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https://www.readbyqxmd.com/read/28549839/vitamin-b12-deficiency-might-be-related-to-sarcopenia-in-older-adults
#1
Esra Ates Bulut, Pinar Soysal, Ali Ekrem Aydin, Ozge Dokuzlar, Suleyman Emre Kocyigit, Ahmet Turan Isik
Sarcopenia and dynapenia are related to repeated falls, mobility restriction, depression, frailty, increased mortality and morbidity. The aim of this study is to evaluate the relationship between vitamin B12 deficiency and sarcopenia in older adults. 403 patients, who attended to outpatient clinic and underwent comprehensive geriatric assessment, were included study. All cases' skeletal muscle mass (SMM), walking speed and hand grip strength were recorded by bioimpedance, 4meter walking test and hand dynamometer respectively...
May 23, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28545015/motor-unit-number-index-munix-in-patients-with-anti-mag-neuropathy
#2
Farzad Fatehi, Emilien Delmont, Aude-Marie Grapperon, Emmanuelle Salort-Campana, Amandine Sévy, Annie Verschueren, José Boucraut, Shahram Attarian
OBJECTIVE: To investigate the relationship between Motor Unit Number Index (MUNIX) and functional scales in patients with anti-Myelin Associated Glycoprotein (MAG) neuropathy and to know if MUNIX is modify after rituximab (RTX) therapy. METHODS: 17 patients were enrolled, of whom 6 were prospectively evaluated during one year after RTX treatment. MUNIX technique was assessed in abductor digiti mini (ADM), abductor pollicis brevi (APB) and tibialis anterior (TA) muscles...
May 9, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28542729/occupational-manual-activity-is-reflected-on-the-patterns-among-hand-entheses
#3
Fotios Alexandros Karakostis, Gerhard Hotz, Heike Scherf, Joachim Wahl, Katerina Harvati
OBJECTIVES: In anthropological sciences, entheses are widely utilized as occupational stress markers. However, the reaction of entheseal surfaces to mechanical loading is not well understood. Furthermore, previous studies on entheses relied on the individuals' occupation-at-death. Past research by one of us has identified two patterns among hand entheses, proposing that they reflect two synergistic muscle groups. Here, we investigate the association between these patterns and habitual manual activity using an extensively documented skeletal sample and a three-dimensional system of quantification...
May 24, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28541374/motor-function-and-incident-dementia-a-systematic-review-and-meta-analysis
#4
Jacqueline Kathleen Kueper, Mark Speechley, Navena Rebecca Lingum, Manuel Montero-Odasso
Background: cognitive and mobility decline are interrelated processes, whereby mobility decline coincides or precedes the onset of cognitive decline. Objective: to assess whether there is an association between performance on motor function tests and incident dementia. Methods: electronic database, grey literature and hand searching identified studies testing for associations between baseline motor function and incident dementia in older adults...
May 25, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28539380/sarcopenic-obesity-weight-loss-and-mortality-the-english-longitudinal-study-of-ageing
#5
Mark Hamer, Gary O'Donovan
Background: Age-related sarcopenia describes the loss of muscle strength and often accompanies an increase in adiposity in the elderly.Objective: We examined the association of sarcopenic obesity and changes in muscle strength and weight with the risk of mortality.Design: Participants (n = 6864) were community-dwelling men and women (45.6% men; 54.4% women; mean ± SD age: 66.2 ± 9.5 y) from the English Longitudinal Study of Ageing. Handgrip strength and body mass index (BMI; in kg/m(2)) were measured at baseline and at a 4-y follow-up...
May 24, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28538530/clinical-assessment-and-diagnostics-of-patients-with-hand-disorders-a-case-study-approach
#6
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/28533593/effects-of-repeated-vibratory-stimulation-of-wrist-and-elbow-flexors-on-hand-dexterity-strength-and-sensory-function-in-patients-with-chronic-stroke-a-pilot-study
#7
Won-Ho Choi
[Purpose] The aim of this study was to investigate the effects of repeated vibratory stimulation to muscles related to hand functions on dexterity, strength, and sensory function in patients with chronic stroke. [Subjects and Methods] A total of 10 stroke patients with hemiplegia participated in this study. They were divided into two groups: a) Experimental and b) Control, with five randomly selected subjects for each group. The experimental group received vibratory stimulation, while the control group received the traditional physical therapy...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28527751/hand-strengthening-exercises-in-chronic-stroke-patients-dose-response-evaluation-using-electromyography
#8
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/28517036/prevalence-of-muscle-weakness-based-on-different-diagnostic-criteria-in-community-dwelling-older-adults-a-comparison-of-grip-strength-dynamometers
#9
Miji Kim, Shoji Shinkai
AIM: The present study compared the performance of the Jamar and Smedley dynamometers for the measurement of grip strength, and the two dynamometers were used to determine the prevalence rate of weakness in a large, community-dwelling, older adult population, based on different diagnostic criteria. METHODS: A total of 467 community-dwelling older adults aged 69-89 years were recruited into the study. Grip strength was measured with two dynamometers; the Jamar hydraulic hand dynamometer was used as the reference device...
