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upper limb functions

Júlio C Castro, Pedro S Coltro, Lincoln S Millan, Fernanda B Corrêa, Jayme A Farina Junior
Some groups have avoided early microsurgical flaps in electrical burns under the pretext of injury to the microvasculature, which could increase vascular thrombosis. However, this option frequently results in amputation of the extremity. This study aims to evaluate the early application of microsurgical flaps for the treatment of electrical burns of extremities. A case series was retrospectively evaluated including patients with electrical trauma in extremities undergoing early microsurgical reconstruction...
December 4, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
Timothy K Lam, Malcolm A Binns, Kie Honjo, Deirdre R Dawson, Bernhard Ross, Donald T Stuss, Sandra E Black, J Jean Chen, Takako Fujioka, Joyce L Chen
Biomarkers that represent the structural and functional integrity of the motor system enable us to better assess motor outcome post-stroke. The degree of overlap between the stroke lesion and corticospinal tract (CST Injury) is a measure of the structural integrity of the motor system, whereas the left-to-right motor cortex resting state connectivity (LM1-RM1 rs-connectivity) is a measure of its functional integrity. CST Injury and LM1-RM1 rs-connectivity each individually correlate with motor outcome post-stroke, but less is understood about the relationship between these biomarkers...
June 21, 2018: Scientific Reports
Micaela Raices, Ignacio Fuente, Fanny Rodriguez, Fernando Wright
With the worldwide epidemic of obesity, there has been an increase in the numbers of primary and revisional procedures of bariatric surgery such as the Roux-en-Y gastric bypass (RYGBP). Nevertheless, this type of surgery is not exempt from complications. An excessive length of non-functional Roux limb proximal to the jejunojejunostomy can cause abnormal upper gastrointestinal symptoms after laparoscopic RYGBP. We present the case of a female patient who presented these unspecific abdominal symptoms after laparoscopic RYGBP who underwent laparoscopic resection in order to reduce the length of the dilated blind loop responsible for the symptoms...
June 20, 2018: BMJ Case Reports
Aïda M Valevicius, Quinn A Boser, Ewen B Lavoie, Glyn S Murgatroyd, Patrick M Pilarski, Craig S Chapman, Albert H Vette, Jacqueline S Hebert
BACKGROUND: Dexterous hand function is crucial for completing activities of daily living (ADLs), which typically require precise hand-object interactions. Kinematic analyses of hand trajectory, hand velocity, and grip aperture provide valuable mechanistic insights into task performance, but there is a need for standardized tasks representative of ADLs that are amenable to motion capture and show consistent performance in non-disabled individuals. Our objective was to develop two standardized functional upper limb tasks and to quantitatively characterize the kinematics of normative hand movement...
2018: PloS One
Jodi Vertz, Diana Deblanc, Marie Rhodin, Thilo Pfau
In trotting horses, movement asymmetry is associated with ground reaction force asymmetry. In humans, limb length differences influence contralateral force production. Here we investigate whether horses, in immediate reaction to limb length changes, show movement asymmetry adaptations consistent with reported force differences. Aim of this study was to quantify pelvic and compensatory head and withers movement asymmetry as a function of limb length changes after application of orthotic lifts. In this experimental study movement asymmetry of eleven trotting horses was calculated from vertical displacement of poll, withers, sacrum and left and right tuber coxae with inertial sensors...
2018: PloS One
Claudia Brogna, Lara Cristiano, Tommaso Tartaglione, Tommaso Verdolotti, Lavinia Fanelli, Luana Ficociello, Giorgio Tasca, Roberta Battini, Giorgia Coratti, Nicola Forcina, Roberto De Santis, Giulia Norcia, Sara Carnicella, Cesare Colosimo, Pierre Carlier, Marika Pane, Eugenio Mercuri
The aim of the study was to evaluate the spectrum of upper limb functional activities and imaging finding in a cohort of patients affected by Duchenne muscular dystrophy. Thirty-one patients of age between 5 and 29 years were included in the study (17 ambulant and 14 non-ambulant). They were all assessed using the Performance of Upper Limb (PUL) test and muscle MRI of shoulder, arm and forearm in order to establish if the functional scores obtained at shoulder, mid and distal level related to specific patterns of involvement in each upper limb segment on muscle MRI...
