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https://www.readbyqxmd.com/read/29765311/altered-sense-of-body-ownership-and-agency-in-posttraumatic-stress-disorder-and-its-dissociative-subtype-a-rubber-hand-illusion-study
#1
Daniela Rabellino, Dalila Burin, Sherain Harricharan, Chantelle Lloyd, Paul A Frewen, Margaret C McKinnon, Ruth A Lanius
Traumatic experiences have been linked to the development of altered states of consciousness affecting bodily perception, including alterations in body ownership and in sense of agency, the conscious experience of the body as one's own and under voluntary control. Severe psychological trauma and prolonged distress may lead to posttraumatic stress disorder (PTSD). Together, symptoms of derealization and, related specifically to the sense of body ownership and agency, of depersonalization (where parts of the body or the entire body itself is perceived as detached and out of control), constitute the dissociative subtype (PTSD+DS)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29762276/short-term-effect-of-low-dose-electromyography-guided-botulinum-toxin-a-injection-in-the-treatment-of-chronic-lateral-epicondylar-tendinopathy-a-randomized-double-blinded-study
#2
Alexandre Creuzé, Hervé Petit, Mathieu de Sèze
BACKGROUND: Botulinum toxin A (BoNT-A) is a novel treatment for chronic lateral epicondylar tendinopathy. Preliminary studies have demonstrated promising results; however, confirmation of the effectiveness of BoNT-A treatment and further assessment of its side effects are required. This study investigated the analgesic effects of BoNT-A in the treatment of chronic lateral epicondylar tendinopathy. METHODS: This was a phase-III, single-center, randomized, double-blinded, placebo-controlled study including 60 patients with chronic lateral epicondylar tendinopathy that had been resistant to treatment for >6 months...
May 16, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29751209/differential-involvement-of-forearm-muscles-in-als-does-not-relate-to-sonographic-structural-nerve-alterations
#3
Stefanie Schreiber, Frank Schreiber, Grazyna Debska-Vielhaber, Cornelia Garz, Nathalie Hensiek, Judith Machts, Susanne Abdulla, Reinhard Dengler, Susanne Petri, Peter J Nestor, Stefan Vielhaber
OBJECTIVE: We aimed to assess whether differential peripheral nerve involvement parallels dissociated forearm muscle weakness in amyotrophic lateral sclerosis (ALS). METHODS: The analysis comprised 41 ALS patients and 18 age-, sex-, height- and weight-matched healthy controls. Strength of finger-extension and -flexion was measured using the Medical Research Council (MRC) scale. Radial, median and ulnar nerve sonographic cross-sectional area (CSA) and echogenicity, expressed by the hypoechoic fraction (HF), were determined...
May 1, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29745692/hand-preferences-in-two-unimanual-and-two-bimanual-coordinated-tasks-in-the-black-handed-spider-monkey-ateles-geoffroyi
#4
Alba Motes Rodrigo, Carlos Eduardo Ramirez Torres, Laura Teresa Hernandez Salazar, Matthias Laska
Spider monkeys are interesting to study with regard to hand preferences, as they are one of the few primate species that lack a thumb and, thus, are unable to perform a precision grip. Further, being platyrrhine primates, they also largely lack independent motor control of the digits and, thus, have only limited manual dexterity. It was therefore the aim of the present study to assess hand preferences in black-handed spider monkeys ( Ateles geoffroyi ) in 4 tasks differing in task demand: simple unimanual reaching for food and 3 versions of the widely used tube task, including 2 bimanual versions that differ from each other in the degree of fine motor control needed and a unimanual version that does not require coordinated action of the hands...
