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Dynamometry

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https://www.readbyqxmd.com/read/28914503/testosterone-therapy-preserves-muscle-strength-and-power-in-aging-men-with-type-2-diabetes-a-randomized-controlled-trial
#1
L V Magnussen, L G Hvid, A P Hermann, D M Hougaard, B Gram, P Caserotti, M S Andersen
The purpose of the study was to evaluate whether testosterone replacement therapy improves muscle mechanical and physical function in addition to increasing lean leg mass and total lean body mass in aging men with type 2 diabetes and lowered bio-available testosterone (BioT) levels. Thirty-nine men aged 50-70 years with type 2 diabetes and BioT levels <7.3 nmol/L were included from an academic tertiary-care medical center. Patients were randomized to testosterone gel (testosterone replacement therapy, n = 20) or placebo (n = 19) for 24 weeks, applying a double-blinded design...
September 2017: Andrology
https://www.readbyqxmd.com/read/28891759/the-validity-and-reliability-of-the-sphygmomanometer-for-hip-strength-assessment-in-australian-football-players
#2
Liam Anthony Toohey, Marcos de Noronha, Carolyn Taylor, James Thomas
OBJECTIVES: To investigate the intra-rater and inter-rater reliability of the sphygmomanometer for the assessment of the adductor squeeze test and isometric hip abduction strength and to investigate the concurrent validity of the sphygmomanometer for the assessment of hip muscular strength. METHOD: Thirty-two healthy adult male community Australian football players (age 23.9 ± 4.5 years) were assessed by two blinded raters that measured the strength of the adductor squeeze test and isometric hip abduction, using a commercially available sphygmomanometer...
September 11, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28886473/strategies-for-injury-prevention-in-brazilian-football-perceptions-of-physiotherapists-and-practices-of-premier-league-teams
#3
Maurício Couto Meurer, Marcelo Faria Silva, Bruno Manfredini Baroni
OBJECTIVES: To describe the physiotherapists perceptions and the current practices for injury prevention in elite football (soccer) clubs in Brazil. DESIGN: Cross-sectional study. SETTING: Group of Science in Sports & Exercise, Federal University of Healthy Sciences of Porto Alegre (Brazil). PARTICIPANTS: 16 of the 20 football clubs involved in the Brazilian premier league 2015. MAIN OUTCOME MEASURES: Physiotherapists answered a structured questionnaire...
July 25, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28880935/post-fatigue-recovery-of-power-postural-control-and-physical-function-in-older-women
#4
Stephen A Foulis, Stephanie L Jones, Richard E van Emmerik, Jane A Kent
Low muscle power, particularly at high velocities, has been linked to poor physical function in older adults. Any loss in muscle power following fatiguing exercise or daily activities could impact physical function and postural control until power has fully recovered. To test the overall hypothesis that a common task such as walking can result in prolonged power loss and decreased physical function and balance, 17 healthy older (66-81 years) women completed a 32-min walking test (32MWT) designed to induce neuromuscular fatigue, followed by 60min of recovery (60R)...
2017: PloS One
https://www.readbyqxmd.com/read/28835874/testing-the-hip-abductor-muscle-strength-of-older-persons-using-a-handheld-dynamometer
#5
Daniel H Awwad, Jonathan D Buckley, Rebecca L Thomson, Matthew O'Connor, Tania A Carbone, Mellick J Chehade
OBJECTIVE: To investigate the reliability of a clinically applicable method of dynamometry to assess and monitor hip abductor muscle strength in older persons. DESIGN: Bilateral isometric hip abductor muscle strength measured with a handheld dynamometer, patients supine with the contralateral hip positioned directly against a wall for stabilization. Reliability determined by comparing intra-assessor and inter-assessor results and comparison to a criterion standard (stabilized dynamometer with patients in the standing position)...
September 2017: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/28832428/functional-capacity-depends-on-lower-limb-muscle-strength-rather-than-on-abdominal-obesity-in-active-postmenopausal-women
#6
Maude C Dulac, Livia Pinheiro Carvalho, Mylène Aubertin-Leheudre
OBJECTIVE: An association has been found between abdominal obesity and functional capacity (FC) in the literature where waist circumference has been used to infer abdominal obesity. However, most studies focused on evaluating predictors of FC and functional disabilities only in sedentary people. This study aimed to examine whether abdominal obesity is associated with FC in physically active postmenopausal women. METHODS: Forty-four active (>7,500 steps/d) postmenopausal women were recruited...
August 21, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28827485/characterization-of-strength-and-function-in-ambulatory-adults-with-gne-myopathy
#7
Zohar Argov, Faye Bronstein, Alicia Esposito, Yael Feinsod-Meiri, Julaine M Florence, Eileen Fowler, Marcia B Greenberg, Elizabeth C Malkus, Odelia Rebibo, Catherine S Siener, Yoseph Caraco, Edwin H Kolodny, Heather A Lau, Alan Pestronk, Perry Shieh, Alison M Skrinar, Jill E Mayhew
OBJECTIVE: To characterize the pattern and extent of muscle weakness and impact on physical functioning in adults with GNEM. METHODS: Strength and function were assessed in GNEM subjects (n = 47) using hand-held dynamometry, manual muscle testing, upper and lower extremity functional capacity tests, and the GNEM-Functional Activity Scale (GNEM-FAS). RESULTS: Profound upper and lower muscle weakness was measured using hand-held dynamometry in a characteristic pattern, previously described...
