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https://www.readbyqxmd.com/read/28810204/characteristics-of-black-carbon-emissions-from-in-use-light-duty-passenger-vehicles
#1
Xuan Zheng, Shaojun Zhang, Ye Wu, K Max Zhang, Xian Wu, Zhenhua Li, Jiming Hao
Mitigating black carbon (BC) emissions from various combustion sources has been considered an urgent policy issue to address the challenges of climate change, air pollution and health risks. Vehicles contribute considerably to total anthropogenic BC emissions and urban BC concentrations. Compared with heavy-duty diesel vehicles, there is much larger uncertainty in BC emission factors for light-duty passenger vehicles (LDPVs), in particular for gasoline LDPVs, which warrants further studies. In this study, we employed the dynamometer and the Aethalometer (AE-51) to measure second-by-second BC emissions from eight LDPVs by engine technology and driving cycle...
August 12, 2017: Environmental Pollution
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
#2
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/28806829/-lundborg-s-resection-arthroplasty-vs-pyrocarbon-spacer-pyrocardan%C3%A2-for-the-treatment-of-trapeziometacarpal-joint-osteoarthritis-a-two-centre-study
#3
Holger C Erne, Daniel Schmauß, Michael Cerny, Verena Schmauss, Denis Ehrl, Steffen Löw, Stefan Deiler
Background Various operative approaches exist for osteoarthritis of the trapeziometacarpal joint. The aim of this two-centre study was to compare the results of Lundsborg's resection arthroplasty with the implantation of the Pyrocardan(®) spacer. Patients and methods We treated 20 patients with symptomatic osteoarthritis of the trapeziometacarpal joint in stage III / IV (Eaton-Littler classification). Twelve patients received Lundsborg's resection arthroplasty (centre 1), and in 8 patients a Pyrocardan(®) spacer was implanted (centre 2)...
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28806290/-clinical-and-quantitative-isokinetic-comparison-of-abdominal-morbidity-and-dynamics-following-diep-versus-muscle-sparing-free-tram-flap-breast-reconstruction
#4
Hirokazu Uda, Hideaki Kamochi, Syunji Sarukawa, Ataru Sunaga, Yasusih Sugawara, Kotaro Yoshimura
BACKGROUND: The deep inferior epigastric perforator (DIEP) flap, which is a modification of the muscle-sparing free transverse rectus abdominis musculocutaneous (msTRAM) flap, is being more frequently used in an effort to reduce postoperative abdominal morbidity. However, there is no consensus as to which of these flaps is superior. We aimed to compare quantitative measurements of abdominal function obtained with an isokinetic dynamometer after DIEP and msTRAM flap elevation. METHODS: Patients who underwent unilateral single-pedicled DIEP (n = 42) or msTRAM flap (n = 36) breast reconstruction performed by a single surgeon were included in this study...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28803758/association-between-body-weight-and-proximal-tibial-bone-mineral-density-after-bilateral-total-knee-arthroplasty
#5
Yoshinori Ishii, Hideo Noguchi, Junko Sato, Hana Ishii, Koji Todoroki, Shin-Ichi Toyabe
BACKGROUND: Proximal tibial bone mineral density (BMD) has been studied for its potential impact on subsidence and loosening of the tibial component after total knee arthroplasty (TKA). However, no known studies of proximal tibial BMD after TKA have evaluated the effect of major impact factors such as body weight (BW), muscle strength, and level of activity. We aim to determine whether factors such as level of activity, quadriceps strength, BW, gender, age, and prosthetic design affect proximal tibial BMD over the mid- to long-term following TKA...
August 10, 2017: Knee
https://www.readbyqxmd.com/read/28799964/the-effect-of-adductor-canal-block-on-knee-extensor-muscle-strength-6-weeks-after-total-knee-arthroplasty-a-randomized-controlled-trial
#6
Nicolas Rousseau-Saine, Stephan R Williams, François Girard, Luc J Hébert, Florian Robin, Luc Duchesne, Frédéric Lavoie, Monique Ruel
BACKGROUND: Total knee arthroplasty (TKA) reduces knee extensor muscle strength (KES) in the operated limb for several months after the surgery. Immediately after TKA, compared to either inguinal femoral nerve block or placebo, adductor canal block (ACB) better preserves KES. Whether this short-term increase in KES is maintained several weeks after surgery remains unknown. We hypothesized that 48 hours of continuous ACB immediately after TKA would improve KES 6 weeks after TKA, compared to placebo...