May 2018: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/29741590/rate-of-muscle-contraction-is-associated-with-cognition-in-women-not-in-men
#5
Qu Tian, Yusuke Osawa, Susan M Resnick, Luigi Ferrucci, Stephanie A Studenski
Background: In older persons, lower hand grip strength is associated with poorer cognition. Little is known about how the rate of muscle contraction relates to cognition and upper extremity motor function, and sex differences are understudied. Methods: Linear regression, adjusting for age, race, education, body mass index, appendicular lean mass, and knee pain assessed sex-specific cross-sectional associations of peak torque, rate of torque development (RTD) and rate of velocity development (RVD) with cognition and upper extremity motor function...
May 8, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29735925/investigation-of-the-use-of-a-bio-derived-solvent-for-non-solvent-induced-phase-separation-nips-fabrication-of-polysulfone-membranes
#6
Xiaobo Dong, Amna Al-Jumaily, Isabel C Escobar
Organic solvents, such as N -methyl-2-pyrrolidone (NMP) and dimethylacetamide (DMAc), have been traditionally used to fabricate polymeric membranes. These solvents may have a negative impact on the environment and human health; therefore, using renewable solvents derived from biomass is of great interest to make membrane fabrication sustainable. Methyl-5-(dimethylamino)-2-methyl-5-oxopentanoate (Rhodiasolv PolarClean) is a bio-derived, biodegradable, nonflammable and nonvolatile solvent. Polysulfone is a commonly used polymer to fabricate membranes due to its thermal stability, strong mechanical strength and good chemical resistance...
May 7, 2018: Membranes
https://www.readbyqxmd.com/read/29725505/outcome-of-tendon-transfers-for-radial-nerve-palsy-in-a-malaysian-tertiary-centre
#7
J Richford, S Abdullah, M Norhafizah, I Juliana, F Rashdeen, A Razana
Tendon transfers for radial nerve palsy is a common operation with good results. We did a retrospective study on twenty patients with radial nerve palsy who underwent tendon transfer surgery and recovered between January 2008 and December 2012. Outcomes measured were motor power of wrist extension, finger extension, grip strength and DASH scores. There was significant improvement of motor power of wrist and finger extension between the preoperative period and three months post-operatively, between the pre operative period and six months post operatively and between three and six months postoperatively (p = 0...
March 2018: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/29706729/use-of-a-multivector-mandibular-distractor-for-treatment-of-pediatric-proximal-interphalangeal-joint-pilon-fractures-a-case-based-review
#8
Rachel Pedreira, Brian H Cho, Angela Geer, Ramon A DeJesus
Background: The difficulties in surgical treatment of pilon fractures of the finger include fragment reconstitution and posthealing stiffness. In adults, external fixation with traction and early active range of motion (AROM)/passive range of motion (PROM) during healing is considered necessary for avoiding joint stiffness and attaining realignment. The authors present a unique approach to pediatric pilon fractures that uses open reduction and multivector external fixation with delayed AROM/PROM...
April 2018: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/29702048/nerve-transfer-surgery-for-penetrating-upper-extremity-injuries
#9
Efstathios Karamanos, Ilya Rakitin, Sophie Dream, Aamir Siddiqui
CONTEXT: Nerve transfer surgery is an option for repair of penetrating injuries of the upper extremity. In the right setting, it has advantages over tendon transfers and nerve grafting. OBJECTIVE: To review our experience since 2006 of nerve transfer surgery in the upper extremities. DESIGN: We included cases performed to repair penetrating trauma within three months of injury with at least three years' follow-up. MAIN OUTCOME MEASURES: Preoperative and postoperative muscle strength of the affected extremity...
April 9, 2018: Permanente Journal
https://www.readbyqxmd.com/read/29696994/the-impact-of-musical-training-on-hand-biomechanics-in-string-musicians
#10
Stacey L Gorniak, Evan D Collins, Kimberly Goldie Staines, Forrest A Brooks, Ricardo V Young
BACKGROUND: The effects of musical training on the body in professional musicians remain an understudied area, particularly in reference to understanding and managing orthopedic/neuromuscular deviations and injuries in this population. The purpose of this study was to evaluate hand/finger fine motor function in musicians via physical examination as well as laboratory-based evaluations. METHODS: Thirteen healthy noninjured young elite string musicians participated in this study...
