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Dynamometry

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https://www.readbyqxmd.com/read/28744779/congenital-fiber-type-disproportion-in-an-ambulatory-rehabilitation-setting-a%C3%A2-case-report
#1
Stefano Palma, Mohammad Keilani, Tim Hasenoehrl, Clemens Ambrozy, Sara Dana, Thomas Sycha, Richard Crevenna
Congenital fiber-type disproportion is a rare condition, histologically characterized by a relative type 1 fiber hypotrophy. The main clinical feature is mild-to-severe muscle weakness. In this report, we present the case of a 21-year-old patient with congenital fiber-type disproportion in an outpatient rehabilitative setting to evaluate the feasibility and results of an assessment battery, including bioimpedance analysis (BIA), dynamometry, 3D gait analysis, 6‑min walk test (6MWT), and the timed up and go test (TUG)...
July 25, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28739425/associations-of-isokinetic-and-isotonic-knee-strength-with-knee-function-and-activity-level-after-anterior-cruciate-ligament-reconstruction-a-prospective-cohort-study
#2
Yong-Hao Pua, Jia-Ying Ho, Suelyn Ai-Sim Chan, Shin-Jiun Khoo, Hwei-Chi Chong
BACKGROUND: Although isokinetic dynamometry often serves as a reference to assess the concurrent validity of weight-machine isotonic strength testing, it is unknown whether isokinetic knee strength is associated with knee function and activity level more strongly than isotonic knee strength in patients with an anterior cruciate ligament reconstruction (ACLR). This study aimed to compare the associations of isokinetic and isotonic knee strength with knee function and work-and-sports activity levels in patients with ACLR...
July 21, 2017: Knee
https://www.readbyqxmd.com/read/28736327/within-session-and-between-session-reliability-construct-validity-and-comparison-between-individuals-with-and-without-neck-pain-of-four-neck-muscle-tests
#3
Filipa Martins, André Bento, Anabela G Silva
BACKGROUND: A variety of tests have been proposed to measure the performance of neck flexor muscles, but head-to-head comparisons have been hardly documented. OBJECTIVE: To compare reliability indexes, construct validity and ability to discriminate between individuals with and without neck pain of four muscle tests (deep neck flexors endurance test - DNFET; two variations of the craniocervical flexion test - CCFT1 and CCFT2; and dynamometry). DESIGN: Reliability and validity study...
July 20, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28721434/muscle-measures-and-nutritional-status-at-hospital-admission-predict-survival-and-independent-living-of-older-patients-the-empower-study
#4
S Verlaan, J M Van Ancum, V D Pierik, J P Svan Wijngaarden, K Scheerman, C G M Meskers, A B Maier
OBJECTIVES: Older adults with sarcopenia and malnutrition are at risk for co-morbidities, hospitalization, institutionalization, and mortality. In case of hospitalization, risks may be further increased, especially in case of suboptimal dietary intake. The aim of our study was to assess whether muscle mass, muscle strength, functional performance, and nutritional status at hospital admission were associated with survival and independent living among older patients three months after discharge...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28721027/frequency-of-frailty-and-its-association-with-cognitive-status-and-survival-in-older-chileans
#5
Cecilia Albala, Lydia Lera, Hugo Sanchez, Barbara Angel, Carlos Márquez, Patricia Arroyo, Patricio Fuentes
BACKGROUND: Age-associated brain physiologic decline and reduced mobility are key elements of increased age-associated vulnerability. OBJECTIVE: To study the frequency of frailty phenotype and its association with mental health and survival in older Chileans. METHODS: Follow-up of ALEXANDROS cohorts designed to study disability associated with obesity in community-dwelling people 60 years and older living in Santiago, Chile. At baseline, 2,098 (67% women) of 2,372 participants were identified as having the frailty phenotype: weak handgrip dynamometry, unintentional weight loss, fatigue/exhaustion, five chair-stands/slow walking speed and difficulty walking (low physical activity)...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28720481/knee-extension-and-flexion-strength-asymmetry-in-human-immunodeficiency-virus-positive-subjects-a-cross-sectional-study
#6
Vitor H F Oliveira, Susana L Wiechmann, Argéria M S Narciso, Rafael Deminice
BACKGROUND: Human Immunodeficiency Virus positive subjects present impairment in muscle function, neural activation, balance, and gait. In other populations, all of these factors have been associated with muscle strength asymmetry. OBJECTIVE: To investigate the existence of muscle strength asymmetry between dominant and non-dominant lower limbs and to determine the hamstrings-to-quadriceps strength ratio in Human Immunodeficiency Virus positive subjects. METHODS: In this cross-sectional study, 48 subjects were included (22 men and 26 women; mean age 44...
