A prospective study of the effect of a shock-absorbing orthotic device on the incidence of stress fractures in military recruits.
ABSTRACT In a prospective study of stress fractures the hypothesis that a shock-absorbing orthotic device worn within military boots could lessen the incidence of stress fractures was tested. The incidence of metatarsal, tibial, and femoral stress fractures was lower in the orthotic group, but only the latter difference was statistically significant. The time of onset and the location of stress fractures between orthotic and nonorthotic users did not differ. These findings suggest that the incidence of femoral stress fractures, which are the most dangerous type of stress fracture because of their high risk of developing into displaced fractures, can be reduced by an orthotic device.
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Conference Paper: Calcaneus Stress Fractures: a Finite Element Analysis[Show abstract] [Hide abstract]
ABSTRACT: Shock absorption strategies targeted at reducing ground reaction forces during impact have been unsuccessful in decreasing stress fracture development in the calcaneus. We hypothesize that the critical loads on the calcaneus are instead due to muscles forces. We performed a finite element analysis to estimate the time-evolution of stresses in the calcaneus during single support phase of a self-paced walk. Local stresses were found to be higher than the yield stress and located at the interface between the calcaneus and the Achilles' tendon. This supports the hypothesis that stress fractures are likely to be the effect of muscles forces rather than the impact of the foot to the ground.41st Annual Northeast Bioengineering Conference (NEBEC), Troy, NY; 04/2015
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ABSTRACT: This article is an introduction to the fundamentals of stress fracture management. Extrinsic and intrinsic factors, that may play a role in the development of stress fractures, are discussed and incorporated as possible treatment options. Different treatment modalities including ultrasound and electromagnetic fields are addressed, with an emphasis on literature support.Clinics in sports medicine 02/2006; 25(1):29-36, vii. DOI:10.1016/j.csm.2005.08.013 · 2.58 Impact Factor
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ABSTRACT: The foot and ankle are critical components in our ability to ambulate. Injuries to either can significantly interfere with a patient's ability to carry out normal activities. In severe cases, they can be devastating to a patient's independence. Careful examination of the foot and ankle using established mechanical tests, along with understanding of the anatomy of the complex,is needed to confirm the history and to assist in the diagnosis and treatment of foot and ankle injuries. The following points are key to clinical examination of the foot and ankle: . The examination of the foot and ankle needs to be done with the patient in both weight-bearing and non-weight bearing positions. . The examination of the foot and ankle should include an evaluation of the patient's gait. . Reproduction of a patient's symptoms is the key to making a correct diagnosis. . Although anatomic variants may predispose some individuals to injury,in general, if asymptomatic, no treatment should be done.Primary Care Clinics in Office Practice 04/2005; 32(1):105-32. DOI:10.1016/j.pop.2004.11.002 · 0.83 Impact Factor