نتایج جستجو برای: lumbar moments

تعداد نتایج: 71787  

Journal: :Nihon kikai gakkai ronbunshu 2023

Currently, elderly people of 65 years and older constitute 29.1% Japan’s population. Frail patients are 8.7% all older. Frailty is a weak state both physically mentally. The probability illness increases with age. Pole walking an exercise designed to improve muscle strength thereby prevent frailty in people. This study applied musculoskeletal model analysis during pole normal clarify training e...

Journal: :Saudi medical journal 2015
Shujie Tang

OBJECTIVES To compare the influence of posterior lumbar interbody fusion (PLIF) and transforaminal lumbar interbody fusion (TLIF) on adjacent segment degeneration (ASD). METHODS The study was carried out in the Traumatology and Orthopedics Laboratory, Department of Traditional Chinese Medicine, Medical School, Jinan University, Guangzhou, China, between December 2013 and November 2014. A norm...

2017
Siti Nurfaezah Zahari Mohd Juzaila Abd Latif Nor Raihanah Abdull Rahim Mohammed Rafiq Abdul Kadir Tunku Kamarul

The present study was conducted to examine the effects of body weight on intradiscal pressure (IDP) and annulus stress of intervertebral discs at lumbar spine. Three-dimensional finite element model of osseoligamentous lumbar spine was developed subjected to follower load of 500 N, 800 N, and 1200 N which represent the loads for individuals who are normal and overweight with the pure moments at...

Journal: :Ergonomics 2017
Eric B Weston Safdar N Khan William S Marras

The objective of this study was to determine how simulated manual wheelchair pushing influences biomechanical loading to the lumbar spine and shoulders. Sixty-two subjects performed simulated wheelchair pushing and turning in a laboratory. An electromyography-assisted biomechanical model was used to estimate spinal loads. Moments at the shoulder joint, external hand forces and net turning torqu...

Journal: :Journal of science and medicine in sport 2016
Helen Bayne Bruce Elliott Amity Campbell Jacqueline Alderson

OBJECTIVES This study aimed to identify modifiable mechanisms associated with low back injury in adolescent cricket fast bowlers. DESIGN A prospective study design examined the association between intrinsic risk factors, workload, bowling kinematics, lumbar load and low back injury incidence. METHODS Twenty-five injury free fast bowlers, aged 14-19 years, were assessed prior to the start of...

Journal: :Proceedings of the National Academy of Sciences 1929

Journal: :Revista brasileira de anestesiologia 2002
Pedro Wanderley de Aragão João de Oliveira Prazeres Vânia Maria de Farias Aragão Carlos Alberto de Souza Martins

BACKGROUND AND OBJECTIVES Systemic arterial hypertension affects approximately 20% of the world population, depending on the interaction between genetic predisposition and environmental factors. Stresses inherent to the anesthesiologists work might reflect in the cardiovascular system, influencing professionals blood pressure. This study aimed at verifying whether the practice of anesthesia is ...

1998
Michael Junk

The simplest system in Levermore’s moment hierarchy involving moments higher than second order is the five–moment closure. It is obtained by taking velocity moments of the one–dimensional Boltzmann equation under the assumption that the velocity distribution is a maximum–entropy function. The moment vectors for which a maximum–entropy function exist consequently make up the domain of definition...

2017
Sébastien Pesenti Benjamin Blondel Emilie Peltier Elke Viehweger Vincent Pomero Guillaume Authier Stéphane Fuentes Jean-Luc Jouve

AIM To describe, using gait analysis, the development of spinal motion in the growing child. METHODS Thirty-six healthy children aged from 3 to 16 years old were included in this study for a gait analysis (9 m-walk). Various kinematic parameters were recorded and analyzed such as thoracic angle (TA), lumbar angle (LA) and sagittal vertical axis (SVA). The kinetic parameters were the net react...

Journal: :journal of computer and robotics 0
sara salkhordeh department of electrical, biomedical and mechatronic engineering, qazvin branch, islamic azad university, qazvin, iran hamidreza rashidy kanan department of electrical, biomedical and mechatronic engineering, qazvin branch, islamic azad university, qazvin, iran

the goal of multi-frame super resolution (sr) is to fuse multiple low resolution (lr) images to produce one high resolution (hr) image. the major challenge of classic sr approaches is accurate motion estimation between the frames. to handle this challenge, fuzzy motion estimation method has been proposed that replaces value of each pixel using the weighted averaging all its neighboring pixels i...

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