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https://www.readbyqxmd.com/read/28528385/instability-of-the-long-head-of-the-biceps-tendon-in-patients-with-rotator-cuff-tear-evaluation-on-magnetic-resonance-arthrography-of-the-shoulder-with-arthroscopic-correlation
#1
Yusuhn Kang, Joon Woo Lee, Joong Mo Ahn, Eugene Lee, Heung Sik Kang
OBJECTIVES: To evaluate the diagnostic value of MR arthrography (MRA) in diagnosing instability of the LHBT in patients with rotator cuff tendon tear. MATERIALS AND METHODS: The MR arthrograms of 101 patients were retrospectively reviewed and correlated with arthroscopic findings as the standard reference. Images were evaluated for (1) the integrity of the LHBT, (2) the position of the LHBT (subluxation/dislocation on axial images, inferior displacement on oblique sagittal image) and (3) the integrity of the biceps pulley (SGHL, supraspinatus and subscapularis tendon adjacent to the rotator interval)...
May 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28527225/clinical-feasibility-of-gait-training-with-a%C3%A2-robotic-exoskeleton-wpal-in-an-individual-with-both-incomplete-cervical-and-complete-thoracic-spinal-cord-injury-a%C3%A2-case-study
#2
Shigeo Tanabe, Soichiro Koyama, Eiichi Saitoh, Satoshi Hirano, Kanan Yatsuya, Tetsuya Tsunoda, Masaki Katoh, Takeshi Gotoh, Ayako Furumoto
BACKGROUND: Patients with tetraplegia can achieve independent gait with lateral-type powered exoskeletons; it is unclear whether medial-type powered exoskeletons allow for this. OBJECTIVE: To investigate gait training with a medial-type powered exoskeleton wearable power-assist locomotor (WPAL) in an individual with incomplete cervical (C5) and complete thoracic (T12) spinal cord injury (SCI). METHODS: The 60-session program was investigated retrospectively using medical records...
May 19, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28526421/delayed-repair-of-distal-biceps-tendon-ruptures-is-successful-a-case-control-study
#3
John Haverstock, Ruby Grewal, Graham J W King, George S Athwal
BACKGROUND: The literature has shown an increased complication rate with a delay to surgical repair of acute distal biceps tendon ruptures; however, little has been documented regarding the outcome of delayed repairs. This case-control study compared a study cohort of delayed (>21 days) distal biceps tendon repairs with a control cohort repaired acutely (<21 days). METHODS: Sixteen delayed repair cases were reviewed and matched with acute controls (1:3) based on repair technique, age, and workers' compensation status...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28513880/unstable-rocker-shoes-promote-recovery-from-marathon-induced-muscle-damage-in-novice-runners
#4
Kento Nakagawa, Takayuki Inami, Takahisa Yonezu, Yuta Kenmotsu, Takaya Narita, Yasuo Kawakami, Kazuyuki Kanosue
We recently reported that wearing unstable rocker shoes (Masai Barefoot Technology: MBT) may enhance recovery from marathon race induced fatigue. However, this earlier study only utilized a questionnaire. In the present study, we evaluated MBT utilizing objective physiological measures of recovery from marathon induced muscle damages. Twenty-five university student novice runners were divided into two groups. After running a full marathon, one group wore MBT shoes (MBT group), and the control group (CON) wore ordinary shoes daily for one week following the race...
