Pascal Baudrit, Jérôme Uriot, Olivier Richard, Matthieu Debray
The reality of the autonomous vehicle in a near future is growing and is expected to induce significant change inthe occupant posture with respect to a standard driving posture. The delegated driving would allow sleeping and/or resting in a seatwith a reclined posture. However, the data in the literature are rare on the body kinematics, human tolerance, and injury types insuch reclined postures. The current study aims at increasing the knowledge in the domain and providing useful data to assess therelevance of the standard injury assessment tools such as anthropomorphic test devices or finite element human body models...
November 2022: Stapp Car Crash Journal
Sebastian Vetter, Hans-Peter Köhler, Pierre Hepp, Hanno Steinke, Stefan Schleifenbaum, Jan Theopold, Simon Kiem, Maren Witt, Jeanette Henkelmann, Christian Roth
The ability of muscle to generate force depends on its architecture and health condition. MR-based diffusion tensor imaging of muscle (mDTI) is an innovative approach for showing the fiber arrangement for the whole muscle volume. For accurate calculations of fiber metrics, muscle segmentation prior to tractography is regarded as necessary. Since segmentation is known to be operator dependent, it is important to understand how segmentation affects tractography. The aim of this study was to compare the results of deterministic fiber tracking based on muscle models generated by two independent operators...
2023: PloS One
Francesco Marrone, Carmine Pullano, Saverio Paventi, Marco Tomei, Chiara Pezzella, Sabrina Crecco
No abstract text is available yet for this article.
September 21, 2023: Minerva Anestesiologica
Maulin M Shah, Meet Jain, Godhasiri Ponugoti, Sheenam Bansal, Shalin Shah, Chinmay Sangole
CASE: A 9-day-old male neonate presented with swelling over his left shoulder and reduced movements of the left upper extremity since birth. Radiographs raised a suspicion of a shoulder dislocation. Ultrasonography confirmed the diagnosis of proximal humeral physeal separation. Magnetic resonance imaging (MRI) revealed edema of the infraclavicular part of the brachial plexus. Conservative management was followed, and the injury remodeled completely at 2 years. CONCLUSION: Neonatal proximal humeral physeal separation poses a diagnostic challenge...
July 1, 2023: JBJS Case Connector
Justin W Arner, Philip-Christian Nolte, Joseph J Ruzbarsky, Thomas Woolson, Matthew T Provencher, James P Bradley, Peter J Millett
BACKGROUND: The influence of bony morphology on the development of posterior shoulder instability is not well known. PURPOSE: To determine if acromial morphology, as measured on magnetic resonance imaging (MRI), is associated with posterior or anterior shoulder instability. DESIGN: Cross-sectional study; Level of evidence, 3. METHODS: MRI measurements of posterior acromial coverage (PAC), posterior acromial height (PAH), posterior acromial tilt (PAT), and anterior acromial coverage (AAC) were completed for 3 separate matched groups who underwent surgical intervention: posterior instability, anterior instability, and a comparison group of patients who underwent arthroscopic surgery for snapping scapula...
September 21, 2023: American Journal of Sports Medicine
Hyuk-Joon Sohn, Chul-Hyun Cho, Du-Han Kim
BACKGROUND: Dislocation of the long head of biceps tendon (LHBT) usually involves rotator cuff injury, and isolated dislocation with an intact rotator cuff is rare. Some cases of isolated dislocation have been reported. However, to the best of our knowledge, there has been no report of bilateral dislocation of the LHBT without rotator cuff pathology. CASE SUMMARY: A 23-year-old male presented to our outpatient clinic with left side dominant pain in both shoulders...
September 16, 2023: World Journal of Clinical Cases
Dina Hamed Hamed, Filip Struyf, Leo Pruimboom, Santiago Navarro-Ledesma
Introduction: The objective of this systematic review was to analyze the existing scientific evidence on the influence of dietary strategies, exercise, and sleep disorders on the symptomatology of patients with chronic shoulder pain, as well as to assess the methodological quality of the literature collected. Methods: The selection criteria were as follows: we included randomized controlled clinical trials written in English that investigated the effects of such interventions in patients with chronic shoulder pain and excluded studies where pre-operative rehabilitation or rehabilitation combined with corticosteroid injections was performed...