2018: PloS One
Marika Pane, Giorgia Coratti, Claudia Brogna, Elena Stacy Mazzone, Anna Mayhew, Lavinia Fanelli, Sonia Messina, Adele D'Amico, Michela Catteruccia, Marianna Scutifero, Silvia Frosini, Valentina Lanzillotta, Giulia Colia, Filippo Cavallaro, Enrica Rolle, Roberto De Sanctis, Nicola Forcina, Roberta Petillo, Andrea Barp, Alice Gardani, Antonella Pini, Giulia Monaco, Maria Grazia D'Angelo, Riccardo Zanin, Gian Luca Vita, Claudio Bruno, Tiziana Mongini, Federica Ricci, Elena Pegoraro, Luca Bello, Angela Berardinelli, Roberta Battini, Valeria Sansone, Emilio Albamonte, Giovanni Baranello, Enrico Bertini, Luisa Politano, Maria Pia Sormani, Eugenio Mercuri
The aim of the study was to establish 24 month changes in upper limb function using a revised version of the performance of upper limb test (PUL 2.0) in a large cohort of ambulant and non-ambulant boys with Duchenne muscular dystrophy and to identify possible trajectories of progression. Of the 187 patients studied, 87 were ambulant (age range: 7-15.8 years), and 90 non-ambulant (age range: 9.08-24.78). The total scores changed significantly over time (p<0.001). Non-ambulant patients had lower total scores at baseline (mean 19...
2018: PloS One
Won-Seok Kim, Sungmin Cho, Seo Hyun Park, Ji-Young Lee, SuYeon Kwon, Nam-Jong Paik
BACKGROUND: We designed this study to prove the efficacy of the low-cost Kinect-based virtual rehabilitation (VR) system for upper limb recovery among patients with subacute stroke. METHODS: A double-blind, randomized, sham-controlled trial was performed. A total of 23 subjects with subacute stroke (<3 months) were allocated to sham (n = 11) and real VR group (n = 12). Both groups participated in a daily 30-minute occupational therapy for upper limb recovery for 10 consecutive weekdays...
June 2018: Medicine (Baltimore)
Cristina Rosazza, Francesco Deleo, Ludovico D'Incerti, Luigi Antelmi, Giovanni Tringali, Giuseppe Didato, Maria G Bruzzone, Flavio Villani, Francesco Ghielmetti
Objective: Mechanisms of motor plasticity are critical to maintain motor functions after cerebral damage. This study explores the mechanisms of motor reorganization occurring before and after surgery in four patients with drug-refractory epilepsy candidate to disconnective surgery. Methods: We studied four patients with early damage, who underwent tailored hemispheric surgery in adulthood, removing the cortical motor areas and disconnecting the corticospinal tract (CST) from the affected hemisphere. Motor functions were assessed clinically, with functional MRI (fMRI) tasks of arm and leg movement and Diffusion Tensor Imaging (DTI) before and after surgery with assessments of up to 3 years...
2018: Frontiers in Neurology
Cathryn R Baldwin, Amy J Harry, Lynda J Power, Katherine L Pope, Katherine E Harding
BACKGROUND/AIM: The National Stroke Foundation recommends that Occupational Therapists use Constraint-Induced Movement Therapy (CIMT) with stroke survivors that experience an upper limb deficit. CIMT involves constraining the unaffected upper limb coupled with intensive therapy. The aim of this study was to evaluate the feasibility and effectiveness of a modified, low intensity version of CIMT (mCIMT) provided within usual resources of an Australian community rehabilitation setting. METHODS: A pilot randomised control trial (n = 19) was conducted with stroke survivors referred for community rehabilitation...
June 19, 2018: Australian Occupational Therapy Journal
Dhakshin S Ramanathan, Ling Guo, Tanuj Gulati, Gray Davidson, April K Hishinuma, Seok-Joon Won, Robert T Knight, Edward F Chang, Raymond A Swanson, Karunesh Ganguly
Recent work has highlighted the importance of transient low-frequency oscillatory (LFO; <4 Hz) activity in the healthy primary motor cortex during skilled upper-limb tasks. These brief bouts of oscillatory activity may establish the timing or sequencing of motor actions. Here, we show that LFOs track motor recovery post-stroke and can be a physiological target for neuromodulation. In rodents, we found that reach-related LFOs, as measured in both the local field potential and the related spiking activity, were diminished after stroke and that spontaneous recovery was closely correlated with their restoration in the perilesional cortex...
June 18, 2018: Nature Medicine
Timothy Reissman, Elizabeth Halsne, Robert Lipschutz, Laura Miller, Todd Kuiken
We present the development and evaluation of a gel liner system for upper limb prosthesis users that enables acquisition of electromyographic (myoelectric) control signals through embedded electrodes and flexible, conductive fabric leads. This liner system is constructed using a manufacturing approach rather than by modifying a commercially available liner. To evaluate the efficacy, eight male individuals with transhumeral amputations used this system, with standard myoelectric prostheses, for home trials lasting an average of 7...
2018: PloS One
Yu-Lun Chen, Hao-Ling Chen, Jeng-Yi Shieh, Tien-Ni Wang
AIMS: Constraint-induced therapy (CIT) is effective, but concerns have been repeatedly raised regarding the generalizability, feasibility, and potentially intrusive nature of restraining a child's unimpaired upper limb. We examined the feasibility and efficacy of friendly-CIT, which uses home-based model, a caregiver-determined schedule, and gentle restraint, in children with cerebral palsy. METHODS: In a one-group pre-post intervention trial, 15 children (median of age = 8 years, 4 months) participated in 8 weeks of friendly-CIT (36 hours)...