May 18, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28512698/repair-of-the-pronator-quadratus-after-volar-plate-fixation-in-distal-radius-fractures-a-systematic-review
#10
REVIEW
Marjolein A M Mulders, Monique M J Walenkamp, Fernande J M E Bos, Niels W L Schep, J Carel Goslings
To position the volar plate on the distal radius fracture site, the pronator quadratus muscle needs to be detached from its distal and radial side and lifted for optimal exposure to the fracture site. Although the conventional approach involves repair of the pronator quadratus, controversy surrounds the merits of this repair. The purpose of this study was to compare the functional outcomes of patients with distal radius fractures treated with pronator quadratus repair after volar plate fixation versus no pronator quadratus repair...
May 17, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28509696/on-top-index-pollicization-after-a-partial-amputation-of-a-syndactylized-hypoplastic-thumb-in-a-patient-with-townes-brocks-syndrome
#11
Mia Lorencin, Kresimir Bulic
Townes-Brocks syndrome is a rare autosomal dominant syndrome characterized by multiple malformations, including thumb anomalies. Thumb hypoplasia poses a specific problem, where a deficient thumb creates a significant handicap in hand function. The treatment goal is enabling pinch and grip activity, and the preferred procedure for a severely hypoplastic thumb is index finger pollicization. We present a case of on-top index pollicization in a 10-year-old, after a partial amputation of a previously syndactylized hypoplastic thumb, with a well-formed first carpometacarpal joint...
May 15, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28506002/transcranial-direct-current-stimulation-combined-with-visuo-motor-training-as-treatment-for-chronic-stroke-patients
#12
Elena L Pavlova, Påvel Lindberg, Amirah Khan, Sigurd Ruschkowski, Michael A Nitsche, Jörgen Borg
BACKGROUND: Recent studies exploring the combined effect of motor learning and transcranial direct current stimulation (tDCS) for stroke rehabilitation have shown partially conflicting results. OBJECTIVE: To test the efficacy of an optimized hand training approach combined with tDCS in stroke patients. METHODS: In the present pilot study we investigated motor effects of four-week training with a visuomotor grip force tracking task combined with tDCS in 11 chronic stroke patients...
May 9, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28500958/development-of-an-updated-normative-data-table-for-hand-grip-and-pinch-strength-a-pilot-study
#13
Camilla C Larson, Zhan Ye
STUDY DESIGN: Pilot cross-sectional clinical measurement. INTRODUCTION: Normative tables for assessment of grip and pinch strength were developed 30 years ago and are likely outdated. PURPOSE OF STUDY: To assess suitability of current normative tables to evaluate hand and grip strength in clinical practice. METHODS: Hand grip strength (HGS) data were measured in 120 healthy subjects for comparison to normative values by gender, age, and handedness...
February 1, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28499812/modeling-of-the-interaction-between-grip-force-and-vibration-transmissibility-of-a-finger
#14
John Z Wu, Daniel E Welcome, Thomas W McDowell, Xueyan S Xu, Ren G Dong
It is known that the vibration characteristics of the fingers and hand and the level of grip action interacts when operating a power tool. In the current study, we developed a hybrid finger model to simulate the vibrations of the hand-finger system when gripping a vibrating handle covered with soft materials. The hybrid finger model combines the characteristics of conventional finite element (FE) models, multi-body musculoskeletal models, and lumped mass models. The distal, middle, and proximal finger segments were constructed using FE models, the finger segments were connected via three flexible joint linkages (i...
