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https://www.readbyqxmd.com/read/28734985/safety-of-catheter-ablation-for-atrial-fibrillation-using-fiber-optic-based-contact-force-sensing
#1
Moussa Mansour, Dhanunjaya Lakkireddy, Douglas Packer, John D Day, Srijoy Mahapatra, Kyle Brunner, Vivek Reddy, Andrea Natale
BACKGROUND: While the body of evidence showing the benefit of contact force (CF) sensing catheters in improving AF ablation success rate is growing, real-world safety data of this technology are limited. OBJECTIVE: The aim of this study is to report the complication rate in patients undergoing ablation using one specific CF sensing catheter (TactiCath™Quartz Contact Force Ablation Catheter (Abbott, St Paul, MN)) in a large worldwide database. METHODS: - User-reported adverse event data from January 2014 - December 2015 was reviewed for the ablation catheter...
July 19, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28734544/lower-limb-joint-work-and-joint-work-contribution-during-downhill-and-uphill-walking-at-different-inclinations
#2
Nathalie Alexander, Gerda Strutzenberger, Lisa Maria Ameshofer, Hermann Schwameder
Work performance and individual joint contribution to total work are important information for creating training protocols, but were not assessed so far for sloped walking. Therefore, the purpose of this study was to analyze lower limb joint work and joint contribution of the hip, knee and ankle to total lower limb work during sloped walking in a healthy population. Eighteen male participants (27.0±4.7yrs, 1.80±0.05m, 74.5±8.2kg) walked on an instrumented ramp at inclination angles of 0°, ±6°, ±12° and ±18° at 1...
July 11, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28733565/customary-marriages-in-rural-pakistan
#3
N Rehan, K Qayyum
BACKGROUND: Although the incidents of customary marriages are frequently reported in Pakistani press, yet no large scale community-based study has ever been conducted to gauge the magnitude of such marriages. The present study is the first-ever community based study on this topic. METHODS: 4,385 ever-married women, aged 18-83 years, from six rural districts, were interviewed to enquire about the types of their marriages. The data was collected through interviews conducted by trained female interviewers and analysed through SPSS-20...
June 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28731768/self-organized-velocity-pulses-of-dense-colloidal-suspensions-in-microchannel-flow
#4
Philipp Kanehl, Holger Stark
We present a numerical study of dense colloidal suspensions in a pressure-driven microchannel flow in two dimensions. The colloids are modeled as elastic and frictional spheres suspended in a Newtonian fluid, which we simulate using the method of multiparticle collision dynamics. The model reproduces periodic velocity and density pulse trains, traveling upstream in the microchannel, which are found in experiments conducted by Isa et al. [Phys. Rev. Lett. 102, 058302 (2009)PRLTAO0031-900710.1103/PhysRevLett...
July 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28731725/skin-and-soft-tissue-infections-active-component-u-s-armed-forces-2013-2016
#5
Shauna Stahlman, Valerie F Williams, Gi-Taik Oh, Eugene V Millar, Jason W Bennett
During the 4-year surveillance period, there were 282,571 incident cases of skin and soft tissue infection (SSTI) among active component U.S. military members diagnosed in inpatient or outpatient settings, corresponding to an overall incidence of 558.2 per 10,000 person-years (p-yrs). An additional 10,904 cases occurred in theater of operations (460.0 per 10,000 p-yrs). Approximately half (49.4%) were classified as "other SSTI" (e.g., folliculitis, impetigo); 45.9% were cellulitis/abscess; 4.6% were carbuncles/furuncles; and 0...
July 2017: MSMR
https://www.readbyqxmd.com/read/28730946/contribution-of-upper-limb-muscles-to-two-different-gripping-styles-in-elite-indoor-tug-of-war-athletes
#6
Wen-Tzu Tang, Wei-Chih Liao, Hsin-Min Lee
To investigate characteristic upper limb muscle use between two common tug of war (TOW) gripping styles, 20 elite athletes from two high school TOW teams were recruited. Under conditioned attack pulling (with 90% maximal force) on a tug machine, participants used their own habitual gripping style to pull for five 15-s trials. Force and kinematic measurements showed a significantly better force performance and higher centre-of-gravity tilting angle with the gripping style one than with the gripping style two (GS2) (both p < 0...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28730881/comparison-of-jump-landing-protocols-with-biodex-balance-system-as-measures-of-dynamic-postural-stability-in-athletes
#7
Zarko Krkeljas
The objective of the study was to determine whether a relationship exists between the two common methods for assessing postural stability in athletes: the time-to-stabilisation (TTS) via force-plate and the Biodex Balance System (BBS). The conditions under which these measurements assess dynamic postural control may not provide sufficient feedback to practitioners. Fourty-four amateur soccer players with no history of musculoskeletal disorders volunteered for the study. Pearson correlation was used to compare the anterior-posterior (AP), medio-lateral (ML), and the overall stability indexes measured by BBS, with the corresponding parameters of TTS assessed via force plate...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28729058/impacts-of-sensation-perception-and-motor-abilities-of-the-ipsilesional-upper-limb-on-hand-functions-in-unilateral-stroke-quantifications-from-biomechanical-and-functional-perspectives
#8
Hsiu-Yun Hsu, Chia-Wen Ke, Ta-Shen Kuan, Hsiu-Ching Yang, Ching-Liang Tsai, Li-Chieh Kuo
BACKGROUND: The presence of subtle losses in hand dexterity after stroke impacts the regaining of independence with regard to activities of daily living. Therefore, awareness of ipsilesional upper extremity (UE) function may be of importance when drafting a comprehensive rehabilitation program. However, current hand function tests seem to be unable to identify asymptomatic UE impairments. OBJECTIVES: To assess the motor coordination as well as the sensory-perception of an ipsilesional UE using biomechanical analysis of performance-oriented tasks and conducting a Manual Tactile Test (MTT)...
