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https://www.readbyqxmd.com/read/28822640/comparison-of-outcomes-1%C3%A2-year-after-rotator-cuff-repair-with-and-without-concomitant-biceps-surgery
#1
Scott T Watson, Christopher B Robbins, Asheesh Bedi, James E Carpenter, Joel J Gagnier, Bruce S Miller
PURPOSE: To compare the outcomes of patients who undergo a long head of the biceps (LHB) procedure (tenotomy or tenodesis) concomitant with rotator cuff repair (RCR) to those of patients who undergo isolated RCR. METHODS: Prospectively collected data were retrospectively reviewed on 80 patients, >18 years old, who underwent repair of a full-thickness rotator cuff tear and with 1-year patient-reported outcome scores collected June 2012 to March 2015. The exclusion criteria were concomitant procedures other than LHB tenotomy, tenodesis, or subacromial decompression; prior shoulder surgery; or other shoulder pathology...
August 16, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28820857/kinematic-and-neuromuscular-measures-of-intensity-during-plyometric-jumps
#2
David Cristóbal Andrade, Oscar Manzo, Ana Rosa Beltrán, Cristian Álvarez, Rodrigo Del Rio, Camilo Toledo, Jason Moran, Rodrigo Ramirez-Campillo
The aim of this study was to assess jumping performance and neuromuscular activity in lower limb muscles after drop jumps (DJ) from different drop heights (intensity) and during continuous jumping (fatigue), using markers such as reactive strength, jump height, mechanical power and surface electromyography (sEMG). The eccentric (EC) and concentric (CON) sEMG from the medial gastrocnemius (MG), biceps femoris (BF) and rectus (R) muscles were assessed during all tests. In a cross-sectional, randomized study, eleven volleyball players (age 24...
August 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28820647/acute-fatigue-negatively-affects-risk-factors-for-injury-in-trained-but-not-well-trained-habitually-shod-runners-when-running-barefoot
#3
Nicholas Tam, Devon R Coetzee, Safwaan Ahmed, Robert P Lamberts, Yumna Albertus-Kajee, Ross Tucker
INTRODUCTION: Many factors may contribute to running-related injury. These include fatigue and footwear, the combination of which has rarely been studied, in particular with reference to barefoot running, recently advocated as a method to reduce injury risk. METHODS: Twenty-two runners (12 well-trained and 10 trained) participated in a 10 km fatiguing trial. Knee and ankle joint kinematics and kinetics and electromyography were assessed during overground running in the barefoot and shod condition...
August 18, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28820278/does-additional-biceps-augmentation-improve-rotator-cuff-healing-and-clinical-outcomes-in-anterior-l-shaped-rotator-cuff-tears-clinical-comparisons-with-arthroscopic-partial-repair
#4
Yoon Sang Jeon, Juyeob Lee, Rag Gyu Kim, Young-Won Ko, Sang-Jin Shin
BACKGROUND: The repair of anterior L-shaped tears is usually difficult because of the lack of anterior rotator cuff tendon to cover the footprint. The biceps tendon is usually exposed from the retracted anterolateral corner of the torn tendon and can be easily used to augment rotator cuff repair. Hypothesis/Purpose: This study compared the clinical outcomes of the biceps augmentation technique with those of partial tendon repair for the arthroscopic treatment of large anterior L-shaped rotator cuff tears to evaluate the role of additional biceps augmentation in tendon healing...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28819610/a-rare-case-of-massive-rotator-cuff-tear-and-biceps-tendon-rupture-with-posterior-shoulder-dislocation-in-a-young-adult-surgical-decision-making-and-outcome
