keyword
MENU ▼
Read by QxMD icon Read
search

eccentric overload

keyword
https://www.readbyqxmd.com/read/28385560/skeletal-muscle-functional-and-structural-adaptations-after-eccentric-overload-flywheel-resistance-training-a-systematic-review-and-meta-analysis
#1
REVIEW
Sergio Maroto-Izquierdo, David García-López, Rodrigo Fernandez-Gonzalo, Osvaldo C Moreira, Javier González-Gallego, José A de Paz
OBJECTIVES: The purpose of this meta-analysis was to examine the effect of flywheel (FW) resistance training with Eccentric Overload (FW-EOT) on muscle size and functional capacities (i.e. strength and power) in athletes and healthy subjects, and to compare FW-induced adaptations with those triggered by traditional resistance exercise interventions. DESIGN: A systematic review and meta-analysis of randomised controlled trials. METHODS: A search of electronic databases [PubMed, MEDLINE (SportDiscus), Web of Science, Scopus and PEDro] was conducted to identify all publications employing FW-EOT up to April 30, 2016...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28342723/effects-of-eccentric-overload-training-on-patellar-tendon-and-vastus-lateralis-in-three-days-of-consecutive-running
#2
Fernando Sanz-López, César Berzosa, Fidel Hita-Contreras, Antonio Martínez-Amat
BACKGROUND: The analysis of structural changes in patellar tendon and muscle of healthy subjects in response to mechanical loads provides useful insight into the mechanism underlying overuse injuries. METHODS: Changes produced in tendon and muscles structures after eccentric overload training and three consecutive running days were examined. Twenty healthy subjects were recruited and divided into two groups. One group (ECC) performed eccentric overload squat training (six weeks)...
March 22, 2017: Knee
https://www.readbyqxmd.com/read/28322596/motor-imagery-during-action-observation-increases-eccentric-hamstring-force-an-acute-non-physical-intervention
#3
Matthew Scott, Stephen Taylor, Paul Chesterton, Stefan Vogt, Daniel Lloyd Eaves
PURPOSE: Rehabilitation professionals typically use motor imagery (MI) or action observation (AO) to increase physical strength for injury prevention and recovery. Here we compared hamstring force gains for MI during AO (AO + MI) against two pure MI training groups. MATERIALS AND METHODS: Over a 3-week intervention physically fit adults imagined Nordic hamstring exercises in both legs and synchronized this with a demonstration of the same action (AO + MI), or they purely imagined this action (pure MI), or imagined upper-limb actions (pure MI-control)...
March 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28281159/utility-of-magnetic-resonance-imaging-in-the-evaluation-of-left-ventricular-thickening
#4
REVIEW
Nicholas Fulton, Prabhakar Rajiah
Left ventricular (LV) thickening can be due to hypertrophy (concentric, asymmetric, eccentric) or remodelling (concentric or asymmetric). Pathological thickening may be caused by pressure overload, volume overload, infiltrative disorders, hypertrophic cardiomyopathy, athlete's heart or neoplastic infiltration. Magnetic resonance imaging (MRI) plays an important role in the comprehensive evaluation of LV thickening, including: establishing diagnosis, determining LV geometry, establishing aetiology, quantification, identifying prognostic factors, serial follow-up and treatment response...
April 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28152673/effects-of-adding-a-weekly-eccentric-overload-training-session-on-strength-and-athletic-performance-in-team-handball-players
#5
Rafael Sabido, Jose Luis HernáNdez-Davó, Javier Botella, Angel Navarro, Julio Tous-Fajardo
To investigate the influence of adding a weekly eccentric-overload training (EOT) session in several athletic performance's tests, 18 team-handball players were assigned either to an EOT (n = 11) or a Control (n = 7) group. Both groups continued to perform the same habitual strength training, but the EOT group added one session/week during a 7-week training programme consisting of four sets of eight repetitions for the bilateral half-squat and unilateral lunge exercises. The test battery included handball throwing velocity, maximum dynamic strength (1RM), countermovement jump (CMJ), 20 m sprint, triple hop for distance, and eccentric/concentric power in both the half-squat and lunge exercises...
February 2, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28151781/acute-effects-of-eccentric-overload-on-concentric-front-squat-performance
#6
Cameron N Munger, David C Archer, Whitney D Leyva, Megan A Wong, Jared W Coburn, Pablo B Costa, Lee E Brown
Munger, CN, Archer, DC, Leyva, WD, Wong, MA, Coburn, JW, Costa, PB, and Brown, LE. Acute effects of eccentric overload on concentric front squat performance. J Strength Cond Res 31(5): 1192-1197, 2017-Eccentric overload is used to enhance performance. The purpose of this study was to investigate the acute effects of eccentric overload on concentric front squat performance. Twenty resistance-trained men (age = 23.80 ± 1.82 years, height = 176.95 ± 5.21 cm, mass = 83.49 ± 10.43 kg, 1 repetition maximum [1RM] front squat = 131...
