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Dynamometry

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https://www.readbyqxmd.com/read/29135600/balance-and-functional-outcomes-for-older-community-dwelling-adults-who-practice-tai-chi-and-those-who-do-not-a-comparative-study
#1
Deborah Bubela, Laddie Sacharko, Judy Chan, Maegen Brady
BACKGROUND AND PURPOSE: A growing body of literature substantiates that Tai Chi is a form of exercise that may help older adults increase strength, improve balance, lower fall rates, and experience less fear of falling. Few studies, however, offer controlled experimental design and simultaneously investigate multiple factors known to contribute to fall risk. The purpose of this study was to compare performance on measures relating to fall risk (strength, balance, functional mobility, and fear of falling) in older community-dwelling adults who participated in a community-based Tai Chi program with a control group of their peers who had no Tai Chi training over the same time period...
November 9, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/29133972/the-relationship-between-the-physical-cost-index-and-knee-extensor-strength-in-children-with-hemiplegic-cerebral-palsy
#2
Kenji Takaki, Yasuaki Kusumoto
[Purpose] Lower extremity strength is a contributing factor to energy efficiency of gait. However, this contribution has not previously been evaluated in children with hemiplegic cerebral palsy (CP). The aim of this study was to evaluate the association between energy consumption, measured by the physical cost index (PCI), and strength of lower extremity, measured by the maximum knee extensor strength (MKES), in children with hemiplegic CP. [Subjects and Methods] Subjects were 10 children (4 males and 6 females; age, 7-17 years) with hemiplegic CP, but no history of orthopedic intervention or botulinum toxin treatment over the 1 year prior to the assessment...
October 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29123629/effect-of-low-level-laser-therapy-and-strength-training-protocol-on-hand-grip-by-dynamometry
#3
Rafael Barbosa, Alexandre Marcolino, Vitor Souza, Guilherme Bertolino, Marisa Fonseca, Rinaldo Guirro
Introduction: The purpose of this study was to investigate the effect of low-level laser therapy (LLLT) - 660 nm and 904 nm - before grip strength protocol in healthy subjects. Methods: The study included 45 healthy volunteers with an average age of 22.7 (±1.4) years, subdivided into the following groups, control group: grip strength training associated with placebo LLLT; 660 nm group: LLLT (660 nm, 20 J/cm(2), power of 30 mW, and beam area of 0.06 cm(2), continuous, energy 1.2 J, and exposure time 40 seconds per point) before grip strength training and 904 nm group: LLLT (904 nm, 10 J/cm(2), peak power of 70 W and 0...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29119961/-the-effectiveness-of-the-improvement-of-health-in-the-schoolchildren-staying-in-a-country-summer-camp
#4
D N Lir, A Ya Perevalov
Organization of recreational activities in the children's camps is inseparable from the assessment of their effectiveness. AIM: The objective of the present study was to estimate the influence of the pastime of the children in a summer camp under the habitual climatic conditions and the resulting improvement of their health status including the body component composition and the functional state of the organism. MATERIAL AND METHODS: The study included 44 schoolchildren at the age from 9 to12 years...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29117951/long-term-benefit-of-enzyme-replacement-therapy-in-pompe-disease-a-5-year-prospective-study
#5
Esther Kuperus, Michelle E Kruijshaar, Stephan C A Wens, Juna M de Vries, Marein M Favejee, Jan C van der Meijden, Dimitris Rizopoulos, Esther Brusse, Pieter A van Doorn, Ans T van der Ploeg, Nadine A M E van der Beek
OBJECTIVE: To determine the effect of enzyme replacement therapy (ERT) after 5 years and to identify predictors for a favorable response because few data are available on the long-term efficacy of ERT in Pompe disease. METHODS: We included 102 adult patients with Pompe disease in a nationwide, prospective cohort study. We assessed muscle strength (manual muscle testing with Medical Research Council [MRC] grading, handheld dynamometry [HHD]), muscle function (6-minute walk test, Quick Motor Function Test), daily life activities (Rasch-Built Pompe-Specific Activity [R-PAct] Scale), and pulmonary function (forced vital capacity [FVC] in upright and supine positions, maximum inspiratory and expiratory pressures) at 3- to 6-month intervals before and after the start of ERT...