July 3, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28715287/outcome-measures-correlated-with-falls-in-nursing-home-residents-a-pilot-study
#7
Heidi S Moyer, Jeffrey Gale, Stephen Severe, Heather J Braden, Scott Hasson
Most fall risk and normal values are collected from the community-dwelling population, which is not representative of nursing home residents. The purpose of this study was twofold: 1) to determine the relationship of clinical impairment and activity limitation variables to the number of falls in nursing home residents; and 2) to determine the amount of variability that can be explained for the number of falls from these predictor variables. Seventeen active nursing home residents (83.7 ± 11.7 years) consented to participate...
July 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28708068/mechanomyography-and-torque-during-fes-evoked-muscle-contractions-to-fatigue-in-individuals-with-spinal-cord-injury
#8
Nor Zainah Mohamad, Nur Azah Hamzaid, Glen M Davis, Ahmad Khairi Abdul Wahab, Nazirah Hasnan
A mechanomyography muscle contraction (MC) sensor, affixed to the skin surface, was used to quantify muscle tension during repetitive functional electrical stimulation (FES)-evoked isometric rectus femoris contractions to fatigue in individuals with spinal cord injury (SCI). Nine persons with motor complete SCI were seated on a commercial muscle dynamometer that quantified peak torque and average torque outputs, while measurements from the MC sensor were simultaneously recorded. MC-sensor-predicted measures of dynamometer torques, including the signal peak (SP) and signal average (SA), were highly associated with isometric knee extension peak torque (SP: r = 0...
July 14, 2017: Sensors
https://www.readbyqxmd.com/read/28671353/retinal-venous-pressure-is-higher-than-the-airway-pressure-and-the-intraocular-pressure-during-the-valsalva-manoeuvre
#9
Richard Stodtmeister, Maria Heyde, Sylvana Georgii, Egbert Matthè, Eberhard Spoerl, Lutz Ernst Pillunat
PURPOSE: The aims of this prospective experimental study were to explore the influence of the Valsalva manoeuvre (VM) on retinal venous pressure (RVP) in human volunteers in a university setting and to establish correlations for RVP with the increase in airway pressure (∆AirP) and in intraocular pressure (∆IOP). METHODS: In total, 31 healthy young volunteers (age: 24 ± 1.7 years) were investigated. The instruments used included a dynamic contour tonometer, a contact lens dynamometer (Imedos) and an electronic pressure transducer for measuring airway pressure...
