نتایج جستجو برای: sagittal line

تعداد نتایج: 421993  

2016
Akihiko Toda Kazunari Ishida Tomoyuki Matsumoto Hiroshi Sasaki Koji Takayama Ryosuke Kuroda Masahiro Kurosaka Nao Shibanuma

Background/Objective The success of unicompartmental knee arthroplasty (UKA) is highly dependent on the accuracy of component and leg alignment. Computer-assisted surgery is gaining popularity in total knee arthroplasty with numerous studies reporting improved accuracy and decreased variability in implant position and postoperative limb alignment compared with conventional techniques. However, ...

Journal: :Applied optics 2011
Davide Bleiner Jürg E Balmer Felix Staub

A computational study of line-focus generation was done using a self-written ray-tracing code and compared to experimental data. Two line-focusing geometries were compared, i.e., either exploiting the sagittal astigmatism of a tilted spherical mirror or using the spherical aberration of an off-axis-illuminated spherical mirror. Line focusing by means of astigmatism or spherical aberration showe...

Journal: :Journal of rehabilitation research and development 2005
Hideyuki Hirose

This study investigated the use of the geometric alignment of two frontal lines (the sternum and abdominal) for predicting alignment of the thoracic and lumbar spines and for measuring wheelchair-seated posture. The sternum line connects the upper sternum point and the lower sternum point. The abdominal line connects the lower sternum point and the center point between the right and left anteri...

Behnaz Poorian, Hasan Mohajerani

Background and Objectives: Split sagittal osteotomy is a common operation that may induce inferior alveolar nerve (IAN) damage, potentially leading to sensory deficit, numbness, and pain. Investigations in Iran to evaluate the adverse effects of sagittal split osteotomy surgery are rare so questions have been raised about the success rate of operatio...

2016
W. J. Wang F. Liu Y.W. Zhu M.H. Sun Y. Qiu W. J. Weng

OBJECTIVES Normal sagittal spine-pelvis-lower extremity alignment is crucial in humans for maintaining an ergonomic upright standing posture, and pathogenesis in any segment leads to poor balance. The present study aimed to investigate how this sagittal alignment can be affected by severe knee osteoarthritis (KOA), and whether associated changes corresponded with symptoms of lower back pain (LB...

Journal: :journal of dentistry, tehran university of medical sciences 0
atefe saffar shahroudi assistant professor, dental research center, tehran university of medical sciences, department of orthodontics, school of dentistry, lorestan university of medical sciences, khoram-abad, iran. tahura etezadi assistant professor, dental research center, tehran university of medical sciences, department of orthodontics, school of dentistry, lorestan university of medical sciences, khoram-abad, iran.

dental arch form is one of the most important characteristics of dentition. however, this dimension usually receives less attention in diagnosis or treatment planning and orthodontic patients are traditionally classified with regard to their sagittal characteristics. the objectives of this study were to investigate if a relationship exists between the dental arch width (transverse dimension) an...

2002
Kale Harbick Gaurav S. Sukhatme

We discuss a speed controller for a hopping robot with a pneumatically powered leg. The controller uses a neural network to model the neutral point as a function of running speed and hopping height. The network is trained off-line using training data taken from a simulated hopper that is manually controlled by a human. Simulation experiments of hopping in the sagittal plane show improved perfor...

2018
Albert Vincent Berthier Brasil Pablo Ramon Fruett da Costa Antonio Delacy Martini Vial Gabriel da Costa Barcellos Eduardo Balverdu Zauk Paulo Valdeci Worm Marcelo Paglioli Ferreira Nelson Pires Ferreira

Background Previous studies on the correlation between cervical sagittal balance with improvement in quality of life showed significant results only for parameters of the anterior translation of the cervical spine (such as C2-C7 SVA). Objective We test whether a new parameter, cervicothoracic lordosis, can predict clinical success in this type of surgery. Methods The focused group involved ...

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