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https://www.readbyqxmd.com/read/28630252/alpha-band-brain-oscillations-shape-the-processing-of-perceptible-as-well-as-imperceptible-somatosensory-stimuli-during-selective-attention
#1
Norman Forschack, Till Nierhaus, Matthias M Müller, Arno Villringer
Attention filters and weights sensory information according to behavioral demands. Stimulus-related neural responses are increased for the attended stimulus. Does alpha-band activity mediate this effect and is it restricted to conscious sensory events (suprathreshold), or does it also extend to unconscious stimuli (subthreshold)? To address these questions, we recorded EEG in healthy male and female volunteers undergoing subthreshold and suprathreshold somatosensory electrical stimulation to the left or right index finger...
June 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28627199/hand-span-influences-optimal-grip-span-in-adolescents-with-down-syndrome
#2
José Antonio Casajús, Germán Vicente-Rodríguez, Alejandro González-Agüero, Ángel Matute-Llorente
INTRODUCTION: The hand grip strength test provides useful and reliable information about overall health. Different studies have investigated the optimal grip span for determining maximal hand grip strength in different populations such as adults, adolescents and children without disabilities. OBJECTIVE: To ascertain whether there is an optimal grip span for determining maximal hand grip strength in adolescents with Down syndrome (DS). METHODS: Twenty-seven right-handed youths with DS (seven females) aged 15...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28626855/a-scaling-method-to-individualise-muscle-force-capacities-in-musculoskeletal-models-of-the-hand-and-wrist-using-isometric-strength-measurements
#3
Benjamin Goislard de Monsabert, G Rao, A Gay, E Berton, L Vigouroux
Because the force-generating capacities of muscles are currently estimated using anatomical data obtained from cadaver specimens, hand musculoskeletal models provide only a limited representation of the specific features of individual subjects. A scaling method is proposed to individualise muscle capacities using dynamometric measurements and electromyography. For each subject, a strength profile was first defined by measuring net moments during eight maximum isometric contractions about the wrist and metacarpophalangeal joints...
June 19, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28619683/functional-assessment-and-quality-of-life-in-patients-following-replantation-of-the-distal-half-of-the-forearm-except-fingers-a-review-of-11-cases
#4
U Assouline, D Feuvrier, D Lepage, Y Tropet, L Obert, J Pauchot
The aims of this study were to evaluate the function and quality of life in patients who have undergone replantation of the hand or forearm. We carried out a retrospective single-center study of cases performed between 1977 and 2015. Our hospital's database was searched for patients who underwent replantation of the distal half of the forearm and hand (except the fingers). The evaluation included sensitivity, joint mobility, strength and quality of life. Conventional functional scores were used. Seventeen replantation cases were identified...
June 12, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28619011/to-be-active-through-indoor-climbing-an-exploratory-feasibility-study-in-a-group-of-children-with-cerebral-palsy-and-typically-developing-children
#5
Mark Schram Christensen, Thor Jensen, Camilla B Voigt, Jens Bo Nielsen, Jakob Lorentzen
BACKGROUND: Cerebral Palsy (CP) is the most common cause of motor disabilities in children and young adults and it is also often associated with cognitive and physiological challenges. Climbing requires a multifaceted repertoire of movements, participants at all levels of expertise may be challenged functionally and cognitively, making climbing of great potential interest in (re)habilitation settings. However, until now only few research projects have investigated the feasibility of climbing as a potential activity for heightening physical activity in children with CP and the possible beneficial effects of climbing activities in populations with functional and/or cognitive challenges...