August 9, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28797826/knee-extensor-power-asymmetry-is-unrelated-to-functional-mobility-of-older-adults
#7
Dain P LaRoche, Michelle R Villa, Colin W Bond, Summer B Cook
PURPOSE: To determine whether knee extensor power asymmetry limits functional mobility of older adults who possess muscle weakness. METHODS: Knee extensor power was measured in 36 older men and women (76.0±7.6yr), for each leg, on an isokinetic dynamometer at 60, 180, and 300degs(-1) and power asymmetry was calculated as the percent difference in power between strong and weak legs, at each isokinetic velocity. 400-m walk, stair ascent, and five-repetition chair rise tests were performed to assess functional mobility...
August 7, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28774203/validity-and-reliability-of-strain-gauge-measurement-of-volitional-quadriceps-force-in-patients-with-copd
#8
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/28770661/the-effects-of-football-match-congestion-in-an-international-tournament-on-hip-adductor-squeeze-strength-and-pain-in-elite-youth-players
#9
Martin Wollin, Tania Pizzari, Kane Spagnolo, Marijke Welvaert, Kristian Thorborg
The purpose of this study was to investigate the effect of a congested international tournament match schedule on adductor strength and pain in elite youth football players. Twenty-two male players (age: 15.53 ± 0.48 years, height: 174.87 ± 7.59 cm, weight: 67.45 ± 7.40 kg) were included. The 5-second adductor squeeze strength was captured daily using a hand-held dynamometer during a 7-game international tournament. Pain during the squeeze test was recorded using numerical pain ratings (0-10) to quantify groin pain...
August 3, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28761720/age-related-changes-in-the-effects-of-strength-training-on-lower-leg-muscles-in-healthy-individuals-measured-using-mri
#10
Maria Psatha, Zhiqing Wu, Fiona Gammie, Aivaras Ratkevicius, Henning Wackerhage, Thomas W Redpath, Fiona J Gilbert, Judith R Meakin, Richard M Aspden
BACKGROUND: We previously measured the rate of regaining muscle strength during rehabilitation of lower leg muscles in patients following lower leg casting. Our primary aim in this study was to measure the rate of gain of strength in healthy individuals undergoing a similar training regime. Our secondary aim was to test the ability of MRI to provide a biomarker for muscle function. METHODS: Men and women were recruited in three age groups: 20-30, 50-65 and over 70 years...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28760428/influence-of-nutritional-status-in-the-diagnosis-of-sarcopenia-in-nursing-home-residents
#11
Beatriz Lardiés-Sánchez, Alejandro Sanz-París, Javier Pérez-Nogueras, Antonio Serrano-Oliver, María E Torres-Anoro, Alfonso J Cruz-Jentoft
OBJECTIVES: Malnutrition and sarcopenia frequently coexist in elderly patients. The aim of this study was to assess the effect of nutritional status in the diagnosis of sarcopenia in nursing home residents. METHODS: A cross-sectional study was performed with data collected from 339 elderly patients living in five nursing homes. Sarcopenia was defined according to the consensus definition of the European Working Group on Sarcopenia in Older People. Body mass composition was assessed using bioimpedance analysis, handgrip strength using a dynamometer, and physical performance by 5-m gait speed test...
September 2017: Nutrition
https://www.readbyqxmd.com/read/28759349/association-between-handgrip-muscle-strength-and-cardiometabolic-z-score-in-children-6-to-19-years-of-age-results-from-the-canadian-health-measures-survey
#12
Brittany V Rioux, Paul Kuwornu, Atul Sharma, Mark S Tremblay, Jonathan M McGavock, Martin Sénéchal
BACKGROUND: It is unclear if muscle strength, another index of fitness, which confers the protection from cardiometabolic risk in adults, is associated with similar protection in children and youth. The purpose of this study was to investigate the association between handgrip strength and cardiometabolic health in a large Canadian sample of children and youth. METHODS: We performed a cross-sectional analysis of the Canadian sample of children and youth aged 6 to 19 years (n = 1376) studied in the Canadian Health Measures Survey (cycles 1 and 2) between 2007 and 2011...
July 31, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28756528/changes-in-incontinence-after-hysterectomy
#13
Anne Raabjerg Kruse, Trine Dalsgaard Jensen, Finn Friis Lauszus, Ervin Kallfa, Mogens Rørbæk Madsen
PURPOSE: Information about the perioperative incontinence following hysterectomy is limited. To advance the postoperative rehabilitation further we need more information about qualitative changes in incontinence, fatigue and physical function of patients undergoing hysterectomy. METHODS: 108 patients undergoing planned hysterectomy were compared pre- and postoperatively. In a sub-study of the prospective follow-up study the changes in incontinence, postoperative fatigue, quality of life, physical function, and body composition were evaluated preoperatively, 13 and 30 days postoperatively...