2023: Frontiers in Physiology
I-Ning Lo, Cheng-Yu Yin, Hui-Kuang Huang, Yi-Chao Huang, Jung-Pan Wang
BACKGROUND: The ideal scenario for ulnar nerve repair is primary end-to-end neurorrhaphy in a tension-free environment. However, this could be complicated by soft tissue loss, scarring and neuroma formation in a delayed injury, creating a nerve defect. With a wrist level nerve defect, a flexion position can help shorten the nerve gap. However, maintaining the position can be challenging intraoperatively and postoperatively. METHODS: We proposed our method previously of using a 1...
September 19, 2023: Journal of the Chinese Medical Association: JCMA
Javier Ardebol, Theresa Pak, Ali Īhsan Kiliç, Simon Hwang, Mariano E Menendez, Patrick J Denard
» Secondary rotator cuff insufficiency is a challenging complication after anatomic total shoulder arthroplasty.» Acute tears may be amenable to open or arthroscopic repair in some instances.» Chronic attritional tears are best managed with revision to reverse shoulder arthroplasty, especially in the elderly.» Increased glenoid inclination, larger critical shoulder angle, oversized humeral components, thicker glenoid components, and rotator cuff muscle fatty infiltration have all shown to contribute to tear risk...
September 1, 2023: JBJS Reviews
Emine Irem Sahin, Sebahat Yaprak Cetin, Ayse Ayan
OBJECTIVE: This study aimed to investigate the effects of upper extremity home exercises on grip strength, range of motion, activity performance, and functionality in individuals with systemic sclerosis and to compare with patient education. METHODS: A total of 46 individuals with systemic sclerosis (55.52±11.54 years) were included. Individuals were randomly assigned into intervention (n=23) and control (n=23) groups. Dynamometer, goniometer, Canadian Occupational Performance Measurement, Disabilities of the Arm, Shoulder, and Hand, Score for Assessment and Quantification of Chronic Rheumatic Affections of the Hands, and Duruoz Hand Index were used for evaluation...
2023: Revista da Associação Médica Brasileira
Caroline Moulinier, Lorie Bellity, Elie Saghbiny, Manon Bachy-Razzouk, Malo Le Hanneur, Frank Fitoussi
In the management of brachial plexus birth palsies, the quality of the roots eligible for reconstruction is thought to be a key issue. The aim of the present study was to evaluate the correlations between pathological root examination and motor recovery after brachial plexus reconstructions. Quantitative histopathological analysis of intraneural fibrosis was conducted on 72 nerve transections (40 roots, 18 trunks and 14 suprascapular nerves) in 20 patients. Clinical recovery of targeted muscles after surgery was assessed by standardized functional scores...
September 20, 2023: Journal of Hand Surgery, European Volume
Weisang Luo, Yongjune Kim, Vichet Tan, Picheata Ek, Sophie Hunt, Harriet Howells
We evaluated the outcomes of the Krukenberg procedure conducted for the loss of a hand secondary to an electrical burn injury in six patients (10 hands). Patient demographics, indications for surgery, surgical strategy, complications, clinical measurements and Disabilities of the Arm, Shoulder and Hand (DASH) score were recorded, in addition to subjective outcome measures, including self-perception of social acceptance and employment status. The median DASH score at follow-up was 22 (range 4-50, interquartile range 25)...
September 20, 2023: Journal of Hand Surgery, European Volume
Alejandro Cazzulino, Katherine Bach, Rafael Cordero, Ishaan Swarup
PURPOSE OF REVIEW: The purpose of the current review is to analyze the current literature regarding the tools available to evaluate patient expectations and satisfaction. There have been an increasing number of tools that have been developed and validated for various orthopedic procedures. Despite the growing number of tools, there are a limited number of tools available for pediatric patients. RECENT FINDINGS: Several tools have been developed in orthopedics to evaluate patient expectations...
