نتایج جستجو برای: leg problem

تعداد نتایج: 927942  

Journal: :Transportation Science 2014
S. Ilker Birbil J. B. G. Frenk Joaquim A. S. Gromicho Shuzhong Zhang

We propose a framework for solving airline revenue management problems on large networks, where the main concern is to allocate the flight leg capacities to customer requests under fixed class fares. This framework is based on a mathematical programming model that decomposes the network into origin-destination pairs so that each pair can be treated as a single flight leg problem. We first discu...

2015
Wen-Dien Chang Nai-Jen Chang Hung-Yu Lin Ping-Tung Lai

Toe-in gait and crouch gait can make children with mild cerebral palsy fall and suffer improper balance during walking or ambulation training. A customized external strap orthosis for correcting leg alignment was used to resolve this problem. The purpose of this study was to research the immediate effects while wearing the customized external strap orthosis. Pressure platform was used to assess...

Journal: :Annals of plastic surgery 2007
Chin-Ho Wong Bien-Keem Tan

The local fasciocutaneous flap has the advantage of low donor-site morbidity when used for the coverage of lower limb defects. However, flap reliability remains a major problem with its use. The purpose of this study was to determine the feasibility of preserving perforators to the tip of conventional local fasciocutaneous flaps to improve its vascularity. The technical considerations of raisin...

Journal: :physical treatments 0
mojtaba ashrostaghi department of physical education and sport sciences, faculty of physical education and sport sciences, kharazmi university, tehran, iran. heydar sadeghi department of physical education and sport sciences, faculty of physical education and sport sciences, kharazmi university, tehran, iran. elham shirzad department of physical education and sport sciences, faculty of physical education and sport sciences, kharazmi university, tehran, iran.

purpose: core stability and leg stiffness are two determinant mechanisms in athletic performance and risk injury. this study aimed to investigate the gender differences and relationship of these two factors in athletes. methods: in this cross-sectional study, core stability and leg stiffness of 12 male and 12 female iranian squash players at national level were examined utilizing mcgill’s test ...

1997
EULALIA MORENO LUIS M. CARRASCAL

We studied the relationship between leg morphology and posture while feeding in a population of great tits (Parus major) under controlled conditions to investigate to what extent morphology and ecology are linked at the individual level. From predictions generated at the interspecific level within the genus Parus (Moreno & Carrascal 1993), we tested whether intraand interspecific ecomorphologic...

Journal: :Deutsches Arzteblatt international 2011
Birgit Kahle Hans-Joachim Hermanns Georg Gallenkemper

BACKGROUND Chronic leg ulcers are defined as those that show no tendency to heal after 3 months of appropriate treatment or are still not fully healed at 12 months. In this article, we present an approach to the challenging problem of chronic leg ulcers that is based on the principles of evidence-based medicine, i.e., the explicit use of the best available scientific evidence as a guide to trea...

Journal: :Kathmandu University medical journal 2014
N P Parajuli D Shrestha N Panse

BACKGROUND Any soft tissue defect in distal leg, ankle and hind foot is still a challenging problem. There are various options for coverage of such defects, but the distally based sural neurocutaneous and neurofascial flap based on the sural nerve and superficial sural artery has been an important option. OBJECTIVE To evaluate the efficacy of distally based sural flap in reconstruction of the...

Journal: :Acta dermatovenerologica Croatica : ADC 2005
Maria Zmudzińska Magdalena Czarnecka-Operacz Wojciech Silny

Effective treatment of frequently infected, poorly healing wounds such as leg ulcers due to chronic venous insufficiency poses a major clinical problem. Antibiotic resistance in dermatology patients, especially those with non-healing leg ulcers, is a widespread phenomenon. Various antibiotics, mainly broad-spectrum agents, are frequently and sometimes inappropriately prescribed, which often lea...

Journal: :Human movement science 2014
Torsten Brauner Thorsten Sterzing Mathias Wulf Thomas Horstmann

Leg stiffness is a predictor of athletic performance and injury and typically evaluated during bilateral hopping. The contribution of each limb to bilateral leg stiffness, however, is not well understood. This study investigated leg stiffness during unilateral and bilateral hopping to address the following research questions: (1) does the magnitude and variability of leg stiffness differ betwee...

Journal: :Journal of theoretical biology 2011
Yvonne Blum Aleksandra Birn-Jeffery Monica A Daley Andre Seyfarth

Humans and birds both walk and run bipedally on compliant legs. However, differences in leg architecture may result in species-specific leg control strategies as indicated by the observed gait patterns. In this work, control strategies for stable running are derived based on a conceptual model and compared with experimental data on running humans and pheasants (Phasianus colchicus). From a mode...

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