June 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28614420/the-degree-of-cardiac-baroreflex-involvement-during-active-standing-is-associated-with-the-quality-of-life-in-fibromyalgia-patients
#6
Antonio Roberto Zamunér, Alberto Porta, Carolina Pieroni Andrade, Meire Forti, Andrea Marchi, Raffaello Furlan, Franca Barbic, Aparecida Maria Catai, Ester Silva
Fibromyalgia syndrome (FMS) is a rheumatologic disorder characterized by chronic widespread pain, fatigue and other symptoms. Baroreflex dysfunction has been observed in women with FMS. However, it is unknown whether the limited involvement of the baroreflex control during an orthostatic stimulus has some impact on the quality of life of the FMS patient. Therefore, the aim of the study is evaluate the relationship between the quality of life of the FMS patient and indexes of the cardiovascular autonomic control as estimated from spontaneous fluctuations of heart period (HP) and systolic arterial pressure (SAP)...
2017: PloS One
https://www.readbyqxmd.com/read/28608275/robert-mathys-finger-prosthesis-of-the-proximal-interphalangeal-joint-a-retrospective-case-series-of-19-joints-in-17-patients
#7
J P Rijnja, P P G M Kouwenberg, S Ray, E T Walbeehm
INTRODUCTION: The Robert Mathys (RM) Finger is a hinged type of arthroplasty for the metacarpophalangeal and proximal interphalangeal (PIP) joint that compensates ligament instability. The aim of this study is to evaluate the outcomes and complications of RM Finger arthroplasty of the PIP joint. MATERIALS AND METHODS: A retrospective case series of 19 RM Finger arthroplasties of the PIP joint in 17 patients was performed with a median follow-up of 36 months. The active range of motion (AROM) was measured pre-operatively, at the 6-week follow-up, at the termination of hand therapy, and at the final follow-up...
June 12, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28583648/fluorescence-optical-imaging-and-3t-mri-for-detection-of-synovitis-in-patients-with-rheumatoid-arthritis-in-comparison-to-a-composite-standard-of-reference
#8
Klaus Thuermel, Jan Neumann, Pia M Jungmann, Christoph Schäffeler, Simone Waldt, Alexander Heinze, Alexander Beckmann, Christine Hauser, Anna-Lena Hasenau, Moritz Wildgruber, Sigrun Clotten, Matti Sievert, Bernhard Haller, Klaus Woertler, Norbert Harasser, Ernst J Rummeny, Reinhard Meier
OBJECTIVES: To address whether Indocyanine Green (ICG) enhanced fluorescence optical imaging (FOI) is more sensitive than magnetic resonance imaging (MRI) in the detection of synovitis of the wrist and finger joints in rheumatoid arthritis and to analyze the performance of FOI depending on the grade of synovitis. METHODS: Twenty patients with highly active rheumatoid arthritis (mean DAS28-ESR 5.25±1.0) and thirteen healthy volunteers underwent clinical examination, FOI and contrast-enhanced 3T-MRI...
May 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28580720/learned-control-of-inter-hemispheric-connectivity-effects-on-bimanual-motor-performance
#9
Diljit Singh Kajal, Christoph Braun, Jürgen Mellinger, Matthew D Sacchet, Sergio Ruiz, Eberhard Fetz, Niels Birbaumer, Ranganatha Sitaram
Bimanual movements involve the interactions between both primary motor cortices. These interactions are assumed to involve phase-locked oscillatory brain activity referred to as inter-hemispheric functional coupling. So far, inter-hemispheric functional coupling has been investigated as a function of motor performance. These studies report mostly a negative correlation between the performance in motor tasks and the strength of functional coupling. However, correlation might not reflect a causal relationship...