July 3, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28649283/clinically-evident-tophi-are-associated-with-reduced-muscle-force-in-the-foot-and-ankle-in-people-with-gout-a-cross-sectional-study
#10
Sarah Stewart, Nicola Dalbeth, Simon Otter, Peter Gow, Sunil Kumar, Keith Rome
BACKGROUND: The foot and ankle represent a common site for tophi in people with gout, yet it is unclear whether the presence of tophi is related to impaired muscle function. This study aimed to determine the association between foot and ankle tophi and muscle force in people with gout. METHODS: Participants with gout were stratified into two groups based on the presence of clinically-evident tophi affecting the foot or ankle on physical examination. Isometric muscle force for plantarflexion, dorsiflexion, inversion and eversion was measured using static dynamometry...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28630726/the-hapi-hip-arthroscopy-pre-habilitation-intervention-study-does-pre-habilitation-affect-outcomes-in-patients-undergoing-hip-arthroscopy-for-femoro-acetabular-impingement
#11
Louise F Grant, Derek J Cooper, Jon L Conroy
The purpose of this randomized prospective comparative controlled pilot study was to determine whether specific patient exercises done pre-hip arthroscopy surgery for femoro-acetabular impingement affected post-operative recovery. Between October 2013 and June 2014, 6 males and twelve females over the age of eighteen, who were listed for hip arthroscopy for femoro-acetabular impingement, were randomized into two groups. A hip-specific, 8-week home exercise programme was given to the experimental group before their surgery...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28621488/effects-of-intradialytic-neuromuscular-electrical-stimulation-on-strength-and-muscle-architecture-in-patients-with-chronic-kidney-failure-randomized-clinical-trial
#12
Jociane Schardong, Thiago Dipp, Camila Bassani Bozzeto, Marília Godoy da Silva, Gabriela Leivas Baldissera, Raíssa de Castro Ribeiro, Bruna Pan Valdemarca, Alexandre Severo do Pinho, Graciele Sbruzzi, Rodrigo Della Méa Plentz
This study aimed to evaluate the effects of neuromuscular electrical stimulation (NMES) on muscle strength and architecture, functional capacity, and endothelial function in patients with chronic kidney failure (CKF) on hemodialysis (HD). Twenty-one patients with CKF on HD were randomized into a control group (CG; n = 10) and neuromuscular electrical stimulation group (NMESG; n = 11) who received NMES in the quadriceps muscle for 8 weeks, 3 times/week (20-34 min) during HD sessions. The muscle strength of the lower limbs was evaluated by dynamometry and sit-and-stand test (SST); muscle architecture through ultrasonography; functional capacity by the distance covered in a 6-min walk test and the endothelial function by flow-mediated dilatation technique of the brachial artery...
June 16, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28606466/hip-rate-of-force-development-and-strength-are-impaired-in-females-with-patellofemoral-pain-without-signs-of-altered-gluteus-medius-and-maximus-morphology
#13
Guilherme S Nunes, Christian John Barton, Fábio Viadanna Serrão
OBJECTIVES: To compare rate of force development (RFD) and isometric muscle strength of the hip abductors and extensors; and the thickness and the amount of non-contractile tissue of the gluteus medius and maximus between females with and without patellofemoral pain (PFP). DESIGN: Cross-sectional study. METHODS: Fifty-four physically active females (27 with PFP and 27 healthy individuals) were studied. Hip muscle isometric strength and RFD was evaluated using isokinetic dynamometry...
May 24, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28603874/impact-of-rest-duration-on-achilles-tendon-structure-and-function-following-isometric-training
#14
C M Waugh, T Alktebi, A de Sa, A Scott
Intervention programs are often sought to strengthen the Achilles tendon (AT) due to its high injury rate. Long rest periods between loading cycles have been found to increase collagen synthesis by tenocytes, suggesting rest duration may be important for tendon adaptation in vivo, however exercise programs comparing long and short rest duration have not been directly compared. Fourteen adults completed a 12-week progressive training intervention; training sessions consisted of 5 x 10 isometric plantarflexion contractions each of 3-s duration performed at 90% of MVC three times weekly...
June 12, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28595864/hip-strength-and-star-excursion-balance-test-deficits-of-patients-with-chronic-ankle-instability
#15
Ryan S McCann, Ian D Crossett, Masafumi Terada, Kyle B Kosik, Brenn A Bolding, Phillip A Gribble
OBJECTIVES: To examine isometric hip strength in those with and without CAI, and determine the degree of Star Excursion Balance Test (SEBT) variance explained by isometric hip strength. DESIGN: Single-blinded, cross-sectional, case-control study. METHODS: Thirty individuals with CAI, 29 lateral ankle sprain (LAS) copers, and 26 healthy controls participated. We assessed dynamic postural control with the SEBT anterior (SEBT-ANT), posteromedial (SEBT-PM), and posterolateral (SEBT-PL) reaches, and isometric hip extension (EXT), abduction (ABD) and external rotation (ER) strength with hand-held dynamometry...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28583070/high-risk-of-malnutrition-is-associated-with-low-muscle-mass-in-older-hospitalized-patients-a-prospective-cohort-study
#16
Vincent D Pierik, Carel G M Meskers, Jeanine M Van Ancum, Siger T Numans, Sjors Verlaan, Kira Scheerman, Roeliene C Kruizinga, Andrea B Maier
BACKGROUND: Malnutrition, low muscle strength and muscle mass are highly prevalent in older hospitalized patients and associated with adverse outcomes. Malnutrition may be a risk factor for developing low muscle mass. We aimed to investigate the association between the risk of malnutrition and 1) muscle strength and muscle mass at admission and 2) the change of muscle strength and muscle mass during hospitalization in older patients. METHODS: The EMPOWER study included 378 patients aged seventy years or older who were acutely or electively admitted to four different wards of an academic teaching hospital in Amsterdam...
