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Dynamometry

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https://www.readbyqxmd.com/read/29769029/muscle-mass-and-muscle-strength-are-associated-with-pre-and-post-hospitalization-falls-in-older-male-inpatients-a-longitudinal-cohort-study
#1
Jeanine M Van Ancum, Mirjam Pijnappels, Nini H Jonkman, Kira Scheerman, Sjors Verlaan, Carel G M Meskers, Andrea B Maier
BACKGROUND: Low muscle mass and strength are highly prevalent in inpatients. It is acknowledged that low muscle mass and strength are associated with falls in community-dwelling older adults, but it is unknown if these muscle measures are also associated with falls in a population of older inpatients. This study aimed to investigate the association between muscle measures and pre- and post-hospitalization falls in older inpatients. METHODS: An inception cohort of patients aged 70 years and older, admitted to an academic teaching hospital, was included in this study...
May 16, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29757913/association-between-muscle-wasting-and-muscle-strength-in-patients-who-developed-severe-sepsis-and-septic-shock
#2
Rodrigo Cerqueira Borges, Francisco Garcia Soriano
PURPOSE: To evaluate the association between the rectus femoris cross-sectional area (RFCSA) and the muscular strength obtained at the bedside in patients forwarded to the intensive care unit (ICU) for severe sepsis and septic shock. METHODS: A prospective cohort study. RFCSA was assessed by ultrasound on the following day of the ICU admission and monitored during hospitalization. The patients performed clinical tests of muscle strength (Medical Research Council (MRC) scale and handgrip dynamometry), when they could understand the verbal commands of the examiners...
May 11, 2018: Shock
https://www.readbyqxmd.com/read/29753800/effect-of-sexual-intercourse-on-lower-extremity-muscle-force-in-strength-trained-men
#3
Leah M Valenti, Claudia Suchil, Gabriel Beltran, Roman C Rogers, Emily A Massey, Todd A Astorino
BACKGROUND: Sex has been deemed taboo for athletic performance going back to ancient Rome and Greece, as the act of sex was thought to promote ease and a sense of relaxation. AIM: This study examined the effect of sexual intercourse completed 12 hours before a bout of isokinetic dynamometry on muscle force production in strength-trained men. METHODS: 12 Healthy physically active men (age = 25.6 ± 3.8 years) who were sexually active participated in this study...
May 9, 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29753346/clinical-outcome-assessments-use-of-normative-data-in-a-pediatric-rare-disease
#4
Dawn Phillips, Beth Leiro
Pediatric rare diseases present unique challenges in clinical trial design and in selection of clinical outcome assessments (COAs) used to support claims in medical product labeling. COAs that discriminate level of function relative to a normative sample are particularly important in the pediatric rare disease setting because the literature is often void of natural history data. Pediatric rare disease clinical trials will often include a wide age distribution. Gross and fine motor skills, communication, cognition, and independence in activities of daily living vary by age, and it may be difficult to distinguish between treatment effect and change due to developmental maturation...
May 2018: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/29741194/accuracy-of-body-mass-index-versus-lean-mass-index-for-prediction-of-sarcopenia-in-older-women
#5
M J Benton, A L Silva-Smith
We compared accuracy of body mass index (BMI) versus lean mass index (LMI) to predict sarcopenia in 58 community-dwelling women (74.1±0.9 years). Lean mass was measured with multi-frequency bioelectrical impedance analysis, and strength was measured with Arm Curl test, Chair Stand test, and handgrip dynamometry. Sarcopenia was defined as low LMI. When categorized by BMI, normal women had less absolute lean mass (37.6±1.0 vs. 42.6±0.9 kg; P<0.001) and less relative lean mass (14.1±0.2 vs. 16.1±0.2 kg/m2; P<0...