#5
En Loong Soon, Hamid Rahmatullah Bin Abd Razak, Andrew Hwee Chye Tan
INTRODUCTION: Massive rotator cuff tears (RCTs) in the context of shoulder dislocations are relatively uncommon in the young adult (<40 years) and if reported are more commonly described in association with acute traumatic anterior glenohumeral dislocations. They have rarely been described with posterior dislocations, regardless of patient age. This is the 1(st) case reported in the context of posterior dislocations, where a triad of biceps tendon rupture, posterior dislocation, and RCTs was observed during surgery...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28818389/common-and-variable-clinical-histological-and-imaging-findings-of-recessive-ryr1-related-centronuclear-myopathy-patients
#6
Osorio Abath Neto, Cristiane de Araújo Martins Moreno, Edoardo Malfatti, Sandra Donkervoort, Johann Böhm, Júlio Brandão Guimarães, A Reghan Foley, Payam Mohassel, Jahannaz Dastgir, Diana Xerxes Bharucha-Goebel, Soledad Monges, Fabiana Lubieniecki, James Collins, Līvija Medne, Mariarita Santi, Sabrina Yum, Brenda Banwell, Emmanuelle Salort-Campana, John Rendu, Julien Fauré, Uluc Yis, Bruno Eymard, Chrystel Cheraud, Raphaël Schneider, Julie Thompson, Xaviere Lornage, Lilia Mesrob, Doris Lechner, Anne Boland, Jean-François Deleuze, Umbertina Conti Reed, Acary Souza Bulle Oliveira, Valérie Biancalana, Norma B Romero, Carsten G Bönnemann, Jocelyn Laporte, Edmar Zanoteli
Mutations in RYR1 give rise to diverse skeletal muscle phenotypes, ranging from classical central core disease to susceptibility to malignant hyperthermia. Next-generation sequencing has recently shown that RYR1 is implicated in a wide variety of additional myopathies, including centronuclear myopathy. In this work, we established an international cohort of 21 patients from 18 families with autosomal recessive RYR1-related centronuclear myopathy, to better define the clinical, imaging, and histological spectrum of this disorder...
May 30, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28817961/evaluating-the-ergonomics-of-flexible-ureteroscopy
#7
Wesley Ludwig, Gyusung I Lee, Justin Bradley Ziemba, Joan S Ko, Brian Matlaga
INTRODUCTION: To date, the ergonomics of flexible ureteroscopy (URS) have not been well described. We performed a study to assess the biomechanical stresses on urologists performing URS and to investigate the effect of ureteroscope type on these parameters. METHODS: Electromyography (EMG) was used to quantify the activation level of muscle groups involved in URS. Surface EMG electrodes (Delsys, Boston, MA) were placed on the right and left thenar, flexor carpi ulnaris (FCU), extensor carpi ulnaris (ECU), biceps, triceps and deltoid...
August 17, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28817715/longitudinal-sequencing-in-intramuscular-coordination-a-new-hypothesis-of-dynamic-functions-in-the-human-rectus-femoris-muscle
#8
Christoph von Laßberg, Julia A Schneid, Dominik Graf, Felix Finger, Walter Rapp, Norman Stutzig
The punctum fixum-punctum mobile model has been introduced in previous publications. It describes general principles of intersegmental neuromuscular succession patterns to most efficiently generate specific movement intentions. The general hypothesis of this study is that these principles-if they really do indicate a fundamental basis for efficient movement generation-should also be found in intramuscular coordination and should be indicated by "longitudinal sequencing" between fibers according to the principles of the punctum fixum-punctum mobile model...