June 5, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28575704/muscle-function-in-women-with-systemic-sclerosis-association-with-fatigue-and-general-physical-function
#17
Amanda Cristina Justo, Fernando Silva Guimarães, Arthur Sá Ferreira, Mauricio Santos Soares, Priscila Santos Bunn, Agnaldo José Lopes
BACKGROUND: Individuals with systemic sclerosis have muscle functions with varying degrees of muscle weakness and atrophy, which in turn can have a negative impact on functional and health-related quality of life. This study aimed to evaluate peripheral muscle performance using isokinetic dynamometry of the knee in women with systemic sclerosis and to correlate peripheral muscle dysfunction with disability levels and general fatigue. METHODS: Twenty-six women with systemic sclerosis and a matched control group with an equal number of women underwent knee isokinetic dynamometry at angular speeds of 75°/s and 240°/s, isometric handgrip strength, the Health Assessment Questionnaire Disability Index, the Functional Assessment of Chronic Illness Therapy-Fatigue scale, and the Fatigue Impact Scale...
May 26, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28575241/reduced-fitness-and-physical-functioning-are-long-term-sequelae-after-curative-treatment-for-esophageal-cancer-a-matched-control-study
#18
J A Gannon, E M Guinan, S L Doyle, P Beddy, J V Reynolds, J Hussey
Reduced physical functioning is common following resections for esophageal cancer; however, objective data on physical performance outcomes in this cohort are rare. The aim of this study was to assess the physical performance and health related quality of life (HRQOL) of disease free survivors and compare findings in a case matched noncancer control group. Twenty-five males (mean (±SD) aged 63 (±6) years) who were over 6 months postesophagectomy and disease-free were compared with 25 controls (60 ± 6 years)...
August 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28555708/test-retest-reliability-of-measurements-of-hand-grip-strength-obtained-by-dynamometry-from-older-adults-a-systematic-review-of-research-in-the-pubmed-database
#19
R W Bohannon
A systematic review was performed to summarize literature describing the test-retest reliability of grip strength measures obtained from older adults. Relevant literature was identified via a PubMed search. Seventeen articles were deemed appropriate based on inclusion and exclusion criteria. The relative test-retest reliability of grip strength measures obtained by dynamometry was good to excellent (intra-class correlation coefficients > 0.80) in all but 3 studies, which involved older adults with severe dementia...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28548189/-physical-activity-obesity-and-self-esteem-in-chilean-schoolchildren
#20
Félix Zurita-Ortega, Manuel Castro-Sánchez, Sonia Rodríguez-Fernández, Cristian Cofré-Boladós, Ramón Chacón-Cuberos, Asunción Martínez-Martínez, José Joaquín Muros-Molina
BACKGROUND: Obesity is a worldwide epidemic disease and a problem for the Chilean society. AIM: To analyze the relationship between physical condition, body mass index (BMI), level of physical activity and self-esteem. Material ad Methods: Questionnaires to assess self-esteem (Rosemberg scale) and levels of physical activity (Physical Activity Questionnaire for older Children, PAQ-C) were answered by 515 children aged 10.5 ± 0.5 years from 27 schools of Santiago de Chile...
March 2017: Revista Médica de Chile
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