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Dynamometry

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https://www.readbyqxmd.com/read/28198046/muscle-fatigability-and-depressive-symptoms-in-later-life
#1
Patrick J Brown, Dala Badreddine, Steven P Roose, Bret Rutherford, Hilsa N Ayonayon, Kristine Yaffe, Eleanor M Simonsick, Bret Goodpaster
OBJECTIVE: Fatigability is the degree to which performance decreases during a specific activity of a given intensity and duration. Depression is known to heighten subjective fatigue, but whether its association with physical fatigability is unknown. Further, whether fatigability is a precursor or risk factor for the development of subsequent depressive symptoms is also unclear. METHODS: Data are from the Health Aging and Body Composition Study with fatigability assessed using isokinetic dynamometry of the knee extensors at year 3, and depressive symptoms ascertained longitudinally using the Center for Epidemiologic Studies Depression (CES-D) scale...
February 15, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28190647/human-growth-hormone-stabilizes-walking-and-improves-strength-in-a-patient-with-dominantly-inherited-calpainopathy
#2
Kira Philipsen Prahm, Ulla Feldt-Rasmussen, John Vissing
The aim was to investigate if daily low-dose treatment with recombinant human growth hormone (somatropine) can stabilize or improve muscle strength and walking capability in a patient with dominantly inherited calpainopathy. The patient was treated with daily injections of somatropine, except for a 6-month pause, over a period of 4.5 years. Efficacy was assessed by repeated muscle dynamometry tests and 6-minute walk tests (6MWT). Strength improved in most muscle groups on treatment, deteriorated in the 6-month off treatment, and improved again when treatment was resumed...
January 23, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28167302/characterization-of-neck-strength-in-healthy-young-adults
#3
Eva Catenaccio, Weiya Mu, Atira Kaplan, Roman Fleysher, Namhee Kim, Tamar Bachrach, Malka Zughaft Sears, Oren Jaspan, Jaclyn Caccese, Mimi Kim, Mark Wagshul, Walter F Stewart, Richard B Lipton, Michael L Lipton
BACKGROUND: The role of cervical muscle (neck) strength in traumatic brain and spine injury and chronic neck pain disorders is an area of active research. Characterization of the normal ranges of neck strength in healthy young adults is essential to designing future investigations of how strength may act as a modifier for risk and progression in head and neck disorders. OBJECTIVE: To develop a normative reference database of neck strength in a healthy young adult population; and to evaluate the relationship of neck strength to anthropometric measurements...
February 3, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28165360/body-composition-nutritional-profile-and-muscular-fitness-affect-bone-health-in-a-sample-of-schoolchildren-from-colombia-the-fuprecol-study
#4
Mónica Adriana Forero-Bogotá, Mónica Liliana Ojeda-Pardo, Antonio García-Hermoso, Jorge Enrique Correa-Bautista, Emilio González-Jiménez, Jacqueline Schmidt-RíoValle, Carmen Flores Navarro-Pérez, Luis Gracia-Marco, Dimitris Vlachopoulos, Javier Martínez-Torres, Robinson Ramírez-Vélez
The objective of the present study is to investigate the relationships between body composition, nutritional profile, muscular fitness (MF) and bone health in a sample of children and adolescents from Colombia. Participants included 1118 children and adolescents (54.6% girls). Calcaneal broadband ultrasound attenuation (c-BUA) was obtained as a marker of bone health. Body composition (fat mass and lean mass) was assessed using bioelectrical impedance analysis. Furthermore height, weight, waist circumference and Tanner stage were measured and body mass index (BMI) was calculated...
February 3, 2017: Nutrients
https://www.readbyqxmd.com/read/28160082/periodization-effects-during-short-term-resistance-training-with-equated-exercise-variables-in-females
#5
Thiemo Pelzer, Boris Ullrich, Mark Pfeiffer
PURPOSE: During resistance training, volume and load can be altered either gradually (traditional periodization: TP) or with frequent changes between subsequent sessions (daily undulating periodization: DUP). We hypothesized that the periodization model employed would not impact upon training-induced adaptations when exercise variables are equated. METHODS: Nineteen females (22.0 years, moderate resistance training experience of 27.9 months) performed 6 weeks of knee extensor training with 3 weekly sessions exercising one leg using TP and the contralateral leg using DUP...
