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Dynamometry

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https://www.readbyqxmd.com/read/28340163/does-cervical-interlaminar-epidural-steroid-injection-with-low-dose-lidocaine-cause-objective-upper-extremity-weakness-a-preliminary-study
#1
Zachary L McCormick, Ariana Nelson, Mark C Kendall, Robert J McCarthy, Geeta Nagpal, David R Walega
Objective. : Low-dose local anesthetic is often used in cervical interlaminar epidural steroid injections (CIESI), yet its effect on upper extremity strength has not been studied. The presence of consequent weakness has potential implications for postprocedure safety. This study aimed to determine whether low-dose lidocaine in a C7-T1 CIESI causes objective weakness. Design. : Prospective case series. Setting. : Academic pain center...
March 18, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28333173/functional-and-volumetric-analysis-of-the-pectoralis-major-muscle-after-submuscular-breast-augmentation
#2
Ana Claudia Roxo, Fabio Xerfan Nahas, Nadia Cristina Pinheiro Rodrigues, José Inácio Salles, Victor Rodrigues Amaral Cossich, Claudio Cardoso de Castro, Jose Horacio Aboudib, Ruy Garcia Marques
Background: Dual plane breast augmentation is a technical variation of the submuscular plane described as a technique that reduces contour deformities due to contraction of the pectoralis major muscle and lower risk of double-bubble deformity associated with breast ptosis. Despite improvement in the aesthetic aspect, there is still no consensus whether this technique affects the function of the pectoralis major muscle. Objectives: The aim of this study was to correlate functional with volumetric changes associated with dissection of the muscle origin in submuscular breast augmentation...
January 20, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28314618/drop-punt-kicking-induces-eccentric-knee-flexor-weakness-associated-with-reductions-in-hamstring-electromyographic-activity
#3
Steven J Duhig, Morgan D Williams, Geoffrey M Minett, David Opar, Anthony J Shield
OBJECTIVES: To examine the effect of 100 drop punt kicks on isokinetic knee flexor strength and surface electromyographic activity of bicep femoris and medial hamstrings. DESIGN: Randomized control study. METHODS: Thirty-six recreational footballers were randomly assigned to kicking or control groups. Dynamometry was conducted immediately before and after the kicking or 10min of sitting (control). RESULTS: Eccentric strength declined more in the kicking than the control group (p<0...
September 20, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28298464/the-achilles-tendon-is-mechanosensitive-in-older-adults-adaptations-following-14%C3%A2-weeks-versus-1-5%C3%A2-years-of-cyclic-strain-exercise
#4
Gaspar Epro, Andreas Mierau, Jonas Doerner, Julian A Luetkens, Lukas Scheef, Guido M Kukuk, Henning Boecker, Constantinos N Maganaris, Gert-Peter Brüggemann, Kiros Karamanidis
The aging musculoskeletal system experiences a general decline in structure and function, characterized by a reduced adaptability to environmental stress. We investigated whether the older human Achilles tendon (AT) demonstrates mechanosensitivity (via biomechanical and morphological adaptations) in response to long-term mechanical loading. Thirty-four female adults (60-75 years) were allocated to either a medium-term (14 weeks; N=21) high AT strain cyclic loading exercise intervention or a control group (N=13), with 12 participants continuing with the intervention for 1...
March 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28296952/fatness-mediates-the-influence-of-muscular-fitness-on-metabolic-syndrome-in-colombian-collegiate-students
#5
Antonio García-Hermoso, Hugo Alejandro Carrillo, Katherine González-Ruíz, Andrés Vivas, Héctor Reynaldo Triana-Reina, Javier Martínez-Torres, Daniel Humberto Prieto-Benavidez, Jorge Enrique Correa-Bautista, Jeison Alexander Ramos-Sepúlveda, Emilio Villa-González, Mark D Peterson, Robinson Ramírez-Vélez
The purpose of this study was two-fold: to analyze the association between muscular fitness (MF) and clustering of metabolic syndrome (MetS) components, and to determine if fatness parameters mediate the association between MF and MetS clustering in Colombian collegiate students. This cross-sectional study included a total of 886 (51.9% women) healthy collegiate students (21.4 ± 3.3 years old). Standing broad jump and isometric handgrip dynamometry were used as indicators of lower and upper body MF, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28289890/kinematic-analysis-of-stair-climbing-in-rotating-platform-cruciate-retaining-and-posterior-stabilized-mobile-bearing-total-knee-arthroplasties
#6
Koji Murakami, Satoshi Hamai, Ken Okazaki, Satoru Ikebe, Hiroyuki Nakahara, Hidehiko Higaki, Takeshi Shimoto, Hideki Mizu-Uchi, Umito Kuwashima, Yukihide Iwamoto
INTRODUCTION: The aim of our study was to compare and contrast the effects of two types of mobile-bearing total knee arthroplasties (TKA), namely, the cruciate-retaining (CR) and posterior-stabilized (PS) TKAs, on clinical outcomes and in vivo kinematics during stair climbing. MATERIALS AND METHODS: The Press-Fit Condylar Sigma rotating platform was used for both CR and PS TKAs. Patient-reported outcomes were assessed using the 2011 Knee Society Score. Quadriceps muscle strength was evaluated by isokinetic dynamometry...
