نتایج جستجو برای: hyperextension
تعداد نتایج: 601 فیلتر نتایج به سال:
Hypopharyngeal perforation following minor trauma: a case report and literature review c A rare complication of non-penetrating blunt neck trauma, hypopharyngeal perforation is mainly reported in association with high velocity road traffic accidents. The proposed injury mechanism is neck hyperextension associated with airway closure due to cervical compression against the steering wheel. Low ve...
etiology of the ACL. To provide the data for testing this hypothesis, liquid mercury M. L. Hull 1 strain gages were installed on both the anteromedial (AMB) and posterolateral Professor of Mechanical Engineering (PLB) bundles of the ACL of ten specimens, which were then subjected to passive and Chair of Biomedical Engineering, flexion/extension, hyperextension moment, anterior force, internal a...
BACKGROUND Active spondylolysis is an acquired lesion in the pars interarticularis and is a common cause of low back pain in the young athlete. OBJECTIVES To evaluate whether the one-legged hyperextension test can assist in the clinical detection of active spondylolysis and to determine whether magnetic resonance imaging (MRI) is equivalent to the clinical gold standard of bone scintigraphy a...
Quantifying elbow extension and elbow hyperextension in cricket bowling: a case study of Jenny Gunn.
In this study a method for determining elbow extension and elbow abduction for a cricket bowling delivery was developed and assessed for Jenny Gunn who has hypermobility in both elbows and whose bowling action has been repeatedly queried by umpires. Bowling is a dynamic activity which is assessed visually in real time in a cricket match by an umpire. When the legality of a bowler's action is qu...
BACKGROUND The purpose of our study was to determine whether postoperative sagittal component alignments of primary total knee arthroplasty (TKA) using the conventional and navigated technique differed significantly. Additionally, we determined whether the use of navigation systems resulted in hyperextension of the femoral components in Chinese patients. METHODS This retrospective study revie...
This case study describes the effects of a wearable dynamic knee orthosis to supplement walking training in a patient suffering knee hyperextension. The subject was a 57-year old female who was 3.5 years post-brain tumor surgery. She was presented with impaired right lower extremity muscle performance, increased lower extremity muscle tension, and right knee hyperextension. She reported pain at...
Gecko toe pads show strong adhesion on various surfaces yet remain remarkably clean around everyday contaminants. An understanding of how geckos clean their toe pads while being in motion is essential for the elucidation of animal behaviours as well as the design of biomimetic devices with optimal performance. Here, we test the self-cleaning of geckos during locomotion. We provide, to our knowl...
Five patients with symptomatic knee hyperextension thrusting patterns due to posterolateral ligament complex injury underwent gait analysis before and after a gait retraining program. Patients were trained to avoid knee hyperextension by 1) walking with their knees slightly flexed throughout stance, 2) maintaining ankle dorsiflexion in early stance, and 3) maintaining an erect trunk-hip attitud...
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