2018: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/29739283/isokinetic-dynamometry-and-gait-analysis-reveal-different-hip-joint-status-in-patients-with-hip-dysplasia
#6
Henrik Sørensen, Dennis B Nielsen, Julie S Jacobsen, Kjeld Søballe, Inger Mechlenburg
BACKGROUND: Objective assessment of hip dysplasia patients' functional hip joint status routinely involves gait analysis or isokinetic dynamometry. However, these methods have shown equivocal results and have not been employed in the same groups of patients and controls. PURPOSE: To assess hip flexor and abductor moments by isokinetic dynamometry in the dysplasia patient and controls, for which we previously reported smaller flexor and slightly larger abductor moments during gait in patients compared to controls...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29735276/midfemoral-bone-volume-of-walking-subjects-with-chronic-hemiparesis-post-stroke
#7
Marcela A Silva-Couto, Fernando F Paiva, Carolina C Alcântara, Thaianne Mata, Christiane L Prado-Medeiros, Tania F Salvini, Thiago Luiz Russo
BACKGROUND AND PURPOSE: Muscle and bone form a functional unit. Residual physical poststroke impairments such as muscle weakness, spasticity, and decrease in function can promote metabolic bone changes. Moreover, muscle strength can influence this process. Thus, the purpose of the present study was to investigate bone volume and mobility performance in subjects with chronic hemiparesis post stroke. METHODS: A cross-sectional study was performed on 14 subjects post stroke who were paired with healthy controls...
May 4, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29731325/assessment-of-isometric-muscle-strength-and-rate-of-torque-development-with-hand-held-dynamometry-test-retest-reliability-and-relationship-with-gait-velocity-after-stroke
#8
Benjamin F Mentiplay, Dawn Tan, Gavin Williams, Brooke Adair, Yong-Hao Pua, Kelly J Bower, Ross A Clark
Isometric rate of torque development examines how quickly force can be exerted and may resemble everyday task demands more closely than isometric strength. Rate of torque development may provide further insight into the relationship between muscle function and gait following stroke. Aims of this study were to examine the test-retest reliability of hand-held dynamometry to measure isometric rate of torque development following stroke, to examine associations between strength and rate of torque development, and to compare the relationships of strength and rate of torque development to gait velocity...
April 27, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29723911/specialized-properties-of-the-triceps-surae-muscle-tendon-unit-in-professional-ballet-dancers
#9
M M Moltubakk, M M Magulas, F O Villars, O R Seynnes, J Bojsen-Møller
This study compared professional ballet dancers (n=10) to non-stretching controls (n=10) with the purpose of comparing muscle and tendon morphology, mechanical, neural and functional properties of the triceps surae and their role for ankle joint flexibility. Torque-angle and torque-velocity data were obtained during passive and active conditions by use of isokinetic dynamometry, while tissue morphology and mechanical properties were evaluated by ultrasonography. Dancers displayed longer gastrocnemius medialis fascicles (55 ± 5 vs 47 ± 6 mm) and a longer (207 ± 33 vs 167 ± 10 mm) and more compliant (230 ± 87 vs 364 ± 106 N·mm-1 ) Achilles tendon compared to controls...
May 3, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29722592/age-related-changes-in-achilles-tendon-stiffness-and-impact-on-functional-activities-a-systematic-review-and-meta-analysis
#10
Tijs Delabastita, Stijn Bogaerts, Benedicte Vanwanseele
Achilles tendon stiffness determines calf muscle functioning during functional activities. However, contrasting evidence was found in studies comparing Achilles tendon stiffness in older and younger adults. Therefore, this systematic review compares Achilles tendon stiffness and elastic modulus in older and younger adults and reviews functional implications. Studies revealed by systematic bibliographic searches were included if healthy older adults were investigated and if Achilles tendon stiffness was measured using ultrasound and dynamometry...
May 3, 2018: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/29710135/association-between-muscular-strength-and-cognition-in-people-with-major-depression-or-bipolar-disorder-and-healthy-controls
#11
Joseph Firth, Josh A Firth, Brendon Stubbs, Davy Vancampfort, Felipe B Schuch, Mats Hallgren, Nicola Veronese, Alison R Yung, Jerome Sarris
Importance: Objective physical fitness measures, such as handgrip strength, are associated with physical, mental, and cognitive outcomes in the general population. Although people with mental illness experience reduced physical fitness and cognitive impairment, the association between muscular strength and cognition has not been examined to date. Objective: To determine associations between maximal handgrip strength and cognitive performance in people with major depression or bipolar disorder and in healthy controls...