March 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28280974/post-absorptive-muscle-protein-turnover-affects-resistance-training-hypertrophy
#7
Paul T Reidy, Michael S Borack, Melissa M Markofski, Jared M Dickinson, Christopher S Fry, Rachel R Deer, Elena Volpi, Blake B Rasmussen
PURPOSE: Acute bouts of resistance exercise and subsequent training alters protein turnover in skeletal muscle. The mechanisms responsible for the changes in basal post-absorptive protein turnover and its impact on muscle hypertrophy following resistance exercise training are unknown. Our goal was to determine whether post-absorptive muscle protein turnover following 12 weeks of resistance exercise training (RET) plays a role in muscle hypertrophy. In addition, we were interested in determining potential molecular mechanisms responsible for altering post-training muscle protein turnover...
March 9, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28265165/reliability-of-lower-extremity-muscle-strength-measurements-with-handheld-dynamometry-in-stroke-patients-during-the-acute-phase-a-pilot-reliability-study
#8
Hsiao-Ching Yen, Jer-Junn Luh, Ting Teng, Guan-Shuo Pan, Wen-Shiang Chen, Chiang-Chang Hsun, Jiann-Shing Jeng
[Purpose] No literature has described a suitable method for measuring muscle strength in a supine position during acute phase after stroke. This study investigated the feasibility and reliability of using a commercial handheld dynamometer to measure the muscle strengths of the hip flexor, knee extensor, and dorsiflexor in the supine position with a modified method for patients at a stroke intensive care center within 7 days of stroke onset. [Subjects and Methods] Fifteen persons with acute stroke participated in this cross-sectional study...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28255442/validity-and-test-retest-reliability-of-a-novel-simple-back-extensor-muscle-strength-test
#9
Amy T Harding, Benjamin Kurt Weeks, Sean A Horan, Andrew Little, Steven L Watson, Belinda Ruth Beck
OBJECTIVES: To develop and determine convergent validity and reliability of a simple and inexpensive clinical test to quantify back extensor muscle strength. METHODS: Two testing sessions were conducted, 7 days apart. Each session involved three trials of standing maximal isometric back extensor muscle strength using both the novel test and isokinetic dynamometry. Lumbar spine bone mineral density was examined by dual-energy X-ray absorptiometry. Validation was examined with Pearson correlations (r)...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28244552/prevalence-of-sarcopenia-in-community-dwelling-chilean-elders-according-to-an-adapted-version-of-the-european-working-group-on-sarcopenia-in-older-people-ewgsop-criteria
#10
L Lera, C Albala, H Sánchez, B Angel, M J Hormazabal, C Márquez, P Arroyo
BACKGROUND: Sarcopenia is the progressive loss of mass and skeletal muscle strength and has serious consequences on older people's health. The Chilean older population has a high life-expectancy, but the prevalence of functional dependence is also high. OBJECTIVE: To determine the prevalence of sarcopenia in Chilean older adults and its relationship with age, gender, and body mass index (BMI). DESIGN: Cross-sectional study. SETTING: Community...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28229572/coenzyme-q10-does-not-prevent-exercise-induced-muscle-damage-and-oxidative-stress-in-sedentary-men
#11
Nilsel Okudan, Muaz Belviranli, Savaş Torlak
BACKGROUND: The objective of this study was to examine the effects of coenzyme Q10 (CoQ10) supplementation on exercise-induced muscle damage and oxidative stress in sedentary young men. In this study, a total of twenty one sedentary and healthy young men participated. METHODS: Participants were assigned at random to a CoQ10 or a placebo group employing a double-blind method. Those in the CoQ10 group ingested 200 mg CoQ10 per day for 4 weeks. Those in the placebo group ingested the same dosage of a placebo...
February 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28198046/muscle-fatigability-and-depressive-symptoms-in-later-life
#12
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
#13
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
#14
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 5, 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
#15
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
#16
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...
March 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
#17
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
#18
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
#19
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
#20
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
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