February 3, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28142362/diagnostic-accuracy-of-handheld-dynamometry-and-1-repetition-maximum-tests-for-identifying-meaningful-quadriceps-strength-asymmetries
#6
J Anthony Sinacore, Andrew M Evans, Brittany N Lynch, Richard E Joreitz, James J Irrgang, Andrew D Lynch
Study Design Clinical measurement, cross-sectional. Background Quadriceps deficits are common in individuals with knee joint impairments and impact functional and quality-of-life outcomes. Quadriceps strength symmetry influences clinical decisions after knee injury. Isometric electromechanical dynamometry (ISO-ED) is the gold standard for measuring symmetry, but is not available in all clinical settings. Objectives To compare concurrent validity of handheld dynamometry and 1-repetition-maximum leg press, knee extension from 90° to 0°, and knee extension from 90° to 45° to that of ISO-ED in identifying meaningful quadriceps strength deficits...
February 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28134660/muscle-strength-but-not-muscle-oxidative-capacity-varies-between-the-morning-and-the-afternoon-in-patients-with-multiple-sclerosis-a-pilot-study
#7
Inez Wens, Dominique Hansen
Despite frequent muscle strength or muscle oxidative capacity (based on exercise-onset oxygen uptake [VO2] kinetics) assessments in patients with multiple sclerosis, the impact of time of day on these parameters is often not taken into account. Based on observations in healthy subjects, it remains to be studied whether muscle strength, and/or exercise-onset VO2 kinetics, varies between the morning and the afternoon in patients with multiple sclerosis. In this prospective observational pilot study, walking capacity, exercise-onset VO2 kinetics, isometric knee extension/flexion strength (dynamometry), and self-reported fatigue were measured in 11 patients with multiple sclerosis (age, 51...
January 27, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28120413/fixed-dynamometry-is-more-sensitive-than-vital-capacity-or-als-rating-scale
#8
Patricia L Andres, Margaret Peggy Allred, Helen E Stephens, Mary K Proffitt, Catherine Siener, Eric A Macklin, Travis Haines, Robert A English, Katherine A Fetterman, Edward J Kasarskis, Julaine Florence, Zachary Simmons, Merit E Cudkowicz
INTRODUCTION: Improved outcome measures are essential to efficiently screen the growing number of potential ALS therapies. METHODS: This longitudinal study of 100 (70 male) participants with ALS compared Accurate Test of Limb Isometric Strength (ATLIS), using a fixed, wireless load cell, with ALS Functional Rating Scale-Revised (ALSFRS-R) and vital capacity (VC). RESULTS: Participants enrolled at 5 US sites. Data were analyzed from 66 participants with complete ATLIS, ALSFRS-R, and VC data over at least 3 visits...
January 24, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28115977/efficacy-of-a-novel-formulation-of-l-carnitine-creatine-and-leucine-on-lean-body-mass-and-functional-muscle-strength-in-healthy-older-adults-a-randomized-double-blind-placebo-controlled-study
#9
Malkanthi Evans, Najla Guthrie, John Pezzullo, Toran Sanli, Roger A Fielding, Aouatef Bellamine
BACKGROUND: Progressive decline in skeletal muscle mass and function are growing concerns in an aging population. Diet and physical activity are important for muscle maintenance but these requirements are not always met. This highlights the potential for nutritional supplementation. As a primary objective, we sought to assess the effect of a novel combination of L-Carnitine, creatine and leucine on muscle mass and performance in older subjects. METHOD: Forty-two healthy older adults aged 55-70 years were randomized to receive either a novel L-Carnitine (1500 mg), L-leucine (2000 mg), creatine (3000 mg), Vitamin D3 (10 μg) (L-Carnitine-combination) product (n = 14), L-Carnitine (1500 mg) (n = 14), or a placebo (n = 14) for eight weeks...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28107852/efficacy-of-topical-chamomile-oil-for-mild-and-moderate-carpal-tunnel-syndrome-a-randomized-double-blind-placebo-controlled-clinical-trial
#10
Mohammad Hashem Hashempur, Mohammad Sadegh Ghasemi, Babak Daneshfard, Parissa Sadat Ghoreishi, Zeinab Nasiri Lari, Kaynoosh Homayouni, Arman Zargaran
OBJECTIVE: To evaluate the efficacy of topical chamomile oil in patients with mild and moderate carpal tunnel syndrome (CTS). METHOD: Eighty six patients with electrodiagnostic criteria of mild and moderate CTS were enrolled in this randomized double-blind placebo-controlled clinical trial and received wrist splint plus topical chamomile oil or placebo for 4 weeks. They were evaluated at the baseline and end of the study regarding functional and symptomatic scores, dynamometry, and electrodiagnostic indexes...
