, although differential loading of the anterior and posterior tendon may be associated with the condition. We hypothesized that changes in fibril morphology and collagen cross-linking would parallel differences in material strength between the anterior and posterior tendon. Tend...
متن کاملImpact of oral contraceptive use and menstrual phases on patellar tendon morphology, biochemical composition, and biomechanical properties in female athletes.
Sex differences exist with regards to ligament and tendon injuries. Lower collagen synthesis has been observed in exercising women vs. men, and in users of oral contraceptives (OC) vs. nonusers, but it is unknown if OC will influence tendon biomechanics of women undergoing regular training. Thirty female athletes (handball players, 18-30 yr) were recruited: 15 long-term users of OC (7.0 ± 0.6 y...
متن کاملEffect of age on collagen fibril diameter in rabbit patellar tendon repair.
The effect of aging on soft tissue repair is poorly understood. We examined collagen fibril diameter in repairing patellar tendons from young adult and aging rabbits. We hypothesized that repairing tendons from older (geriatric) rabbits would have similar diameter fibrils compared with the younger (young adult) rabbits. Full-length, full-thickness, central-third (2.5 to 3 mm) patellar tendon in...
متن کامل