June 5, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28571269/effect-of-pre-procedural-chair-side-finger-stretches-on-pinch-strength-amongst-dental-cohort-a-biomechanical-study
#10
Ninad Milind Padhye, Ashvini Mukul Padhye, Himani Swatantrakumar Gupta
INTRODUCTION: Ergonomics is the essential principle behind the health and successful practice for a dentist and dental hygienist. During the procedure of dental Scaling and Root Planing (SRP), a high level of pinch force is exerted by the finger muscles resulting in early muscle fatigue. AIM: This pilot study comparatively evaluated the Pinch Strength (PS) of the finger muscles, prior to and after SRP, amongst dental cohort performing chair-side hand and finger stretches to those not performing the same...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28566461/separable-systems-for-recovery-of-finger-strength-and-control-after-stroke
#11
Jing Xu, Naveed Ejaz, Benjamin Hertler, Meret Branscheidt, Mario Widmer, Andreia V Faria, Michelle D Harran, Juan C Cortes, Nathan Kim, Pablo A Celnik, Tomoko Kitago, Andreas R Luft, John W Krakauer, Jorn Diedrichsen
Impaired hand function after stroke is a major cause of long-term disability. We developed a novel paradigm that quantifies two critical aspects of hand function, strength and independent control of fingers (individuation), and also removes any obligate dependence between them. Hand recovery was tracked in 54 patients with hemiparesis over the first year after stroke. Most recovery of strength and individuation occurred within the first three months. A novel time-invariant recovery function was identified: recovery of strength and individuation were tightly correlated up to a strength level of approximately 60% of estimated premorbid strength; beyond this threshold, strength improvement was not accompanied by further improvement in individuation...
May 31, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28553628/the-comparison-between-effects-of-12-weeks-combined-training-and-vitamin-d-supplement-on-improvement-of-sensory-motor-neuropathy-in-type-2-diabetic-women
#12
Maryam Nadi, Seyyed Mohammad Marandi, Fahimeh Esfarjani, Mohammad Saleki, Mahboobeh Mohammadi
BACKGROUND: Peripheral neuropathy is a common complaint of diabetes. This study aimed to determine the effects of 12 weeks combined training with Vitamin D supplement on improvement of sensory-motor neuropathy in women with diabetic neuropathy. MATERIALS AND METHODS: This clinical trial study conducted on 90 patients were selected and randomly divided into two groups. Finally, 81 adult females with diabetes type II (20-55 years old) were interred in this study. The control group had no training, but received Vitamin D...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28540738/somatosensory-gating-is-altered-and-associated-with-migraine-chronification-a-magnetoencephalographic-study
#13
Fu-Jung Hsiao, Shuu-Jiun Wang, Yung-Yang Lin, Jong-Ling Fuh, Yu-Chieh Ko, Pei-Ning Wang, Wei-Ta Chen
Background Brain excitability is changed in migraine but not fully characterized yet. This study explored if somatosensory gating is altered in migraine and linked to migraine chronification. Methods Paired electrical stimuli were delivered to the left index fingers of 21 patients with migraine without aura (MO), 22 patients with chronic migraine (CM), and 36 controls. The first and second responses to the paired stimuli were obtained from the contralateral primary (cSI), contralateral secondary (cSII) and ipsilateral secondary (iSII) somatosensory cortices to compute the gating ratios (second vs...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28538530/clinical-assessment-and-diagnostics-of-patients-with-hand-disorders-a-case-study-approach
#14
Mabel Qi He Leow, Rebecca Qian Ru Lim, Shian Chao Tay
Clinical assessment of the hand is important for diagnosing underlying hand disorders. Using a case study approach, the clinical assessment for three disorders of the hands is presented: trigger finger (stenosing tenosynovitis), carpal tunnel syndrome, and ulnar-sided wrist injury (styloid impingement). We assess the annular one pulley and finger range of motion for patients with trigger finger. To diagnose for carpal tunnel syndrome, assessment for Tinel's sign, Phalen's sign, abductor pollicis brevis muscle bulk, two-point discrimination, and obtaining a nerve conduction study are performed...
May 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28532877/task-based-mirror-therapy-enhances-ipsilesional-motor-functions-in-stroke-a-pilot-study
#15
Kamal Narayan Arya, Shanta Pandian, Dharmendra Kumar
OBJECTIVE: To examine the effect of Mirror therapy (MT) on dexterity, coordination, and muscle strength of the less-affected upper limb in stroke. DESIGN: Pre-test post-test, single group, experimental design. SETTING: Rehabilitation institute. PARTICIPANTS: Post-stroke hemiparetic chronic subjects (N = 21). INTERVENTIONS: Forty sessions of MT using various tasks in addition to the conventional rehabilitation...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28532279/the-effect-of-cold-ambient-temperatures-on-climbing-specific-finger-flexor-performance
#16
Kevin Phillips, Byungjoo Noh, Matthew Gage, Tejin Yoon
Different ambient temperatures are known to affect muscular performance based on the type of contraction. The effect of cold (10°C) and thermoneutral (TN) (24°C) ambient temperatures on finger flexor performance was examined in 12 rock climbers. After 30 min of seated rest in the designated temperature condition, participants completed maximal voluntary contractions (MVC) on a climbing-specific finger flexor assessment device equipped with a crimp grip hold. Participants then completed an intermittent fatiguing task until failure...