May 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28513281/short-term-effects-of-kinesio-taping-on-muscle-recruitment-order-during-a-vertical-jump-a-pilot-study
#5
Guillermo Mendez-Rebolledo, Rodrigo Ramirez-Campillo, Eduardo Guzman-Muñoz, Valeska Gatica-Rojas, Alexis Dabanch-Santis, Francisco Diaz-Valenzuela
CONTEXT: Kinesio taping is commonly used in sports and rehabilitation settings with the aim of prevention and treatment of musculoskeletal injuries. However, limited evidence exists regarding the effects of 24 and 72 h of kinesio taping on trunk and lower limb neuromuscular and kinetic performance during a vertical jump. OBJECTIVE: The purpose of this study was to analyze the short-term effects of kinesio taping on the height and ground reaction force during a vertical jump, in addition to trunk and lower limb muscle latency and recruitment order...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28512726/cutaneous-reflex-modulation-during-obstacle-avoidance-under-conditions-of-normal-and-degraded-visual-input
#6
Daniel S Marigold, Andrew J Chang, Kim Lajoie
The nervous system integrates visual input regarding obstacles with limb-based sensory feedback to allow an individual to safely negotiate the environment. This latter source can include cutaneous information from the foot, particularly in the event that limb trajectory is not sufficient and there is an unintended collision with the object. However, it is not clear the extent to which cutaneous reflexes are modified based on visual input. In this study, we first determined if phase-dependent modulation of these reflexes is present when stepping over an obstacle during overground walking...
May 16, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28511128/improving-the-repeatability-of-motor-unit-number-index-munix-by-introducing-additional-epochs-at-low-contraction-levels
#7
Yun Peng, Yingchun Zhang
OBJECTIVE: To evaluate the repeatability of (Motor Unit Number Index) MUNIX under repeatability conditions, specify the origin of variations and provide strategies for quality control. METHODS: MUNIX calculations were performed on the bicep brachii muscles of eight healthy subjects. Negative effect of suboptimal electrode positions on MUNIX accuracy was eliminated by employing the high-density surface electromyography technique. MUNIX procedures that utilized a variety of surface interferential pattern (SIP) epoch recruitment strategies (including the original MUNIX procedure, two proposed improvement strategies and their combinations) were described...
April 8, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28511122/robotic-assessment-of-neuromuscular-characteristics-using-musculoskeletal-models-a-pilot-study
#8
V R Jayaneththi, J Viloria, L G Wiedemann, C Jarrett, A J McDaid
OBJECTIVE: Non-invasive neuromuscular characterization aims to provide greater insight into the effectiveness of existing and emerging rehabilitation therapies by quantifying neuromuscular characteristics relating to force production, muscle viscoelasticity and voluntary neural activation. In this paper, we propose a novel approach to evaluate neuromuscular characteristics, such as muscle fiber stiffness and viscosity, by combining robotic and HD-sEMG measurements with computational musculoskeletal modeling...
May 10, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28507978/modified-tension-slide-technique-for-anatomical-distal-biceps-tenodesis-using-a-bicortical-endobutton-and-a-tenodesis-screw
#9
Jagadish Prabhu, Mohammed Khalid Faqi, Fahad Al-Khalifa, Rashad Khamis Awad
INTRODUCTION: Many surgical techniques have been described in the literature. In this article, we describe surgical technical details along with tips and tricks of distal biceps tendon tenodesis using the EndoButton and tension - slide technique, a modification of the suspensory cortical button technique, which allows the surgeon to tension and repairs the biceps tendon through the single longitudinal anterior incision. This modification in surgical technique of using dual implants, i...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28506149/a-short-and-distinct-time-window-for-recovery-of-arm-motor-control-early-after-stroke-revealed-with-a-global-measure-of-trajectory-kinematics
#10
Juan C Cortes, Jeff Goldsmith, Michelle D Harran, Jing Xu, Nathan Kim, Heidi M Schambra, Andreas R Luft, Pablo Celnik, John W Krakauer, Tomoko Kitago
BACKGROUND: Studies demonstrate that most arm motor recovery occurs within three months after stroke, when measured with standard clinical scales. Improvements on these measures, however, reflect a combination of recovery in motor control, increases in strength, and acquisition of compensatory strategies. OBJECTIVE: To isolate and characterize the time course of recovery of arm motor control over the first year poststroke. METHODS: Longitudinal study of 18 participants with acute ischemic stroke...