2017: PloS One
https://www.readbyqxmd.com/read/28816944/acute-changes-in-neuromuscular-activity-in-vertical-jump-and-flexibility-after-exposure-to-whole-body-vibration
#9
Giuseppe Annino, Ferdinando Iellamo, Francesco Palazzo, Augusto Fusco, Mauro Lombardo, Francesca Campoli, Elvira Padua
This study was aimed to investigate the neuromuscular activity after 10 minutes of exposure to a whole body vibration (WBV) session.Twenty male young adults (24.8 ± 2.5 year olds) were randomized and divided into 2 groups: the vibration group (VG) was exposed to 10 minutes of WBV at 35 Hz; performed 10 minutes of WBV at 35 Hz (displacement = 5 mm; magnitude = 5 g); the nonvibrated group (NVG) was the placebo group that maintained the same position on the plate but without exposure to any type of vibration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28814053/mobio-a-5-dof-trans-humeral-robotic-prosthesis
#10
R Achintha M Abayasiri, D G Kanishka Madusanka, N M P Arachchige, A T S Silva, R A R C Gopura
In this paper, a 5 DOF trans-humeral robotic prosthesis: MoBio is proposed. MoBio includes 2 DOF at wrist which is rare in other trans-humeral prostheses. Through anthropometric features MoBio prosthetic arm can achieve elbow flexion/extension, forearm supination/pronation, wrist radial/ulnar deviation, wrist flexion/extension and compound motion of thumb and index finger. An EMG based control method which uses EMG signals of the biceps brachii and triceps brachii, is used with a motion switching mechanism to control the prosthesis...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814028/quantitative-assessment-of-swallowing-activity-by-mmg-measurement-with-pvdf-film
#11
Hashimoto Takuya, Tsukagoshi Keita, Koike Takuji
Difficulty of swallowing, called dysphagia, leads to aspiration pneumonia which is particularly a big health concern in aging societies. Therefore, prevention and treatment of dysphagia would contribute to extending healthy-life and QOL of elderly people and decreasing healthcare cost. Robotics technologies are expected as one of the effective methods to solve the problem in terms of detecting malfunction in swallowing and recovering swallowing function. The aim of this study is to investigate muscle activity during normal swallowing using mechanomyography (MMG) with PolyVinylidene DiFluoride (PVDF) film which is a ferroelectrics polymer...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813858/active-impedance-control-of-a-knee-joint-orthosis-during-swing-phase
#12
Fatima El Zahraa Wehbi, Weiguang Huo, Yacine Amirat, Maher El Rafei, Mohamad Khalil, Samer Mohammed
In this paper, an active impedance control strategy for a knee-joint orthosis is proposed to assist individuals suffering from lower-limb muscular weaknesses during the swing phase of walking activities. The goal of the proposed strategy is to decrease the human effort required for ensuring a successful knee joint movement during walking without sacrificing the wearer's control priority. In this study, a gait-phase based desired knee-joint admittance model is designed by analyzing the kinematic and kinetic characteristics of the wearer's shank-foot segment during walking...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813808/experimental-evaluation-of-a-semg-based-control-for-elbow-wearable-assistive-devices-during-load-lifting-tasks
#13
Roberto Meattini, Gianluca Palli, Claudio Melchiorri
In this work, a surface skin electromyography(sEMG)-based control solution for elbow wearable assistive devices during load lifting tasks is presented. The goal of the controller consists in limiting the user's muscle activity during the task execution, in such a way that the assistive device can partially compensate the load-related biceps muscle effort. Since sEMG-driven control strategies based on the estimation of the joint torques generally requires complex task- and subject-dependent training sessions for tuning the control algorithms, here a more direct control approach is proposed, based on a muscle activity error related proportional-integral action together with an double-threshold activation logic...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813790/position-and-torque-control-via-rehabilitation-robot-and-functional-electrical-stimulation
#14
Christian A Cousin, Courtney A Rouse, Victor H Duenas, Warren E Dixon
Two common rehabilitation therapies for individuals possessing neurological conditions are functional electrical stimulation (FES) and robotic assistance. This paper focuses on combining the two rehabilitation strategies for use on the biceps brachii muscle group. FES is used to elicit muscle contractions to actuate the forearm and a rehabilitation robot is used to challenge the muscle group in its efforts. Two controllers were developed and implemented to accomplish the multifaceted objective, both of which achieve global exponential stability for position and torque tracking as proven through a Lyapunov stability analysis...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811785/estimation-of-body-fat-in-pakistani-adult-a-comparison-of-equations-based-upon-skinfold-thickness-measurements
#15
Hafeeza Naz, Kinza Mushtaq, Bilal Azeem Butt, Khadija Irfan Khawaja
OBJECTIVE: To compare three different body fats estimation equations using skin fold measurements with bioelectrical impedance analysis. METHODS: A total of 130 subjects were included from Department of Endocrinology and Metabolism, Services Hospital, Lahore from 1(st) April 2016 to 30(th) Sep. 2016. The triceps, biceps, subscapular, chest, thigh, abdominal, suprailiac skinfold thickness of the subjects was measured with skin-fold calipers (Harpenden) on non-dominant side...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28809705/effects-of-continuous-kinaesthetic-feedback-based-on-tendon-vibration-on-motor-imagery-bci-performance
#16
M Barsotti, D Leonardis, N Vanello, M Bergamasco, A Frisoli
BACKGROUND AND OBJECTIVES: Feedback plays a crucial role for using Brain Computer Interface (BCI) systems. This study proposes the use of vibration-evoked kinaesthetic illusions as part of a novel multisensory feedback for a Motor Imagery (MI) based BCI and investigates its contributions in terms of BCI performance and electroencephalographic (EEG) correlates. METHODS: Sixteen subjects performed two different right arm MI-BCI sessions: with the visual feedback only and with both visual and vibration-evoked kinaesthetic feedback, conveyed by the stimulation of the biceps brachi tendon...