November 8, 2017: Neurology
https://www.readbyqxmd.com/read/29092886/the-effects-of-dietary-protein-intake-on-appendicular-lean-mass-and-muscle-function-in-elderly-men-a-10-wk-randomized-controlled-trial
#6
Cameron J Mitchell, Amber M Milan, Sarah M Mitchell, Nina Zeng, Farha Ramzan, Pankaja Sharma, Scott O Knowles, Nicole C Roy, Anders Sjödin, Karl-Heinz Wagner, David Cameron-Smith
Background: The Recommended Daily Allowance (RDA) for protein intake in the adult population is widely promoted as 0.8 g · kg(-1) · d(-1) Aging may increase protein requirements, particularly to maintain muscle mass.Objective: We investigated whether controlled protein consumption at the current RDA or twice the RDA (2RDA) affects skeletal muscle mass and physical function in elderly men.Design: In this parallel-group randomized trial, 29 men aged >70 y [mean ± SD body mass index (in kg/m(2)): 28.3 ± 4...
November 1, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29071305/absolute-reliability-and-concurrent-validity-of-hand-held-dynamometry-and-isokinetic-dynamometry-in-the-hip-knee-and-ankle-joint-systematic-review-and-meta-analysis
#7
Claudio Chamorro, Susan Armijo-Olivo, Carlos De la Fuente, Javiera Fuentes, Luis Javier Chirosa
The purpose of the study is to establish absolute reliability and concurrent validity between hand-held dynamometers (HHDs) and isokinetic dynamometers (IDs) in lower extremity peak torque assessment. Medline, Embase, CINAHL databases were searched for studies related to psychometric properties in muscle dynamometry. Studies considering standard error of measurement SEM (%) or limit of agreement LOA (%) expressed as percentage of the mean, were considered to establish absolute reliability while studies using intra-class correlation coefficient (ICC) were considered to establish concurrent validity between dynamometers...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29070966/psychometric-properties-of-a-clinical-strength-assessment-protocol-in-people-with-multiple-sclerosis
#8
Mark M Mañago, Jeffrey R Hebert, Margaret Schenkman
BACKGROUND: Strength training in people with multiple sclerosis (MS) is an important component of rehabilitation, but it can be challenging for clinicians to quantify strength accurately and reliably. This study investigated the psychometric properties of a clinical strength assessment protocol using handheld dynamometry and other objective, quantifiable tests for the lower extremities and trunk in people with MS. METHODS: This study determined discriminant validity between 25 participants with MS and 25 controls and between participants with MS who had higher versus lower disability; test-retest reliability across 7 to 10 days; and response stability...
September 2017: International Journal of MS Care
https://www.readbyqxmd.com/read/29063144/-grip-strength-measurement-significance-and-boundaries
#9
REVIEW
P Hahn, C Spies, F Unglaub, M Mühldorfer-Fodor
BACKGROUND: Grip strength measurement is a widely used method for clinical as well as scientific purposes. In hand surgery, it is an essential component in the diagnosis of disease, treatment sequences and assessment. In epidemiological studies, it is a good predictor of healthy ageing or disease progression. PROBLEM: Measurement results and their interpretation can be influenced by many factors. The historical development of dynamometry, measurement technology and the standard values in various population groups are presented...
October 23, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29058059/correlates-of-level-and-loss-of-grip-strength-in-later-life-findings-from-the-english-longitudinal-study-of-ageing-and-the-hertfordshire-cohort-study
#10
H E Syddall, L D Westbury, S C Shaw, E M Dennison, C Cooper, C R Gale
Characterisation of grip strength (GS) using isometric dynamometry is central to the definition of sarcopenia. Determinants of low GS include: older age, shorter stature, low physical activity, poor nutrition, socioeconomic disadvantage and multimorbidity. Less is known about risk factors for accelerated loss of GS. We investigated determinants of level and 8-year loss of GS in 3703 men and women (aged 52-82 years) in the English Longitudinal Study of Ageing (ELSA). Four hundred and forty-one men and women (aged 59-71 years) who participated in a 10-year follow-up of the Hertfordshire Cohort Study (HCS) were used for replication...