April 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29681928/recovery-of-the-20-hz-rebound-to-tactile-and-proprioceptive-stimulation-after-stroke
#11
Eeva Parkkonen, Kristina Laaksonen, Lauri Parkkonen, Nina Forss
Sensorimotor integration is closely linked to changes in motor-cortical excitability, observable in the modulation of the 20 Hz rhythm. After somatosensory stimulation, the rhythm transiently increases as a rebound that reflects motor-cortex inhibition. Stroke-induced alterations in afferent input likely affect motor-cortex excitability and motor recovery. To study the role of somatosensory afferents in motor-cortex excitability after stroke, we employed magnetoencephalographic recordings (MEG) at 1-7 days, one month, and 12 months in 23 patients with stroke in the middle cerebral artery territory and 22 healthy controls...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29675770/sports-participation-and-fracture-in-older-australian-men
#12
Kara L Holloway-Kew, David J Moloney, Gosia Bucki-Smith, Natalie K Hyde, Sharon L Brennan-Olsen, Elizabeth N Timney, Amelia G Dobbins, Julie A Pasco
Older men who participated in a sporting activity were less likely to sustain any fracture or major osteoporotic fracture over a 6-year follow-up period. PURPOSE: Regular weight-bearing physical activity can reduce fracture risk through an increase in bone strength, as well as reducing falls risk by improving muscle strength and balance. In this study, we aimed to determine whether a specific type of physical activity, sports participation, reduces fracture risk in older Australian men...
April 19, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29644301/pseudoaneurysm-of-brachial-artery-a-rare-cause-of-median-nerve-compression
#13
João Lobo, Mariana Cunha Ferreira, Pedro Negrão Ramos
Background: The authors present an unusual clinical case of high median nerve compression caused by an iatrogenic pseudoaneurysm of the brachial artery after an angiography with a follow up of 9 months. Methods: A 73-year-old male was seen with progressive numbness, loss of opponency and diminution of strength of finger flexion in the left hand after an angiography with direct puncture of the left humeral artery. Physical examination revealed a hard consistency internal distal arm swelling with the size of a walnut, non-pulsatile and with a Tinel sign on percussion...
April 2018: Trauma Case Reports
https://www.readbyqxmd.com/read/29619888/proximal-interphalangeal-joint-silicone-arthroplasty-for-osteoarthritis-midterm-outcomes
#14
Nima Naghshineh, Kanu Goyal, Juan M Giugale, Mithun K Neral, Joel V Ferreira, Glenn A Buterbaugh, Joseph E Imbriglia
BACKGROUND: Osteoarthritis of the proximal interphalangeal (PIP) joint affects a large percentage of the population and can lead to significant functional disability. The purpose of this study is to evaluate the midterm clinical effectiveness of PIP joint arthroplasty for nonrheumatic arthritis. METHODS: A single-center retrospective cohort study evaluating preoperative and postoperative objective and subjective measures was conducted. Range of motion (ROM), Disabilities of the Arm, Shoulder and Hand scores, key pinch strength, grip strength, and satisfaction with respect to pain, deformity, function, and strength were measured...
April 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29605519/a-new-direct-measure-of-thumb-use-in-children-after-index-pollicization-for-congenital-thumb-hypoplasia
#15
Kathleen M Kollitz, Wendy A Tomhave, Ann E Van Heest, Steven L Moran
PURPOSE: After index pollicization for congenital thumb hypoplasia, time-based hand dexterity tests do not indicate whether the new thumb is being used by a child. The Thumb Grasp and Pinch assessment (T-GAP) is a new outcome measure that classifies grasp and pinch styles to quantify use of the new thumb. The goal of this study was to establish concurrent validity and construct validity in the T-GAP. METHODS: Data from children treated with index finger pollicization for congenital thumb hypoplasia were retrospectively reviewed...