September 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28809628/-the-effect-of-activation-of-the-shoulder-girdle-muscles-on-functional-outcomes-of-rehabilitation-in-patients-with-surgically-treated-distal-radius-fractures
#8
V Jančíková, J Opavský, P Dráč, A Krobot, I Čižmář
PURPOSE OF THE STUDY The aim of the study was to assess the functional outcomes of rehabilitation in patients with surgically treated distal radius fractures in the early postoperative period. We compared the functional outcomes of patients undergoing standard rehabilitation with the group of patients whose postoperative rehabilitation was extended with shoulder girdle exercises of the affected upper limb while the wrist was immobilized. Several indices and variables were used for the assessment of the functional therapeutic outcomes of the affected wrist...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28797830/reduced-severity-of-lumbo-pelvic-hip-injuries-in-professional-rugby-union-players-following-tailored-preventative-programmes
#9
Kate L Evans, Jonathan Hughes, Morgan D Williams
OBJECTIVES: The aim of this study was to tailor lumbo-pelvic-hip (LPH) injury reduction programmes in professional rugby union players based on screening data and examine its effectiveness. DESIGN: Prospective case controlled study. METHODS: Twenty-eight professional rugby union players were screened pre- and immediately post- the YO-YO intermittent recovery level 1 test using six hip and groin strength tests (adductor squeeze at 0°, 60° and 90°, prone hip extension, abductor, adductor hand held dynamometry)...
July 12, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28774203/validity-and-reliability-of-strain-gauge-measurement-of-volitional-quadriceps-force-in-patients-with-copd
#10
Fernanda Machado Rodrigues, Heleen Demeyer, Miek Hornikx, Carlos Augusto Camillo, Ebru Calik-Kutukcu, Chris Burtin, Wim Janssens, Thierry Troosters, Christian Osadnik
This study investigated the validity and reliability of fixed strain gauge measurements of isometric quadriceps force in patients with chronic obstructive pulmonary disease (COPD). A total cohort of 138 patients with COPD were assessed. To determine validity, maximal volitional quadriceps force was evaluated during isometric maximal voluntary contraction (MVC) manoeuvre via a fixed strain gauge dynamometer and compared to (a) potentiated non-volitional quadriceps force obtained via magnetic stimulation of the femoral nerve (twitch (Tw); n = 92) and (b) volitional computerized dynamometry (Biodex; n = 46) and analysed via correlation coefficients...
August 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/28768344/determining-bilateral-strength-imbalances-in-youth-basketball-athletes
#11
Christopher Thomas, Paul Comfort, Thomas Dos'Santos, Paul A Jones
The aims of this study were: 1) to compare the strongest (D) and weakest (ND) limbs in determining muscle strength asymmetry (MSA) ratios among various muscle strength qualities and 2) to determine the relationships among various muscle strength qualities. 17 youth male basketball athletes (age=17.5±0.8 years; height=187.1±9.4 cm; body mass=81.4±10.1 kg) participated in this study. Knee flexor and extensor strength at 60°·s(-1) was assessed for both limbs with the use of isokinetic dynamometry. Other tests involved single-leg hop (SLH), countermovement jump (CMJ) and isometric mid-thigh pull (IMTP)...
September 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28768340/a-novel-two-velocity-method-for-elaborate-isokinetic-testing-of-knee-extensors
#12
Vladimir Grbic, Sasa Djuric, Olivera M Knezevic, Dragan M Mirkov, Aleksandar Nedeljkovic, Slobodan Jaric
Single outcomes of standard isokinetic dynamometry tests do not discern between various muscle mechanical capacities. In this study, we aimed to (1) evaluate the shape and strength of the force-velocity relationship of knee extensors, as observed in isokinetic tests conducted at a wide range of angular velocities, and (2) explore the concurrent validity of a simple 2-velocity method. Thirteen physically active females were tested for both the peak and averaged knee extensor concentric force exerted at the angular velocities of 30°-240°/s recorded in the 90°-170° range of knee extension...
September 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28744779/congenital-fiber-type-disproportion-in-an-ambulatory-rehabilitation-setting-a%C3%A2-case-report
#13
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
#14
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
#15
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 hardly have been documented. OBJECTIVE: To compare reliability indexes, construct validity, and ability to discriminate between individuals with and without neck pain of 4 muscle tests (deep neck flexors endurance test [DNFET]; 2 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
#16
S Verlaan, J M Van Ancum, V D Pierik, J P Van 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
#17
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
#18
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
#19
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
#20
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
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