June 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28505208/neuromuscular-function-of-the-quadriceps-muscle-during-isometric-maximal-submaximal-and-submaximal-fatiguing-voluntary-contractions-in-knee-osteoarthrosis-patients
#11
Anett Mau-Moeller, Robert Jacksteit, Mario Jackszis, Frank Feldhege, Matthias Weippert, Wolfram Mittelmeier, Rainer Bader, Ralf Skripitz, Martin Behrens
INTRODUCTION: Knee osteoarthrosis (KOA) is commonly associated with a dysfunction of the quadriceps muscle which contributes to alterations in motor performance. The underlying neuromuscular mechanisms of muscle dysfunction are not fully understood. The main objective of this study was to analyze how KOA affects neuromuscular function of the quadriceps muscle during different contraction intensities. MATERIALS AND METHODS: The following parameters were assessed in 20 patients and 20 healthy controls: (i) joint position sense, i...
2017: PloS One
https://www.readbyqxmd.com/read/28501953/evaluating-the-contributions-of-muscle-activity-and-joint-kinematics-to-weight-perception-across-multiple-joints
#12
Morgan L Waddell, Eric L Amazeen
Perceived heaviness is clearly a function of muscle activity: objects feel heavy, in part because they are lifted with more force than lighter feeling objects. Recent research showed that participants scale their perceptions to the ratio of muscle activity to lift acceleration during elbow lifts (Waddell et al. J Exp Psychol Hum Percept Perform 42:363-374, 2016). The current study sought psychophysiological functions relating perceived heaviness to EMG and peak lift acceleration across multiple lifts employing different muscles as prime movers...
May 13, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28497771/an-isometric-muscle-force-estimation-framework-based-on-a-high-density-surface-emg-array-and-an-nmf-algorithm
#13
Chengjun Huang, Xiang Chen, Shuai Cao, Bensheng Qiu, Xu Zhang
OBJECTIVE: To realize accurate muscle force estimation, a novel framework is proposed in this paper which can extract the input of the prediction model from the appropriate activation area of the skeletal muscle. APPROACH: Surface electromyographic (sEMG) signals from the biceps brachii muscle during isometric elbow flexion were collected with a high-density (HD) electrode grid (128 channels) and the external force at three contraction levels was measured at the wrist synchronously...
May 12, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28495804/sham-surgery-versus-labral-repair-or-biceps-tenodesis-for-type-ii-slap-lesions-of-the-shoulder-a-three-armed-randomised-clinical-trial
#14
Cecilie Piene Schrøder, Øystein Skare, Olav Reikerås, Petter Mowinckel, Jens Ivar Brox
BACKGROUND: Labral repair and biceps tenodesis are routine operations for superior labrum anterior posterior (SLAP) lesion of the shoulder, but evidence of their efficacy is lacking. We evaluated the effect of labral repair, biceps tenodesis and sham surgery on SLAP lesions. METHODS: A double-blind, sham-controlled trial was conducted with 118 surgical candidates (mean age 40 years), with patient history, clinical symptoms and MRI arthrography indicating an isolated type II SLAP lesion...
