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Specialty: Orthopaedics

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Total 785 results found since Jan 2013.

Immediate effects of a buffered knee orthosis on gait in stroke patients with knee hyperextension
CONCLUSION: The buffered knee orthosis can effectively prevent knee hyperextension after stroke, improve the knee and ankle sagittal motion, gait asymmetry, gait subjective feeling, and does not affect gait space-time parameters.PMID:36278338 | DOI:10.3233/BMR-220069
Source: Journal of Back and Musculoskeletal Rehabilitation - October 24, 2022 Category: Orthopaedics Authors: Zhibiao Chen Zuxin Xian Huanzhou Chen Yuan Zhong Feng Wang Source Type: research

Combining Foot Drop Stimulation Devices with Gait Training Improves Gait, Active Ankle Movement of Chronic Poststroke Individuals
Conclusions Our results demonstrated a positive training effect on ankle active movement during gait. FDS combined with gait training is able to increase the total distance walked after 2 weeks of treatment. Clinical Relevance FDS ameliorated the active dorsiflexion and increased the distance covered in people with chronic poststroke. Our results suggest a positive training effect of FDS that can guide physiotherapists in their clinical practice.
Source: JPO Journal of Prosthetics and Orthotics - October 1, 2022 Category: Orthopaedics Tags: ORIGINAL RESEARCH ARTICLES Source Type: research

Characteristics of submental muscles function and hyoid bone movement in patients with dysphagia after stroke
Submental muscles electromyographic signal changes in patients may be the result of uncoordinated muscle contractions and decreased muscle strength. Furthermore, the reduced hyoid movement distance may be due to impaired function of the submental muscles. In addition, the submental muscles and hyoid movement or other swallowing structures functions were impaired to varying degrees, resulting in the disappearance of the correlation between the maximum movement distance of the hyoid and the peak amplitude.
Source: Clinical Biomechanics - September 26, 2022 Category: Orthopaedics Authors: Anli Tang, Xuexian Chen, Jingjing Ma, Ruiyun Xu, Ziqiong Luo, JiaLi Chen, Xuefei Zhang, Hongrui Zhan, Wen Wu Source Type: research

Ankle stiffness modulation during different gait speeds in individuals post-stroke
Individuals post-stroke did not modulate their ankle quasi-stiffness with increased speed, but across individuals there was a positive relationship between ankle quasi-stiffness and both speed and peak propulsion. Walking speed and propulsion are limited in individuals post-stroke, therefore, improving either could lead to a higher functional status. Understanding post-stroke ankle stiffness may be important in the design of therapeutic interventions and exoskeletons, where these devices augment the biological ankle quasi-stiffness to improve walking performance.
Source: Clinical Biomechanics - September 8, 2022 Category: Orthopaedics Authors: Erica H. Hinton, Aaron Likens, Hao-Yuan Hsiao, Benjamin I. Binder-Markey, Stuart A. Binder-Macleod, Brian A. Knarr Source Type: research

Contribution of stroke-related changes in neuromuscular factors to gear ratio during isometric contraction of medial gastrocnemius muscle: A simulation study
Our findings provide insight that the pennation angle may play an important role for efficient muscular contraction, implying that maintaining muscle architecture and/or improving fiber/fascicle rotation could a key goal in rehabilitation interventions. Our findings will help us to better interpret altered gearing behavior in aging and pathological muscles.
Source: Clinical Biomechanics - August 22, 2022 Category: Orthopaedics Authors: Jongsang Son, William Z. Rymer Source Type: research

P22. How hip are we in assessing balance strategy? Utilization of a novel force analysis technique using a single force plate to simplify assessment of adult spinal deformity patient balance strategy reliance
Humans recruit a variety of coordination strategies to maintain upright posture while standing. These strategies arise from hip, knee and ankle torques which act in varying degrees over time to support vertical weight of the body and perturbations to balance. Prior studies suggest adult spinal deformity (ASD) surgery results in reduced postural sway and effort; however, none have directly assessed patient's strategy reliance or determined if multilevel fusion affects balance control. Recently, a novel method to assess balance strategy reliance using only a force plate called force intersection point analysis (FIP) was deve...
Source: The Spine Journal - August 20, 2022 Category: Orthopaedics Authors: Damon E. Mar, Kyle Robinson, Bethany Wilson, Isador H. Lieberman Source Type: research

A Cadaver Feasibility Study of Extradural Contralateral C7 Ventral Root Transfer Technique for Treating Upper Extremity Paralysis
Study Design. A total of 6 formalin-fixed cadavers were included in the cadaver feasibility study. Objective. The aim was to ascertain the anatomical feasibility of extradural contralateral C7 ventral root transfer technique by cervical posterior. Summary of Background Data. Upper limb spastic hemiplegia is a common sequela after stroke. In our previous study, the authors established a method by transferring contralateral C7 dorsal and ventral roots to the corresponding C7 dorsal and ventral roots on the affected side in the cervical posterior. Methods. In the present study, six formalin-fixed cada...
Source: Spine - August 18, 2022 Category: Orthopaedics Tags: Anatomy Source Type: research

Does Treatment Delay for Blunt Cerebrovascular Injury Affect Stroke Rate?: An EAST Multicenter Study
Stroke is an unfortunately common occurrence in blunt cerebrovascular injury (BCVI). While rates of BCVI related strokes have decreased over time likely due to early diagnosis and use of medical therapy, BCVI still remains a significant cause of stroke occurring in trauma patients [1]. Administration of medical therapy (antiplatelet or anticoagulant agent) is a mainstay of care, with the majority of BCVI-related strokes occurring early after trauma [2].
Source: Injury - August 17, 2022 Category: Orthopaedics Authors: Rachel D Appelbaum, Emily Esposito, M Chance Spaulding, Joshua P Simpson, Julie Dunn, Linda B Zier, Sigrid Burruss, Paul P Kim, Lewis E Jacobson, Jamie M. Williams, Jeffry Nahmias, Areg Grigorian, Laura Harmon, Anna K Gergen, Matthew Chatoor, Rishi Rattan Source Type: research

Effects of lumbar joint mobilization on trunk function, postural balance, and gait in patients with chronic stroke: A randomized pilot study
CONCLUSION: Lumbar joint mobilization might be an effective intervention for trunk function, postural balance, and walking in patients with stroke.PMID:35938238 | DOI:10.3233/BMR-200046
Source: Journal of Back and Musculoskeletal Rehabilitation - August 8, 2022 Category: Orthopaedics Authors: Wonjae Choi Jieun Lee Seungwon Lee Source Type: research

Pharmacological properties and mechanisms of Notoginsenoside R1 in ischemia-reperfusion injury
Chin J Traumatol. 2022 Jul 3:S1008-1275(22)00068-2. doi: 10.1016/j.cjtee.2022.06.008. Online ahead of print.ABSTRACTPanax notoginseng is an ancient Chinese medicinal plant that has great clinical value in regulating cardiovascular disease in China. As a single component of panax notoginosides, notoginsenoside R1 (NGR1) belongs to the panaxatriol group. Many reports have demonstrated that NGR1 exerts multiple pharmacological effects in ischemic stroke, myocardial infarction, acute renal injury, and intestinal injury. Here, we outline the available reports on the pharmacological effects of NGR1 in ischemia-reperfusion (I/R) ...
Source: Chinese Journal of Traumatology - August 3, 2022 Category: Orthopaedics Authors: Ting Zhu Qi Wan Source Type: research