نتایج جستجو برای: braces

تعداد نتایج: 2915  

Journal: :Journal of Algebra 2022

Braces were introduced by W. Rump in 2006 as an algebraic system related to the quantum Yang—Baxter equation. In 2017, L. Guarnieri and Vendramin defined for same purposes a more general notion of skew left brace. 2020, Guo, H. Lang Y. Sheng gave definition what is Rota—Baxter operator on group. We connect these two notions follows. It shown that every group gives rise Moreover, brace can be in...

Journal: :British journal of sports medicine 1991
Y Tegner R Lorentzon

In this retrospective investigation we have determined the rate and types of knee injuries among Swedish ice hockey players, and related these data to the use of knee braces. Thirty-seven of the originally selected 50 hockey teams (74%) of elite or first division calibre took part in the study, and 600 players answered a questionnaire. A total of 254 previous knee injuries sustained while playi...

Journal: :The Knee 2015
B Pierrat R Oullion J Molimard L Navarro M Combreas S Avril R Philippot P Calmels

BACKGROUND The knee joint is vulnerable to various injuries and degenerative conditions, potentially leading to functional instability. Usual treatments involve knee orthoses to support the joint. However, the level of mechanical action of these devices remains controversial despite high prescription and demand. METHODS The mechanical ability of three commercial hinged knee braces and one sle...

2017
Renshu Yang Qinghai Li Qing Li Xianlei Zhu

There is high demand for roadway support in coal mines for the swelling soft rocks. As high strength steel sets can be taken as an effective alternative to control large deformation in this type of rocks, based on an original set, three new sets, including a floor beam set, a roof and floor beams set, and a roof and floor beams and braces set, are proposed in this research. In order to examine ...

Journal: :Journal of Pure and Applied Algebra 2018

Journal: :Experimental Mathematics 2018

2012
Geoffrey S. Van Thiel Joseph Barker Bernard R. Bach

Knee injuries represent the most common problem facing the sports medicine community. As sports participation continues to increase, so does the likelihood of sustaining a debilitating knee impairment. Thus, prevention, treatment, and rehabilitation of these injuries are important to both the athlete and the treating physician. Surgery is often a viable option; however, most of these injuries a...

Journal: :Spine 2010
Stefano Negrini Silvia Minozzi Josette Bettany-Saltikov Fabio Zaina Nachiappan Chockalingam Theodoros B Grivas Tomasz Kotwicki Toru Maruyama Michele Romano Elias S Vasiliadis

STUDY DESIGN Cochrane systematic review. OBJECTIVE To evaluate the efficacy of bracing in adolescent patients with adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA AIS is a 3-dimensional deformity of the spine. Although AIS can progress during growth and cause a surface deformity, it is usually not symptomatic. However, in adulthood, if the final spinal curvature surpasses ...

2010
JC de Mauroy HR Weiss AG Aulisa L Aulisa JI Brox J Durmala C Fusco TB Grivas J Hermus T Kotwicki G Le Blay A Lebel L Marcotte S Negrini L Neuhaus T Neuhaus P Pizzetti L Revzina B Torres PJM Van Loon E Vasiliadis M Villagrasa M Werkman M Wernicka MS Wong F Zaina

UNLABELLED : Thoracic hyperkyphosis is a frequent problem and can impact greatly on patient's quality of life during adolescence. This condition can be idiopathic or secondary to Scheuermann disease, a disease disturbing vertebral growth. To date, there is no sound scientific data available on the management of this condition. Some studies discuss the effects of bracing, however no guidelines, ...

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