March 28, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29594333/the-effectiveness-of-the-low-power-laser-and-kinesiotaping-in-the-treatment-of-carpal-tunnel-syndrome-a-pilot-study
#16
A Güner, L Altan, M Kasapoğlu Aksoy
In mild and moderate cases of carpal tunnel syndrome (CTS), the conservative approach is suggested. The purpose of this study is to assess and compare the effect of low-power laser versus the combination of low-power laser and kinesiotaping on pain, muscle strength, functionality, and electrophysiologic parameters in the patients with CTS. The study was planned as single-blind, prospective, randomized control. 64 hands diagnosed with CTS were included in the study. The patients were randomly divided into three groups by closed envelope method...
March 28, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29590700/-results-of-the-reconstruction-of-the-middle-phalangeal-base-of-the-finger-through-an-osteochondral-autograft-from-the-hamate-bone
#17
Thomas Pillukat, Karlheinz Kalb, Joachim Windolf, Jörg van Schoonhoven
OBJECTIVE: The fractured base of the middle phalanx was reconstructed in 13 patients using an osteochondral transplant from the carpometacarpal joint surface of the hamate bone. The goal was to restore joint stability with preservation of mobility. Indications were acute and missed isolated destruction of the palmar middle phalanx base ≥ 30 %. Contraindications were destruction of the head of the proximal phalanx, advanced chondropathy of the head of the proximal phalanx, and extensive soft tissue injury with loss of skin coverage for the proximal interphalangeal joint...
February 2018: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/29587604/effect-of-immobilization-of-the-distal-interphalangeal-joint-of-fingers-on-grip-strength
#18
Feiran Wu, Saurabh Sagar Mehta, David Dickson, Dee Catchpole, Chye Yew Ng
Arthrodesis of the distal interphalangeal joint of the finger is an effective salvage treatment for end-stage arthropathy of the joint. This study aimed to evaluate the effect of simulated fusion of individual distal interphalangeal joints on the overall grip strength of the hand. Custom moulded thermoplastic splints were used to simulate fusion by immobilizing the index, middle, ring and little fingers' distal interphalangeal joints in turn in both hands of 56 healthy participants. Testing was performed with no immobilization and after immobilization of each of the individual digits...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29581664/effects-of-inspiratory-muscle-training-on-pulmonary-functions-and-muscle-strength-in-sedentary-hemodialysis-patients
#19
Heba A Bahey El-Deen, Fahad Salam Alanazi, Khaled Takey Ahmed
[Purpose] This study was conducted to evaluate the effect of Inspiratory Muscle Trainer (IMT) on respiratory muscle strength and pulmonary functions. [Subjects and Methods] Fifteen sedentary unemployed patients were recruited from both genders who received regular hemodialysis sessions from at least three months. Those patients received Threshold IMT program for 12 weeks. Pulmonary functions and respiratory muscle strength in form of (PImax) and (PEmax) were measured by electronic spirometry and digital pressure vacuum meter respectively...
March 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29578838/reliability-and-validity-of-finger-strength-and-endurance-measurements-in-rock-climbing
#20
Michail Lubomirov Michailov, Jiří Baláš, Stoyan Kolev Tanev, Hristo Stoyanov Andonov, Jan Kodejška, Lee Brown
PURPOSE: An advanced system for the assessment of climbing-specific performance was developed and used to: (a) investigate the effect of arm fixation (AF) on construct validity evidence and reliability of climbing-specific finger-strength measurement; (b) assess reliability of finger-strength and endurance measurements; and (c) evaluate the relationship between finger flexor all-out test scores and climbing ability. METHODS: To determine the effect of AF, 22 male climbers performed 2 maximal strength and all-out tests with AF (shoulder and elbow flexed at 90°) and without AF (shoulder flexed at 180° and elbow fully extended)...
March 26, 2018: Research Quarterly for Exercise and Sport
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