October 22, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29045325/effects-of-two-years-of-calorie-restriction-on-aerobic-capacity-and-muscle-strength
#11
Susan B Racette, James Rochon, Mary L Uhrich, Dennis T Villareal, Sai Krupa DAS, Luigi Fontana, Manjushri Bhapkar, Corby K Martin, Leanne M Redman, Paul J Fuss, Susan B Roberts, William E Kraus
PURPOSE: Calorie restriction (CR) improves health span and delays age-related diseases in many species. The multicenter Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE) study was the first randomized controlled trial of CR in nonobese humans. The aim of this investigation was to determine the effects of CR on V˙O2max and muscle strength in the CALERIE trial. METHODS: Healthy, normal-weight, and mildly overweight women and men (n = 218, mean ± SE age = 37...
November 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29044302/functional-ability-in-younger-and-older-elderlies-after-discharge-from-the-intensive-care-unit-a-prospective-cohort
#12
Camila Dietrich, Juliana Rezende Cardoso, Fernanda Vargas, Evelin Carneiro Sanchez, Francine Hoffmann Dutra, Cátia Moreira, Marina Bessel, Caroline Robinson, Maicon Falavigna, Cassiano Teixeira
OBJECTIVE: To compare the functional capacity of younger elderly individuals (60 to 79 years old) with that of older elderly individuals (≥ 80 years old) during the first 6 months after discharge from the intensive care unit. METHODS: A multicenter prospective cohort study was conducted, in which data on intensive care unit admission and outcomes after hospital discharge (immediate post-discharge, after 3 months and after 6 months) were collected. Muscle strength was evaluated through the protocol of the Medical Research Council and dynamometry (handgrip); the ability to perform activities of daily life and functional independence were assessed by the Barthel index and the usual level of physical activity (International Physical Activity Questionnaire); and quality of life was assessed by the 12-Item Short-Form Health Survey Version 2...
July 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/29043110/neurodynamic-mobilization-and-foam-rolling-improved-delayed-onset-muscle-soreness-in-a-healthy-adult-population-a-randomized-controlled-clinical-trial
#13
Blanca Romero-Moraleda, Roy La Touche, Sergio Lerma-Lara, Raúl Ferrer-Peña, Víctor Paredes, Ana Belén Peinado, Daniel Muñoz-García
OBJECTIVES: Compare the immediate effects of a Neurodynamic Mobilization (NM) treatment or foam roller (FR) treatment after DOMS. DESIGN: Double blind randomised clinical trial. SETTING: The participants performed 100 drop jumps (5 sets of 20 repetitions, separated by 2 min rests) from a 0.5-m high box in a University biomechanics laboratory to induce muscle soreness. The participants were randomly assigned in a counter-balanced fashion to either a FR or NM treatment group...
2017: PeerJ
https://www.readbyqxmd.com/read/29034615/effects-of-an-exercise-model-based-on-functional-circuits-in-an-older-population-with-different-levels-of-social-participation
#14
Walter Sepúlveda Loyola, Carlos Augusto Camillo, Carolina Valenzuela Torres, Vanessa Suziane Probst
AIM: To investigate whether being part of a community organization interfered with older adults' overall functionality. The magnitude of responses to a community exercise program based on functional circuits in socially active and socially non-active older adults was also investigated. METHODS: A total of 200 older adults aged ≥60 years from Requinoa, Chile, participated in the study. Participants were separated into two groups according to the level of social participation: socially active (SA) and socially non-active (SNA)...
October 15, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28990827/ural-eye-and-medical-study-description-of-study-design-and-methodology
#15
Mukharram Bikbov, Rinat R Fayzrakhmanov, Gyulli Kazakbaeva, Jost B Jonas
PURPOSE: Since there is a scarcity on population-based health information available for Russia, we conducted this project to assess the prevalence of major ocular and systemic disorders and their associated risk factors. METHODS: A population-based cross-sectional study (Ural Eye and Medical Study (UEMS)) was performed in Bashkortostan 1300 km east of Moscow. The sampling frame consisted of all inhabitants aged over 40 years and living in an urban study area in the capital city Ufa and a rural region at 65 km outside of Ufa...