July 29, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28750963/relationship-between-hardness-and-deformation-of-the-vastus-lateralis-muscle-during-knee-flexion-using-ultrasound-imaging
#14
Shintarou Kudo, Sho Nakamura
The aims of this study were to clarify the relationship between deformation of the VL during knee flexion and the stiffness of the VL. 40 lower limbs of 20 male normal volunteers were divided into control and tightness groups using the Ely test. Deformation of the VL in the transverse plane during active knee flexion from 0 to 90° was recorded using B-mode ultrasonography. Hardness of the VL was measured on the middle lateral thigh using a durometer. The reaction force at fully passive flexion was measured using a hand held dynamometer...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28746947/-eccentric-training-after-a-traumatic-apophysis-fracture-at%C3%A2-the-spina-iliaca-anterior-inferior-case-study-of-a-junior-football-player
#15
Yvonne Landkammer, Florian Rieder, Robert Sassmann, Jürgen Herfert, Anton Wicker
Eccentric training is an established training method in competitive sports. It has been used effectively to improve muscle strength during rehabilitation after cruciate ligament reconstruction. However, it is still uncertain whether or not eccentric training contributes to successful rehabilitation after apophysis fractures. A fourteen-year-old soccer player, forward position, presents with an apophysis avulsion located at the right spina iliaca anterior inferior. After completing an early rehabilitation phase and isokinetic concentric strength development, the patient starts an eccentric training programme eight weeks after the injury, including training on an isokinetic dynamometer (Biodex) for four weeks, followed by a four-week eccentric ergometer training (Eccentron)...
July 26, 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/28746246/acute-effects-of-constant-angle-and-constant-torque-static-stretching-on-passive-stiffness-of-the-posterior-hip-and-thigh-muscles-in-healthy-young-and-old-men
#16
Ty B Palmer
The purpose of this study was to examine the acute effects of constant-angle (CA) and constant-torque (CT) static stretching on passive stiffness of the posterior hip and thigh muscles in healthy, young and old men. Fifteen young (25±3 years) and 15 old (71±4 years) men underwent 2 passive straight-leg raise (SLR) assessments before and after 8 min of CA and CT stretching using an isokinetic dynamometer. Passive stiffness was calculated during each SLR as the slope of the final 10% of the angle-torque curve...
July 24, 2017: Journal of Strength and Conditioning Research
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
#17
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/28733093/hydrotherapy-improves-pain-and-function-in-older-women-with-knee-osteoarthritis-a-randomized-controlled-trial
#18
João Marcos Dias, Lígia Cisneros, Rosângela Dias, Carolina Fritsch, Wellington Gomes, Leani Pereira, Mary Luci Santos, Paulo Henrique Ferreira
BACKGROUND: Currently, there is poor evidence of the effect of hydrotherapy alone on patients with hip or knee osteoarthritis. OBJECTIVES: The study aimed to assess the impact of hydrotherapy on pain, function, and muscle function in older women with knee osteoarthritis. METHODS: A randomized controlled trial was conducted to evaluate the efficacy of hydrotherapy in women with knee osteoarthritis. Seventy-three women aged 65 and older were randomized to hydrotherapy (n=36) or a control group (n=37)...
July 5, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28721628/disease-activity-handgrip-strengths-and-hand-dexterity-in-patients-with-rheumatoid-arthritis
#19
D Palamar, G Er, R Terlemez, I Ustun, G Can, M Saridogan
Rheumatoid arthritis (RA) is a chronic inflammatory disease affecting the hand joints and leading to impairment in hand functions. Evaluation of functional impairment is necessary for assessing patient's quality of life, disease activity, and treatment outcome. To date, many scientific studies assessed the disease activity of patients with RA, but little attention has been carried out to assess these patients' hand functions and dexterity. The purposes of this study were to determine the clinical relevance of the Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH), hand dexterity with the Purdue Pegboard Test (PPT), and handgrip strength and pinch strengths of RA patients and to look into their relation between each other...
July 18, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28717378/evaluation-of-shoulder-girdle-strength-more-than-12-month-after-modified-radical-mastectomy-and-axillary-nodes-dissection
#20
Mahdieh Akoochakian, Heidar Ali Davari, Mohammad Hossein Alizadeh, Nader Rahnama
BACKGROUND: Muscle strength is necessary for upper body normal function. Upper extremity function impairments have been reported in breast cancer (BC) survivors. It is not possible to know precisely if cancer adjuvant therapy such as radiation and chemotherapy had any effect on the unaffected arm. The aim of this study was to compare shoulder girdle strength among women with BC and similarly aged women without cancer. MATERIALS AND METHODS: Thirty-three postmenopausal women (51 ± 6...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
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