July 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28727037/assessment-of-objective-measures-of-beef-steak-juiciness-and-their-relationships-to-sensory-panel-juiciness-ratings
#9
L W Lucherk, T G O'Quinn, J F Legako, R J Rathmann, J C Brooks, M F Miller
The objective of this study was to evaluate multiple instrumental measures of beef juiciness and determine their relationships with sensory panel juiciness ratings. Treatments were selected to maximize variation in juiciness and included 5 USDA quality grades (Prime, upper two-thirds Choice, lower one-third Choice, Select, and Standard) as well as 2 enhanced Select treatments (112 and 107% of the initial raw weight) and were prepared to 3 degrees of doneness (DOD; rare [66°C], medium [71°C], and well done [77°C])...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726999/the-effects-of-instrumental-color-and-extractable-lipid-content-on-sensory-characteristics-of-pork-loin-chops-cooked-to-a-medium-rare-degree-of-doneness
#10
K B Wilson, M F Overholt, C M Shull, C Schwab, A C Dilger, D D Boler
Boneless loins ( = 286) were selected from a population of pigs of a common genetic line and management strategy to be used in an experiment to determine the effects of instrumental color and extractable lipid content on sensory traits of boneless pork chops cooked to an end point internal temperature of 63°C. Loins were cut into 2.54-cm-thick chops and aged until 14 d postmortem. Chop L* values ranged from 57.60 (light) to 43.11 (dark) and extractable lipid ranged from 0.80 to 5.52%. Using these values, chops were assigned to 5 color and 6 marbling categories using National Pork Producers Council (NPPC) standards, resulting in a 5 × 6 factorial arrangement of treatments...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28725437/towards-evidence-based-strength-training-a-comparison-of-muscle-forces-during-deadlifts-goodmornings-and-split-squats
#11
Florian Schellenberg, William R Taylor, Silvio Lorenzetti
BACKGROUND: To ensure an efficient and targeted adaptation with low injury risk during strength exercises, knowledge of the participant specific internal loading conditions is essential. The goal of this study was to calculate the lower limb muscles forces during the strength exercises deadlifts, goodmornings and splits squats by means of musculoskeletal simulation. METHODS: 11 participants were assessed performing 10 different variations of split squats by varying the step length as well as the maximal frontal tibia angle, and 13 participants were measured performing deadlift and goodmorning exercises...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28725197/skeletal-muscle-remodeling-in-response-to-eccentric-vs-concentric-loading-morphological-molecular-and-metabolic-adaptations
#12
REVIEW
Martino V Franchi, Neil D Reeves, Marco V Narici
Skeletal muscle contracts either by shortening or lengthening (concentrically or eccentrically, respectively); however, the two contractions substantially differ from one another in terms of mechanisms of force generation, maximum force production and energy cost. It is generally known that eccentric actions generate greater force than isometric and concentric contractions and at a lower metabolic cost. Hence, by virtue of the greater mechanical loading involved in active lengthening, eccentric resistance training (ECC RT) is assumed to produce greater hypertrophy than concentric resistance training (CON RT)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28724575/a-multidirectional-gravity-assist-algorithm-that-enhances-locomotor-control-in-patients-with-stroke-or-spinal-cord-injury
#13
Jean-Baptiste Mignardot, Camille G Le Goff, Rubia van den Brand, Marco Capogrosso, Nicolas Fumeaux, Heike Vallery, Selin Anil, Jessica Lanini, Isabelle Fodor, Grégoire Eberle, Auke Ijspeert, Brigitte Schurch, Armin Curt, Stefano Carda, Jocelyne Bloch, Joachim von Zitzewitz, Grégoire Courtine
Gait recovery after neurological disorders requires remastering the interplay between body mechanics and gravitational forces. Despite the importance of gravity-dependent gait interactions and active participation for promoting this learning, these essential components of gait rehabilitation have received comparatively little attention. To address these issues, we developed an adaptive algorithm that personalizes multidirectional forces applied to the trunk based on patient-specific motor deficits. Implementation of this algorithm in a robotic interface reestablished gait dynamics during highly participative locomotion within a large and safe environment...