May 9, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28499145/human-dorsomedial-parieto-motor-circuit-specifies-grasp-during-the-planning-of-goal-directed-hand-actions
#15
Michael Vesia, Michael Barnett-Cowan, Behzad Elahi, Gaayathiri Jegatheeswaran, Reina Isayama, Jason L Neva, Marco Davare, W Richard Staines, Jody C Culham, Robert Chen
According to one influential view, two specialized parieto-frontal circuits control prehension: a dorsomedial stream for hand transport during reaching and a dorsolateral stream for preshaping the fingers during grasping. However, recent evidence argues that an area within the dorsomedial stream-macaque area V6A and, its putative human homolog, superior parietal occipital cortex (SPOC) - encodes both hand transport and grip formation. We tested whether planning varied hand actions modulates functional connectivity between left SPOC and ipsilateral primary motor cortex (M1) using a dual-site, paired-pulse transcranial magnetic stimulation paradigm with two coils (dsTMS)...
April 19, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28490954/pretarsus-structure-in-relation-to-climbing-ability-in-the-ants-brachyponera-sennaarensis-and-daceton-armigerum
#16
Johan Billen, Mohammed S Al-Khalifa, Rogério R Silva
We studied the external and internal pretarsus structure of the ants Brachyponera sennaarensis and Daceton armigerum in relation to their very different climbing ability. B. sennaarensis is a ground-dwelling species that is not able to climb vertical smooth walls. They have a pair of straight pretarsal claws with an average claw tip angle of 56 degrees, while the ventral tarsal surface lacks fine hairs that touch the substrate. They have no adhesive pad on the vestigial arolium, while the arolium gland is very small...
May 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28490195/the-takei-handheld-dynamometer-an-effective-clinical-outcome-measure-tool-for-hand-and-wrist-function-in-boxing
#17
Ian Gatt, Sophie Smith-Moore, Charlie Steggles, Mike Loosemore
BACKGROUND: The aim of this article was to explore retrospectively the Takei dynamometer as a valid and reliable outcome measure tool for hand and wrist pathology in the Great Britain amateur boxing squad between 2010 and 2014. METHODS: Longitudinal retrospective injury surveillance of the Great Britain boxing squad was performed from 2010 to 2014. The location, region affected, description, and duration of each injury were recorded by the team doctor and team physiotherapists...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28480780/augmented-hamate-replacement-arthroplasty-for-fracture-dislocations-of-the-proximal-interphalangeal-joints-in-12-patients
#18
B P Thomas, S Raveendran, S R Pallapati, G A Anderson
We report clinical outcomes in 12 patients with hemi-hamate replacement arthroplasty combined with volar plate arthroplasty. The volar plate was reattached using trans-osseous sutures to reconstruct the ligament-box complex after hamate grafting to augment the stability of the proximal interphalangeal joint. Ten patients had improved joint movement from a mean of 14° before surgery to a mean of 77° at a minimum follow-up of 2 years. Grip strength and pain of the affected hand and patient-rated hand and wrist scores were improved in these 10 patients...
May 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28475552/analysis-of-the-effect-size-of-overweight-in-muscular-strength-tests-among-adolescents-reference-values-according-to-sex-age-and-bmi
#19
Emilio J Martínez-López, Manuel De La Torre-Cruz, Sara Suarez-Manzano, Alberto Ruiz-Ariza
The aim of this paper is to quantify the effect size of overweight on the results of muscular strength tests in adolescents and to report percentile tables based on sex, age and BMI. The study hypothesized that the effect size obtained from the difference between normal-weight and overweight youth would be greater than the differences between sexes within the same age group. A total of 11044 Spanish adolescents (48.5% girls) aged 14.39 ± 1.21 years (range: 12-16 years) from 42 secondary schools participated in the research...
April 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28474869/improvements-in-chilean-patients-with-obesity-following-a-5-month-multidisciplinary-exercise-program-a-feasibility-study
#20
Pedro Delgado-Floody, Felipe Caamaño-Navarrete, Javier Gonzalez-Rivera, Johannes Fleckenstein, Winfried Banzer, Cristian Martinez Salazar
OBJECTIVE: To determine the effects of a multidisciplinary exercise program on physical fitness, metabolic profile and nutritional status of obese patients. METHODS: Seventeen women and four men (n=21, age 18 to 60 years), with severe obesity (BMI = 35-40 kg/m2, n=7), morbid obesity (BMI = 40-50 kg/m2, n=9), and super obesity (BMI > 50 kg/m2, n=5), took part in a physical exercise program with nutritional and psychological support. The intermittent physical exercise program was applied three times per week (1 hour/session), with 4-8 exercises with weights...
April 26, 2017: Journal of Sports Medicine and Physical Fitness
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