June 18, 2018: Physical & Occupational Therapy in Pediatrics
Beat Knechtle, Pantelis T Nikolaidis
In this overview, we summarize the findings of the literature with regards to physiology and pathophysiology of ultra-marathon running. The number of ultra-marathon races and the number of official finishers considerably increased in the last decades especially due to the increased number of female and age-group runners. A typical ultra-marathoner is male, married, well-educated, and ~45 years old. Female ultra-marathoners account for ~20% of the total number of finishers. Ultra-marathoners are older and have a larger weekly training volume, but run more slowly during training compared to marathoners...
2018: Frontiers in Physiology
Sarah A F Taylor, Angela E Kedgley, Alexander Humphries, Aliah F Shaheen
Kinematic assessments of the upper limb during activities of daily living (ADLs) are used as an objective measure of upper limb function. The implementation of ADLs varies between studies; whilst some make use of props and define a functional target, others use simplified tasks to simulate the movements in ADLs. Simulated tasks have been used as an attempt to reduce the large movement variability associated with the upper limb. However, it is not known whether simulated tasks replicate the movements required to complete ADLs or reduce movement variability...
June 9, 2018: Journal of Biomechanics
Haojie Cui, Ge Xiong, Chunlin Zhang, Zirun Xiao
Objective: To investigate pathogenesis, diagnosis, and treatment of crush syndrome of chest and arm. Methods: Between January 2010 and January 2015, 5 cases of crush syndrome of chest and arm caused by pressing oneself in a coma after CO poisoning or alcoholic intoxication were treated. There were 4 males and 1 female with an average age of 36.7 years (range, 28-46 years). Two patients involved left upper limb and chest, while the other three patients involved right upper limb and chest...
June 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
Simona Portaro, Vincenzo Cimino, Maria Accorinti, Alessandra Pidalà, Antonino Naro, Rocco S Calabrò
BACKGROUND: Amyotrophic Lateral Sclerosis flail arm (ALS-FA) is a motor neuron disease form confined to the upper limbs (cervical spinal cord region), often with asymmetric onset. To date, there is no defined neurorehabilitative strategy for ALS patients, although aerobic exercises may be of some help. CASE REPORT: A 69 year-old woman affected by ALS-FA was admitted to our research institute because of upper limb muscles weakness. She was then submitted to two different conventional physiotherapy programs, the first stand-alone and the second combined to a robotic treatment...
June 14, 2018: European Journal of Physical and Rehabilitation Medicine
Susanne P Clinch, Monica Busse, Mariah J Lelos, Anne E Rosser
The basal ganglia are implicated in a wide range of motor, cognitive and behavioral activities required for normal function. This region is predominantly affected in Huntington's disease (HD), meaning that functional ability progressively worsens. However, functional outcome measures for HD, particularly those for the upper limb, are limited meaning there is an imperative for well-defined, quantitative measures. Here we describe the development and evaluation of the Moneybox test (MBT). This novel, functional upper limb assessment was developed in accordance with translational neuroscience and physiological principles for people with a broad disease manifestation, such as HD...
2018: Frontiers in Neuroscience
W G Darling, J Ge, K S Stilwell-Morecraft, D L Rotella, M A Pizzimenti, R J Morecraft
We tested the hypothesis that arm/hand motor recovery after injury of lateral sensorimotor cortex is associated with upregulation of the corticoreticular projection (CRP) from supplementary motor cortex (M2) to the gigantocellular reticular nucleus of the medulla (Gi). Three groups of rhesus monkeys of both genders were studied: 5 controls, 4 cases with lesions of the arm/hand area of M1 and lateral premotor cortex (LPMC) (F2 lesion group) and 5 cases with lesions of the arm/hand area of M1, LPMC, S1 and anterior parietal cortex (F2P2 lesion group)...
June 13, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
S Tongprasert, A Namchandee, K Sotthipoka, P Kammuang-Lue
STUDY DESIGN: It is a psychometrics study. OBJECTIVE: To assess the inter-rater reliability of the International Spinal Cord Injury Upper Extremity Basic Data Set (ISCI-UE). SETTING: Maharaj Nakorn Chiang Mai Hospital, Chiang Mai, Thailand. METHODS: Individuals with subacute and chronic cervical spinal cord injury (SCI) were recruited. One examiner rated five parts of the ISCI-UE, including the ability to reach and grasp, the shoulder function classification, utilization of adaptive devices used to enhance upper-extremity function, complications affecting upper-extremity function, and upper extremity/hand reconstructive surgery...
June 12, 2018: Spinal Cord
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