July 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28724444/adaptation-effects-in-static-postural-control-by-providing-simultaneous-visual-feedback-of-center-of-pressure-and-center-of-gravity
#14
Kenta Takeda, Hiroki Mani, Naoya Hasegawa, Yuki Sato, Shintaro Tanaka, Hiroshi Maejima, Tadayoshi Asaka
BACKGROUND: The benefit of visual feedback of the center of pressure (COP) on quiet standing is still debatable. This study aimed to investigate the adaptation effects of visual feedback training using both the COP and center of gravity (COG) during quiet standing. METHODS: Thirty-four healthy young adults were divided into three groups randomly (COP + COG, COP, and control groups). A force plate was used to calculate the coordinates of the COP in the anteroposterior (COPAP) and mediolateral (COPML) directions...
July 19, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28723822/biomechanical-differences-in-female-basketball-and-soccer-players-during-multi-directional-jump-landings
#15
Jeffrey B Taylor, Kevin R Ford, Randy J Schmitz, Scott E Ross, Terry A Ackerman, Sandra J Shultz
Anterior cruciate ligament injury prevention programs are less successful in basketball than soccer and may be due to distinct movement strategies that these athletes develop from sport-specific training. The purpose of this study was to identify biomechanical differences between female basketball and soccer players during multi-directional jump landings. Lower extremity biomechanics of eighty-nine female athletes who played competitive basketball (n=40) or soccer (n=49) at the middle- or high-school level were analyzed with three-dimensional motion analysis during a drop vertical jump (DVJ), double- (SAG-DL) and single-leg forward jump (SAG-SL), and double- (FRONT-DL) and single-leg (FRONT-SL) lateral jump...
July 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28720183/g-loc-warning-algorithms-based-on-emg-features-of-the-gastrocnemius-muscle
#16
Sungho Kim, Taehwan Cho, Yongkyun Lee, Hyojin Koo, Booyong Choi, Dongsoo Kim
BACKGROUND: G-induced loss of consciousness (G-LOC) is mainly caused by failure to sustain an oxygenated blood supply to the pilot's brain because of the sudden acceleration in the direction of the +Gz axis, and is considered a critical safety issue. The purpose of this study was to develop G-LOC warning algorithms based on monitoring electromyograms (EMG) of the gastrocnemius muscle on the calf. METHODS: EMG data was retrieved from a total of 67 pilots and pilot trainees of the Korean Air Force during high-G training on a human centrifugal simulator...
August 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28719249/applying-sensory-modulation-to-mental-health-inpatient-care-to-reduce-seclusion-and-restraint-a-case-control-study
#17
Charlotte Andersen, Anne Kolmos, Kjeld Andersen, Volkmar Sippel, Elsebeth Stenager
BACKGROUND: Clinical training in managing conflicts and preventing violence seldom contains sensory modulation (SM) as a method to de-escalate and prevent restraint and seclusion. Sensory-based interventions promote adaptive regulation of arousal and emotion. SM is a complementary approach that is associated with reduced rates of seclusion and restraint in mental healthcare, but there is need for more research in this area. AIMS: Using SM to reduce restraint and seclusion in inpatient mental health care...
July 18, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28718499/-meeting-contraceptive-needs-of-hiv-positive-women-effect-on-elimination-of-vertical-transmission-of-hiv
#18
Marcela Gómez-Suárez
Nearly 38% of unplanned pregnancies occur because of unmet contraceptive needs. In HIV-positive women, these figures triple, a phenomenon explained by social determinants such as poverty, access to health services, violence, and forced displacement, all of which are frequent elements in the lives of these women. Unplanned pregnancies represent a psychological burden related to women's fear of transmitting the infection to their children, orphanhood, and assuming risks during pregnancy, in addition to family and social consequences that are expressed in lack of prenatal care, neglect of their health, and an increased likelihood of vertical transmission...
December 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28717628/does-combined-strength-training-and-local-vibration-improve-isometric-maximum-force-a-pilot-study
#19
Ruben Goebel, Monoem Haddad, Heinz Kleinöder, Zengyuan Yue, Thomas Heinen, Joachim Mester
BACKGROUND: The aim of the study was to determine whether a combination of strength training (ST) and local vibration (LV) improved the isometric maximum force of arm flexor muscles. ST was applied to the left arm of the subjects; LV was applied to the right arm of the same subjects. The main aim was to examine the effect of LV during a dumbbell biceps curl (Scott Curl) on isometric maximum force of the opposite muscle among the same subjects. It is hypothesized, that the intervention with LV produces a greater gain in isometric force of the arm flexors than ST...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28715403/improving-strength-power-muscle-aerobic-capacity-and-glucose-tolerance-through-short-term-progressive-strength-training-among-elderly-people
#20
Eva A Andersson, Per Frank, Marjan Pontén, Björn Ekblom, Maria Ekblom, Marcus Moberg, Kent Sahlin
This protocol describes the simultaneous use of a broad span of methods to examine muscle aerobic capacity, glucose tolerance, strength, and power in elderly people performing short-term resistance training (RET). Supervised progressive resistance training for 1 h three times a week over 8 weeks was performed by RET participants (71±1 years, range 65-80). Compared to a control group without training, the RET showed improvements on the measures used to indicate strength, power, glucose tolerance, and several parameters of muscle aerobic capacity...
July 5, 2017: Journal of Visualized Experiments: JoVE
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