August 14, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28808728/-subpectoral-tenodesis-of-the-long-head-of-the-biceps-tendon-with-an-interference-screw-and-a%C3%A2-cortical-button-clinical-and-cosmetic-results-after-1-year
#17
P-C Nolte, N Pister, F Holz, M Egenolf, T Chatterjee
BACKGROUND: Pathologies of the long head of biceps tendon (LHB) can cause anterior shoulder pain. Surgical treatment includes tenotomy and tenodesis (TD), however TD causes fewer cosmetic deformities and less cramping of the biceps muscle. To date, numerous techniques for TD have been described but the "gold standard" has not yet been established. OBJECTIVES: The purpose of this study is to evaluate the functional and cosmetic outcome following subpectoral biceps TD with an interference screw and a cortical-button (STLHB-IC) after 1 year...
August 14, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28803359/expression-of-cationic-amino-acid-transporters-in-pig-skeletal-muscles-during-postnatal-development
#18
Aiko Ishida, Akane Ashihara, Kazuki Nakashima, Masaya Katsumata
The cationic amino acid transporter (CAT) protein family transports lysine and arginine in cellular amino acid pools. We hypothesized that CAT expression changes in pig skeletal muscles during rapid pig postnatal development. We aimed to investigate the tissue distribution and changes in the ontogenic expression of CATs in pig skeletal muscles during postnatal development. Six piglets at 1, 12, 26, 45, and 75 days old were selected from six litters, and their longissimus dorsi (LD), biceps femoris (BF), and rhomboideus (RH) muscles, and their stomach, duodenum, jejunum, ileum, colon, liver, kidney, heart, and cerebrum were collected...
August 12, 2017: Amino Acids
https://www.readbyqxmd.com/read/28802435/gait-characteristics-in-women-s-safety-shoes
#19
Kanako Goto, Kaoru Abe
Although workers in Japan are required to wear safety footwear, there is concern about occupational accidents that occur when wearing safety shoes. This study aimed to analyze the effect of wearing hardsoled safety shoes on both spatiotemporal gait characteristics and the muscle activity in the lower extremities. Seventeen young women participated in this study. A 5-m gait trial and a surface electromyography trial were conducted while the women walked in either safety shoes or sports shoes. Paired t-tests were performed to analyze the differences in gait characteristics when walking in the two different pairs of shoes...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28798537/the-outcome-of-primary-brachial-plexus-reconstruction-in-extended-erb-s-obstetric-palsy-when-only-one-root-is-available-for-intraplexus-neurotization
#20
Mohammad M Al-Qattan, Amel Ahmed F El-Sayed
BACKGROUND: A recent review by the International Federation of Societies for Surgery of the Hand showed no studies comparing the results of nerve grafting to distal nerve transfer for primary reconstruction of the brachial plexus in infants with obstetric brachial plexus palsy (OBBP). The aim of this retrospective study is to compare two surgical reconstructive strategies in primary reconstruction of the brachial plexus in extended Erb's obstetric palsy with double root avulsion: one with and one without distal nerve transfer for elbow flexion...
2017: European Journal of Plastic Surgery
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