April 18, 2018: JAMA Psychiatry
https://www.readbyqxmd.com/read/29702029/the-influence-of-habitual-protein-intake-on-body-composition-and-muscular-strength-in-career-firefighters
#12
Katie R Hirsch, Andrew J Tweedell, Craig R Kleinberg, Gena R Gerstner, T J Barnette, Jacob A Mota, Abbie E Smith-Ryan, Eric D Ryan
OBJECTIVE: The aim of this research was to determine the relationship among protein (PRO) intake, body composition, and muscle strength in overweight and obese firefighters. A secondary objective was to evaluate differences in body composition and muscle strength among overweight and obese firefighters with low (L; < 0.8 g·kg-1 ), moderate (M; 0.8-1.0 g·kg-1 ), and high (H; > 1.0 g·kg-1 ) PRO intake. METHODS: Relative PRO intake [r_PRO] was evaluated from 3-day dietary logs, self-reported by 43 overweight and obese male career firefighters (mean ± standard deviation; age = 37...
April 27, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29698293/can-shoulder-muscle-activity-be-evaluated-with-ultrasound-shear-wave-elastography
#13
Kwanwoo Kim, Hyun-Jung Hwang, Seul-Gi Kim, Jin-Hyuck Lee, Woong Kyo Jeong
BACKGROUND: Quantitative assessment of rotator cuff muscle activity is important in the treatment of shoulder disorders. However, the known methods for assessing rotator cuff muscle activity thus far have been inaccurate, invasive, and inconvenient. QUESTIONS/PURPOSES: (1) Does the activity of the deltoid, supraspinatus, and infraspinatus muscles measured using ultrasound shear wave elastography have a linear correlation with muscle activity assessed using generally used methods, including isokinetic dynamometry and electromyography? (2) Does the activity of the deltoid, supraspinatus, and infraspinatus muscles measured using shear wave elastography show good intraobserver and interobserver reliability? METHODS: Twelve volunteers participated in intrasession reliability experiments...
April 24, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29677099/optimal-adherence-to-a-mediterranean-diet-and-high-muscular-fitness-are-associated-with-a-healthier-cardiometabolic-profile-in-collegiate-students
#14
Robinson Ramírez-Vélez, Jorge Enrique Correa-Bautista, Mónica Liliana Ojeda-Pardo, Carolina Sandoval-Cuellar, Antonio García-Hermoso, Hugo Alejandro Carrillo, Katherine González-Ruíz, Daniel Humberto Prieto-Benavides, Alejandra Tordecilla-Sanders, Arvydas Martinkėnas, César Agostinis-Sobrinho
The aim of the study was to investigate the combined association of adherence to a Mediterranean diet (MedDiet) and muscular fitness (MF) with cardiometabolic health in collegiate students. The present cross-sectional analysis consisted of 1248 (714 females) healthy collegiate students (20.1 &plusmn; 2.7 years old). Adherence to a MedDiet was assessed by a KIDMED (Mediterranean Diet Quality Index) questionnaire. Standing broad jump, standing vertical jump, and isometric handgrip dynamometry were used as indicators of MF...
April 20, 2018: Nutrients
https://www.readbyqxmd.com/read/29660080/contributions-of-ankle-knee-hip-and-trunk-muscle-function-to-gait-performance-in-people-with-multiple-sclerosis-a-cross-sectional-analysis
#15
Mark M Mañago, Jeffrey R Hebert, John Kittelson, Margaret Schenkman
Background: The relative importance of lower extremity and trunk muscle function to gait in people with multiple sclerosis (MS) is unknown. Objective: This study aimed to investigate the association of lower extremity and trunk muscle function with gait performance in people who have MS and mild to moderate disability. Design: This was a cross-sectional, observational study. Methods: Participants were people who had an Expanded Disability Status Scale score of ≤ 5...