October 9, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28974931/muscle-tendon-unit-properties-during-eccentric-exercise-correlate-with-the-creatine-kinase-response
#16
Kirsty M Hicks, Gladys L Onambele-Pearson, Keith Winwood, Christopher I Morse
Aim: The aim of this paper was to determine whether; (1) patella tendon stiffness, (2) the magnitude of vastus lateralis fascicle lengthening, and (3) eccentric torque correlate with markers of exercise induced muscle damage. Method: Combining dynamometry and ultrasonography, patella tendon properties and vastus lateralis architectural properties were measured pre and during the first of six sets of 12 maximal voluntary eccentric knee extensions. Maximal isometric torque loss and creatine kinase activity were measured pre-damage (-48 h), 48, 96, and 168 h post-damage as markers of exercise-induced muscle damage...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28973832/improved-hand-function-self-rated-health-and-decreased-activity-limitations-results-after-a-two-month-hand-osteoarthritis-group-intervention
#17
Linda Bjurehed, Nina Brodin, Ulla Nordenskiöld, Mathilda Björk
INTRODUCTION: Hand Osteoarthritis (hand OA) causes pain, impaired mobility and reduced grip force, which cause activity limitations. Osteoarthritis group interventions in primary care settings are sparsely reported. PURPOSE: To evaluate the effects on hand function, activity limitations and self-rated health of a primary care hand OA group intervention. METHOD: 64 individuals with hand OA agreed to participate, 15 were excluded due to not fulfilling the inclusion criteria...
October 3, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28963127/molecular-neuromuscular-and-recovery-responses-to-light-versus-heavy-resistance-exercise-in-young-men
#18
Cody T Haun, Petey W Mumford, Paul A Roberson, Matthew A Romero, Christopher B Mobley, Wesley C Kephart, Richard G Anderson, Ryan J Colquhoun, Tyler W D Muddle, Michael J Luera, Cameron S Mackey, David D Pascoe, Kaelin C Young, Jeffrey S Martin, Jason M DeFreitas, Nathaniel D M Jenkins, Michael D Roberts
Recent evidence suggests that resistance training with light or heavy loads to failure results in similar adaptations. Herein, we compared how both training modalities affect the molecular, neuromuscular, and recovery responses following exercise. Resistance-trained males (mean ± SE: 22 ± 2 years, 84.8 ± 9.0 kg, 1.79 ± 0.06 m; n = 15) performed a crossover design of four sets of leg extensor exercise at 30% (light RE) or 80% (heavy RE) one repetition maximum (1RM) to repetition failure, and heavy RE or light RE 1 week later...
September 2017: Physiological Reports
https://www.readbyqxmd.com/read/28946515/effects-of-biofeedback-versus-switch-triggered-functional-electrical-stimulation-on-sciatica-related-foot-drop
#19
Dragos Petrica Sardaru, Daniela Matei, Dan Zaharia-Kezdi, Liviu Pendefunda
BACKGROUND: Sciatica-related Foot Drop is a peripheral nervous condition that produces a loss of power in the ankle dorsiflexion muscles. Functional electrical stimulation is a modality of electrical stimulation that produces muscle contraction in a functional movement of the limb. This technique was utilized with positive effects in central nervous afflictions but it is not known whether or not it has any influence in motor recovery following peripheral nervous system problems. This study aims to clarify the effects of functional electrical stimulation on foot drop caused by peripheral nerve compression resulting from lumbar disc herniation...
September 8, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28944585/loading-rate-and-contraction-duration-effects-on-in%C3%A2-vivo-human-achilles-tendon-mechanical-properties
#20
Christopher McCrum, Kai D Oberländer, Gaspar Epro, Peter Krauss, Darren C James, Neil D Reeves, Kiros Karamanidis
Tendons are viscoelastic, which implies loading rate dependency, but loading rates of contractions are often not controlled during assessment of human tendon mechanical properties in vivo. We investigated the effects of sustained submaximal isometric plantarflexion contractions, which potentially negate loading rate dependency, on the stiffness of the human Achilles tendon in vivo using dynamometry and ultrasonography. Maximum voluntary contractions (high loading rate), ramp maximum force contractions with 3 s loading (lower loading rate) and sustained contractions (held for 3 s) at 25%, 50% and 80% of maximal tendon force were conducted...
September 24, 2017: Clinical Physiology and Functional Imaging
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