May 11, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28491186/quantifying-spasticity-in-individual-muscles-using-shear-wave-elastography
#15
Sarah F Eby, Heng Zhao, Pengfei Song, Barbara J Vareberg, Randall R Kinnick, James F Greenleaf, Kai-Nan An, Allen W Brown, Shigao Chen
Spasticity is common following stroke; however, high subject variability and unreliable measurement techniques limit research and treatment advances. Our objective was to investigate the use of shear wave elastography (SWE) to characterize the spastic reflex in the biceps brachii during passive elbow extension in an individual with spasticity. The patient was a 42-year-old right-hand-dominant male with history of right middle cerebral artery-distribution ischemic infarction causing spastic left hemiparesis...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28489897/analysis-of-statistical-and-standard-algorithms-for-detecting-muscle-onset-with-surface-electromyography
#16
Matthew S Tenan, Andrew J Tweedell, Courtney A Haynes
The timing of muscle activity is a commonly applied analytic method to understand how the nervous system controls movement. This study systematically evaluates six classes of standard and statistical algorithms to determine muscle onset in both experimental surface electromyography (EMG) and simulated EMG with a known onset time. Eighteen participants had EMG collected from the biceps brachii and vastus lateralis while performing a biceps curl or knee extension, respectively. Three established methods and three statistical methods for EMG onset were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28484280/paternal-obesity-modifies-the-effect-of-an-antenatal-lifestyle-intervention-in-women-who-are-overweight-or-obese-on-newborn-anthropometry
#17
Jodie M Dodd, Lodewyk E Du Plessis, Andrea R Deussen, Rosalie M Grivell, Lisa N Yelland, Jennie Louise, Andrew J Mcphee, Jeffrey S Robinson, Julie A Owens
The contribution of paternal obesity to pregnancy outcomes has been little described. Our aims were to determine whether the effect of an antenatal maternal dietary and lifestyle intervention among women who are overweight or obese on newborn adiposity, was modified by paternal obesity. We conducted a secondary analysis of a multicenter randomised trial. Pregnant women with BMI ≥25 kg/m(2) received either Lifestyle Advice or Standard Care. Paternal anthropometric measures included height, weight, BMI; waist, hip, calf and mid-upper arm circumferences; biceps and calf skinfold thickness measurements (SFTM); and percentage body fat...
May 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28479256/a-practical-evidence-based-comprehensive-pec-physical-examination-for-diagnosing-pathology-of-the-long-head-of-the-biceps
#18
REVIEW
Samuel Rosas, Michael K Krill, Kelms Amoo-Achampong, KiHyun Kwon, Benedict U Nwachukwu, Frank McCormick
BACKGROUND: Clinical examination of the shoulder joint has gained attention as clinicians aim to use an evidence-based examination of the biceps tendon, with the desire for a proper diagnosis while minimizing costly imaging procedures. The purpose of this study is to create a decision tree analysis that enables the development of a clinical algorithm for diagnosing long head of biceps (LHB) pathology. METHODS: A literature review of Level I and II diagnostic studies was conducted to extract characteristics of clinical tests for LHB pathology through a systematic review of PubMed, Medline, Ovid, and Cochrane Review databases...
May 4, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28476523/recurrent-focal-myositis-in-childhood-a-case-report-and-systematic-review-of-the-literature
#19
REVIEW
Gregorio P Milani, Marta B M Mazzoni, Helga Gatti, Giuseppe Bertolozzi, Emilio F Fossali
BACKGROUND: Recurrent focal myositis in adulthood has been documented in case reports and case series. Existing textbooks and reviews do not mention or mention only in passing this entity in childhood. We present a patient with recurrent focal myositis and summarize available clinical, laboratory, management, and outcome data on this entity in the pediatric ages. METHOD: We describe a nine-year-old patient with recurrent myositis of the left biceps. The terms "myositis" and "relapsing" or "recurrent" or "recurrence" were searched using the United States National Library of Medicine and the Excerpta Medica Database...
January 24, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28474107/-foot-drop-treatment-by-implantation-of-a%C3%A2-neuroprosthesis-actigait%C3%A2
#20
D Yao, E Jakubowitz, S Ettinger, C Plaass, C Stukenborg-Colsman, K Daniilidis
OBJECTIVE: Gait improvement by restoring dorsiflexion using a neuroprosthesis implant. INDICATIONS: Foot drop with damage to the 1st motor neuron; passive mobility in ankle is possible; adult patients. CONTRAINDICATIONS: Foot drop with peripheral damage and injury to the peroneal nerve; already implanted stimulators (e.g., defibrillator, pacemaker, or pain stimulator); severe anesthesia risks in multimorbid patients. SURGICAL TECHNIQUE: Surgery in lateral position...
May 4, 2017: Operative Orthopädie und Traumatologie
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