February 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/28103813/fat-mass-and-obesity-associated-fto-gene-influences-skeletal-muscle-phenotypes-in-non-resistance-trained-males-and-elite-rugby-playing-position
#11
S M Heffernan, G K Stebbings, L P Kilduff, R M Erskine, S H Day, C I Morse, J S McPhee, C J Cook, B Vance, W J Ribbans, S M Raleigh, C Roberts, M A Bennett, G Wang, M Collins, Y P Pitsiladis, A G Williams
BACKGROUND: FTO gene variants have been associated with obesity phenotypes in sedentary and obese populations, but rarely with skeletal muscle and elite athlete phenotypes. METHODS: In 1089 participants, comprising 530 elite rugby athletes and 559 non-athletes, DNA was collected and genotyped for the FTO rs9939609 variant using real-time PCR. In a subgroup of non-resistance trained individuals (NT; n = 120), we also assessed structural and functional skeletal muscle phenotypes using dual energy x-ray absorptiometry, ultrasound and isokinetic dynamometry...
January 19, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28095094/female-age-related-differences-in-biomechanics-and-muscle-activity-during-descents-on-the-outstretched-arms
#12
Lauren Jane Lattimer, Joel Lanovaz, Jon Farthing, Stéphanie Madill, Soo Kim, Stephen Robinovitch, Cathy Arnold
The purposes of this study were to examine female age differences in: 1) upper extremity (UE) and trunk muscle activity, elbow joint moment, loading force and UE energy absorption during a controlled forward body descent and 2) UE muscle strength. Twenty young (mean 24.8±3.4 yrs.) and 20 older (68.4±5.7 yrs.) women were assessed via dynamometry for isometric, concentric and eccentric UE strength and performed forward descents on force plates at three body lean angles (60, 45, and 30° from horizontal). Significant differences (p < ...
January 17, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28087121/upper-extremity-outcome-measures-for-collagen-vi-related-myopathy-and-lama2-related-muscular-dystrophy
#13
Roxanna M Bendixen, Jocelyn Butrum, Mina S Jain, Rebecca Parks, Bonnie Hodsdon, Carmel Nichols, Michelle Hsia, Leslie Nelson, Katherine C Keller, Michelle McGuire, Jeffrey S Elliott, Melody M Linton, Irene C Arveson, Fatou Tounkara, Ruhi Vasavada, Elizabeth Harnett, Monal Punjabi, Sandra Donkervoort, Jahannaz Dastgir, Meganne E Leach, Anne Rutkowski, Melissa Waite, James Collins, Carsten G Bönnemann, Katherine G Meilleur
Congenital muscular dystrophy (CMD) comprises a rare group of genetic muscle diseases that present at birth or early during infancy. Two common subtypes of CMD are collagen VI-related muscular dystrophy (COL6-RD) and laminin alpha 2-related dystrophy (LAMA2-RD). Traditional outcome measures in CMD include gross motor and mobility assessments, yet significant motor declines underscore the need for valid upper extremity motor assessments as a clinical endpoint. This study validated a battery of upper extremity measures in these two CMD subtypes for future clinical trials...
December 5, 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28076880/repeatability-consistency-and-accuracy-of-hand-held-dynamometry-with-and-without-fixation-for-measuring-ankle-plantarflexion-strength-in-healthy-adolescents-and-adults
#14
Phillip R Davis, Marnee J Mckay, Jennifer N Baldwin, Joshua Burns, Davide Pareyson, Kristy J Rose
INTRODUCTION: Hand-held dynamometry (HHD) is commonly used to measure ankle plantarflexion strength but has variable reliability measuring higher forces. Fixed HHD is suggested to improve reliability. We therefore compared the reliability, consistency, and accuracy of measuring plantarflexion strength. METHOD: Plantarflexion strength was measured in 25 healthy individuals with fixed HHD and HHD alone. Intraclass correlation coefficients (ICC2,2 ), standard error of measurement (SEM), minimal detectable change (MDC), and Spearman correlation coefficients were calculated to assess inter-trial repeatability, consistency, agreement, and accuracy...