September 20, 2023: Current Reviews in Musculoskeletal Medicine
Kitty Y Wu, Robert J Spinner
BACKGROUND: Spinal accessory nerve palsy can lead to severe shoulder pain and weakness, lateral scapular winging, and limitations in overhead activity. It most often occurs because of iatrogenic injury from procedures within the posterior triangle of the neck. OBSERVATIONS: The authors present the case of a 39-year-old male with symptoms of right shoulder weakness and neck pain after a total thyroidectomy and right neck dissection. With ultrasound findings of a neuroma-in-continuity but no clinical or electromyographic signs of reinnervation at 6 months, surgical intervention was indicated...
August 28, 2023: J Neurosurg Case Lessons
John L Ferrell, Alanna Dodson, Joshua Martin
A 70-year-old female presented with an 8-month history of right anterior shoulder pain and weakness, unresolved with conservative management. Among other shoulder pathology, the patient was diagnosed with a full-thickness supraspinatus tear and elected to proceed with the microfragmented adipose tissue procedure to treat the injured tendon and nearby relevant structures. Improvements in pain and function were documented along with progressive healing of the supraspinatus on ultrasound and MRI following the procedure...
September 20, 2023: Regenerative Medicine
Aaron S Campbell, Christopher D Johnson, Shaun O'Connor
Peripheral nerve blocks are an increasingly common method of providing postoperative analgesia for shoulder surgeries. However, the standard technique, the interscalene block (ISB), inevitably causes hemidiaphragmatic paresis (HDP), secondary to phrenic nerve palsy. This can cause morbidity in patients with preexisting respiratory compromise, prompting investigation into alternative "phrenic-sparing" nerve blocks. The aim of this review was to give an overview of these blocks and critically evaluate the current literature to determine if any are suitable replacements for ISB...
2023: Anesthesiology Research and Practice
Rutuja R Avaghade, Sandeep B Shinde, Sayalee B Dhane
BACKGROUND: This study "Effectiveness of Mckenzie approach and segmental spinal stabilization exercises on neck pain in individuals with cervical postural syndrome: an experimental study" was conducted to study and find the effectiveness of Mckenzie approach and segmental spinal stabilization exercises on reduction of pain, correction of rounded shoulder, and disability. Pain, disability, and rounded shoulders are the major limiting factors as it affects the quality of life and reduces efficiency and social participation...
2023: Journal of Education and Health Promotion
Andrew P Collins, Max McCall, Joshua Cassinat, Alison Grise, Jonathan Schwartzman, John Kelly, Benjamin C Service
BACKGROUND: The objective of this study is to evaluate the biostatistical interpretation abilities of fellowship trained orthopaedic surgeons. METHODS: A cross-sectional survey was administered to orthopaedic surgeon members of the American Shoulder and Elbow Surgeons (ASES), assessing orthopaedic surgeon attitudes towards biostatistics, confidence in understanding biostatistics, and ability to interpret biostatistical measures on a multiple-choice test. RESULTS: A 4...
2023: Advances in Orthopedics
Peter J Bishop, Stephanie E Pierce
This paper is the first in a two-part series that charts the evolution of appendicular musculature along the mammalian stem lineage, drawing upon the exceptional fossil record of extinct synapsids. Here, attention is focused on muscles of the forelimb. Understanding forelimb muscular anatomy in extinct synapsids, and how this changed on the line to mammals, can provide important perspective for interpreting skeletal and functional evolution in this lineage, and how the diversity of forelimb functions in extant mammals arose...
September 19, 2023: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
Mi Er A Li Mu Mu Er Ti Zha, Zhi Jian Sun, Ting Li, Re Zi Ya Ai Mai Ti, Gang Fu, Dong Chen Yao, Xiang Yu
BACKGROUND: Distal radius fractures (DRF) account for one in five bony injuries in both primary and secondary trauma care. Enhanced recovery after surgery (ERAS) has been adopted successfully to improve clinical outcomes in multiple surgical disciplines; however, no study has investigated the effect of different degrees of compliance with ERAS protocol on short-term outcomes following distal radius surgery. We aimed to analyze whether different degrees of compliance with the ERAS pathway are associated with clinical improvement following surgery for DRF...
September 19, 2023: Journal of Orthopaedic Surgery and Research
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