August 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28527751/hand-strengthening-exercises-in-chronic-stroke-patients-dose-response-evaluation-using-electromyography
#17
Jonas Vinstrup, Joaquin Calatayud, Markus D Jakobsen, Emil Sundstrup, Jørgen R Jørgensen, Jose Casaña, Lars L Andersen
STUDY DESIGN: Cross-sectional. PURPOSE OF THE STUDY: This study evaluates finger flexion and extension strengthening exercises using elastic resistance in chronic stroke patients. METHODS: Eighteen stroke patients (mean age: 56.8 ± 7.6 years) with hemiparesis performed 3 consecutive repetitions of finger flexion and extension, using 3 different elastic resistance levels (easy, moderate, and hard). Surface electromyography was recorded from the flexor digitorum superficialis (FDS) and extensor digitorum (ED) muscles and normalized to the maximal electromyography of the non-paretic arm...
May 17, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28502698/effectiveness-of-a-fine-motor-skills-rehabilitation-program-on-upper-limb-disability-manual-dexterity-pinch-strength-range-of-fingers-motion-performance-in-activities-of-daily-living-functional-independency-and-general-self-efficacy-in-hand-osteoarthritis-a
#18
Jose Manuel Pérez-Mármol, Ma Carmen García-Ríos, María Azucena Ortega-Valdivieso, Enrique Elías Cano-Deltell, María Isabel Peralta-Ramírez, Kelly Ickmans, María Encarnación Aguilar-Ferrándiz
STUDY DESIGN: A randomized clinical trial. INTRODUCTION: Rehabilitation treatments for improving fine motor skills (FMS) in hand osteoarthritis (HOA) have not been well explored yet. PURPOSE OF THE STUDY: To assess the effectiveness of a rehabilitation program on upper limb disability, independence of activities of daily living (ADLs), fine motor abilities, functional independency, and general self-efficacy in older adults with HOA. METHODS: About 45 adults (74-86 years) with HOA were assigned to an experimental group for completing an FMS intervention or a control group receiving conventional occupational therapy...
May 11, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28501340/epitendinous-first-repair-of-zone-ii-flexor-digitorum-profundus-results-in-decreased-gliding-resistance
#19
Michael G Galvez, Garet C Comer, Arhana Chattopadhyay, Chao Long, Anthony W Behn, James Chang
PURPOSE: The importance of flexor tendon repair with both core and epitendinous suture placement has been well established. The objective of this study was to determine whether suture placement order affects gliding resistance and bunching in flexor digitorum profundus tendons in a human ex vivo model. METHODS: The flexor digitorum profundus tendons of the index, middle, ring, and little fingers of paired cadaver forearms were tested intact for excursion and mean gliding resistance in flexion and extension across the A2 pulley...
May 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28500954/finger-forces-in-fastball-baseball-pitching
#20
Hiroshi Kinoshita, Satoshi Obata, Daiki Nasu, Koji Kadota, Tomoyuki Matsuo, Glenn S Fleisig
Forces imparted by the fingers onto a baseball are the final, critical aspects for pitching, however these forces have not been quantified previously as no biomechanical technology was available. In this study, an instrumented baseball was developed for direct measurement of ball reaction force by individual fingers and used to provide fundamental information on the forces during a fastball pitch. A tri-axial force transducer with a cable having an easily-detachable connector were installed in an official baseball...
May 10, 2017: Human Movement Science
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