January 11, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28068376/an-objective-functional-characterisation-of-head-movement-impairment-in-individuals-with-neck-muscle-weakness-due-to-amyotrophic-lateral-sclerosis
#15
Silvia Pancani, Wendy Tindale, Pamela J Shaw, Christopher J McDermott, Claudia Mazzà
BACKGROUND: Neck muscle weakness and head drop are well recognised in patients with Amyotrophic lateral sclerosis (ALS), but an objective characterisation of the consequent head movement impairment is lacking. The aim of this study was to quantitatively characterise head movements in ALS compared to aged matched controls. METHODS: We evaluated two groups, one of thirteen patients with ALS and one of thirteen age-matched controls, during the execution of a series of controlled head movements, performed while wearing two inertial sensors attached on the forehead and sternum, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28067582/the-relationship-of-hip-muscle-performance-to-leg-ankle-and-foot-injuries-a-systematic-review
#16
Nili Steinberg, Gali Dar, Martin Dunlop, James Edmund Gaida
OBJECTIVES: Hip control affects movement and muscle firing patterns in the leg, ankle and foot, and may contribute to overuse injuries. Muscle performance can be measured as strength, endurance or muscle activation patterns. Our objective was to systematically review whether hip muscle performance is associated with leg, ankle and foot injuries. DATA SOURCES: A structured and comprehensive search of six medical literature databases was combined with forward and backward citation tracking (AMED, CINAHL, EMBASE, Medline, Scopus and SportDiscus)...
January 19, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28066619/clinical-management-of-chronic-obstructive-pulmonary-disease-patients-with-muscle-dysfunction
#17
REVIEW
Joaquim Gea, Carme Casadevall, Sergi Pascual, Mauricio Orozco-Levi, Esther Barreiro
Muscle dysfunction is frequently observed in chronic obstructive pulmonary disease (COPD) patients, contributing to their exercise limitation and a worsening prognosis. The main factor leading to limb muscle dysfunction is deconditioning, whereas respiratory muscle dysfunction is mostly the result of pulmonary hyperinflation. However, both limb and respiratory muscles are also influenced by other negative factors, including smoking, systemic inflammation, nutritional abnormalities, exacerbations and some drugs...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28063610/ultrasound-measurements-of-skeletal-muscle-architecture-are-associated-with-strength-and-functional-capacity-in-older-adults
#18
Isaac Selva Raj, Stephen R Bird, Anthony J Shield
The goal of this study was to determine whether ultrasound measures of muscle architecture can be used to infer strength and functional capacity in older adults. Thirty-six healthy older adults (aged 68.2 ± 5.3 y) undertook isokinetic dynamometry for isometric and isokinetic concentric knee extensor strength, the 6-m fast walk, timed up and go, stair climb and descent and vertical jump tests. Longitudinal brightness-mode ultrasound scans (probe frequency, 10 MHz) of the vastus lateralis, vastus intermedius, rectus femoris and gastrocnemius medialis were obtained, and muscle architecture measures (thickness, fascicle pennation angle and fascicle length) were correlated with the aforementioned strength and functional measures...
January 4, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28035586/criteria-for-progressing-rehabilitation-and-determining-return-to-play-clearance-following-hamstring-strain-injury-a-systematic-review
#19
REVIEW
Jack T Hickey, Ryan G Timmins, Nirav Maniar, Morgan D Williams, David A Opar
BACKGROUND: Rehabilitation progression and return-to-play (RTP) decision making following hamstring strain injury (HSI) can be challenging for clinicians, owing to the competing demands of reducing both convalescence and the risk of re-injury. Despite an increased focus on the RTP process following HSI, little attention has been paid to rehabilitation progression and RTP criteria, and subsequent time taken to RTP and re-injury rates. OBJECTIVE: The aim of this systematic review is to identify rehabilitation progression and RTP criteria implemented following HSI and examine the subsequent time taken to RTP and rates of re-injury...
December 29, 2016: Sports Medicine
https://www.readbyqxmd.com/read/28000006/mri-as-outcome-measure-in-facioscapulohumeral-muscular-dystrophy-1-year-follow-up-of-45-patients
#20
Grete Andersen, Julia R Dahlqvist, Christoffer R Vissing, Karen Heje, Carsten Thomsen, John Vissing
There is no effective treatment available for facioscapulohumeral muscular dystrophy type 1 (FSHD1), but emerging therapies are under way that call for a better understanding of natural history in this condition. In this prospective, longitudinal study, we used quantitative MRI to assess yearly disease progression in patients with FSHD1. Ambulatory patients with confirmed diagnosis of FSHD1 (25/20 men/women, age 20-75 years, FSHD score: 0-12) were tested with 359-560-day interval between tests. Using the MRI Dixon technique, muscle fat replacement was evaluated in paraspinal, thigh, and calf muscles...
December 20, 2016: Journal of Neurology
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