April 6, 2018: Physical Therapy
https://www.readbyqxmd.com/read/29651594/prospective-study-of-shoulder-strength-shoulder-range-of-motion-and-lymphedema-in-breast-cancer-patients-from-pre-surgery-to-5-years-after-alnd-or-slnb
#16
Roser Belmonte, Monique Messaggi-Sartor, Montse Ferrer, Angels Pont, Ferran Escalada
OBJECTIVE: Determine the changes in shoulder strength, shoulder range of motion, and arm volume in breast cancer patients treated with sentinel lymph node biopsy (SLNB) or axillary lymph node dissection (ALND) METHOD: Sixty-eight SLNB and 44 ALND patients were followed up from pre-surgery to 5 years after surgery. Primary outcomes were the differences between affected and non-affected sides for the following: shoulder strength measured by dynamometry, shoulder range of motion measured by goniometry, and lymphedema measured by volume...
April 12, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29650435/relationship-between-oxidative-stress-and-muscle-mass-loss-in-early-postmenopause-an-exploratory-study
#17
Mariano Zacarías-Flores, Martha A Sánchez-Rodríguez, Oswaldo Daniel García-Anaya, Elsa Correa-Muñoz, Víctor Manuel Mendoza-Núñez
BACKGROUND: Endocrine changes due to menopause have been associated to oxidative stress and muscle mass loss. The study objective was to determine the relationship between both variables in early postmenopause. MATERIAL AND METHODS: An exploratory, cross-sectional study was conducted in 107 pre- and postmenopausal women (aged 40-57 years). Levels of serum lipid peroxides and uric acid and enzymes superoxide dismutase and glutathione peroxidase, as well as total plasma antioxidant capacity were measured as oxidative stress markers...
April 9, 2018: Endocrinología, Diabetes y Nutrición
https://www.readbyqxmd.com/read/29650412/theoretical-considerations-for-muscle-energy-savings-during-distance-running
#18
Jared R Fletcher, Brian R MacIntosh
We have recently demonstrated that the triceps surae muscles energy cost (ECTS ) represents a substantial portion of the total metabolic cost of running (Erun ). Therefore, it seems relevant to evaluate the factors which dictate ECTS , namely the amount and velocity of shortening, since it is likely these factors will dictate Erun . Erun and triceps surae morphological and AT mechanical properties were obtained in 46 trained and elite male and female distance runners using ultrasonography and dynamometry. ECTS (J·stride-1 ) at the speed of lactate threshold (sLT) was estimated from AT force and crossbridge mechanics and energetics...
March 27, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29628896/inflammatory-and-metabolic-responses-to-different-resistance-training-on-chronic-obstructive-pulmonary-disease-a-randomized-control-trial
#19
Bruna S de Alencar Silva, Fábio S Lira, Fabrício E Rossi, Dionei Ramos, Juliana S Uzeloto, Ana P C F Freire, Fabiano F de Lima, Luís A Gobbo, Ercy M C Ramos
Background: Low-grade inflammation can be present in chronic obstructive pulmonary disease (COPD), which may affect the regulation of muscle protein and body metabolism. Regular exercise show improvement in muscle strength and dyspnea in patients with COPD, however, the response to training on inflammatory and metabolic disorders is unclear. In this study, we compared the effects of resistance training using weight machines and elastic resistance (bands and tubes) on the inflammatory and metabolic responses in patients with COPD...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29628406/eccentric-training-combined-to-neuromuscular-electrical-stimulation-is-not-superior-to-eccentric-training-alone-for-quadriceps-strengthening-in-healthy-subjects-a-randomized-controlled-trial
#20
Claudia Ferreira Gomes da Silva, Felipe Xavier de Lima E Silva, Karoline Baptista Vianna, Gabriel Dos Santos Oliveira, Marco Aurélio Vaz, Bruno Manfredini Baroni
BACKGROUND: Both eccentric training and neuromuscular electrical stimulation (NMES) are used for quadriceps strengthening. However, the effects of these interventions combined are unclear. OBJECTIVES: To compare the effects of eccentric training combined to NMES and eccentric training alone on structure, strength, and functional performance of knee extensor muscles of healthy subjects. METHODS: This is a three-arm, single-blinded, randomized controlled trial...
March 28, 2018: Brazilian Journal of Physical Therapy
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