May 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28108648/reduced-firing-rates-of-high-threshold-motor-units-in-response-to-eccentric-overload
#7
Tom G Balshaw, Madhu Pahar, Ross Chesham, Lewis J Macgregor, Angus M Hunter
Acute responses of motor units were investigated during submaximal voluntary isometric tasks following eccentric overload (EO) and constant load (CL) knee extension resistance exercise. Ten healthy resistance-trained participants performed four experimental test sessions separated by 5 days over a 20 day period. Two sessions involved constant load and the other two used eccentric overload. EO and CL used both sessions for different target knee eccentric extension phases; one at 2 sec and the other at 4 sec...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/27967273/eccentric-overload-training-in-team-sports-functional-performance-constant-bilateral-vertical-vs-variable-unilateral-multidirectional-movements
#8
Oliver Gonzalo-Skok, Julio Tous-Fajardo, Carlos Valero-Campo, César Berzosa, Ana Vanessa Bataller, José Luis Arjol-Serrano, Gerard Moras, Alberto Mendez-Villanueva
PURPOSE: This study analyzed the effects of two different eccentric overload training (EOT) programs, using a rotational conical-pulley, on functional performance in team-sports players. A traditional movement paradigm (i.e., squat) including several sets of one bilateral and vertical movement was compared to a novel paradigm including a different exercise in each set of unilateral and multidirectional movements. METHODS: Forty-eight amateur/semiprofessional team-sport players were randomly assigned to an EOT program including either the same bilateral-vertical (CBV, n=24) movement (squat) or different unilateral-multidirectional (VUMD, n=24) movements...
December 14, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27956942/obesity-and-hypertensive-heart-disease-focus-on-body-composition-and-sex-differences
#9
REVIEW
Giovanni de Simone, Costantino Mancusi, Raffaele Izzo, Maria Angela Losi, L Aldo Ferrara
There is evidence that hypertension is frequently associated with overweight/obesity even in kids and adolescents. Either conditions influence development of left ventricular (LV) hypertrophy (LVH), through different biological and hemodynamic mechanisms: obesity is conventionally thought to elicit a coherent growth of LV chamber dimensions and myocardial wall thickness (eccentric LV geometry), whereas a more accentuated increase in wall-thickness (concentric LV geometry) is attributed to hypertension. While during youth these differences are visible, proportion of LV concentric geometry, the most harmful LV geometric pattern, sharply raises in obese individuals during middle age, and becomes the most frequent geometric patterns among obese-hypertensive individuals...
2016: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/27899894/moderate-load-eccentric-exercise-a-distinct-novel-training-modality
#10
REVIEW
Hans Hoppeler
Over the last 20 years a number of studies have been published using progressive eccentric exercise protocols on motorized ergometers or similar devices that allow for controlled application of eccentric loads. Exercise protocols ramp eccentric loads over an initial 3 weeks period in order to prevent muscle damage and delayed onset muscle soreness. Final training loads reach 400-500 W in rehabilitative settings and over 1200 W in elite athletes. Training is typically carried out three times per week for durations of 20-30 min...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27705034/the-high-pull-exercise-a-comparison-between-a-versapulley-flywheel-device-and-the-free-weight
#11
F Javier Núñez, Luis J Suarez-Arrones, Paul Cater, Alberto Mendez-Villanueva
The aim of this study was to examine the kinematics and kinetics (force, velocity and acceleration) and blood lactate concentration of the Versapulley (VP) device in comparison with free weight (FW) exercise at a similar external load. Fifteen rugby players randomly performed two training sessions of 6 sets of 6 repetitions with 20 s of recovery in between sets of the high pull exercise with the VP and the FW. Both training sessions were separated by 72 h. Barbell displacement (cm.), peak velocity (m/s), peak acceleration (m/s(2)), mean propulsive velocity (m/s), mean propulsive acceleration (m/s(2)), propulsive phase (%), mean and maximal force (Newtons) were continuously recorded during each repetition...
September 6, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27669183/effects-of-inertial-setting-on-power-force-work-and-eccentric-overload-during-flywheel-resistance-exercise-in-women-and-men
#12
Luis Manuel Martinez-Aranda, Rodrigo Fernandez-Gonzalo
Exercise load is a key component in determining end-point adaptations to resistance exercise. Yet, there is no information regarding the use of different inertia (i.e. loads) during iso-inertial flywheel resistance exercise, a very popular high-intensity training model. Thus, this study examined power, work, force and eccentric-overload produced during flywheel resistance exercise with different inertial settings in men and women. Twenty-two women (n=11) and men (n=11) performed unilateral (in both legs) isolated concentric (CON) and coupled CON and eccentric (ECC) exercise in a flywheel knee extension device employing six inertias (0...
September 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27663100/sex-specific-effects-of-adrenergic-induced-left-ventricular-remodeling-in-spontaneously-hypertensive-rats
#13
Frederic S Michel, Mhlengi Magubane, Lebogang Mokotedi, Gavin R Norton, Angela J Woodiwiss
OBJECTIVE: The aim of this work was to determine whether adrenergic-induced left ventricular (LV) dilation and eccentric remodeling in pressure-overload hypertrophy is sex specific. METHODS AND RESULTS: Chronic β-adrenoreceptor activation was produced in male and female spontaneously hypertensive rats (SHRs) by means of daily administration of isoproterenol (ISO; 0.04 mg/kg daily) from 9 to 15 months of age. LV chamber dimensions were determined in vivo by means of echocardiography and ex vivo in isolated perfused heart preparations...
February 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/27618131/the-high-pull-exercise-a-comparison-between-a-versapulley-flywheel-device-and-the-free-weight
#14
F Javier Núñez, Luis J Suarez-Arrones, Paul Cater, Alberto Mendez-Villanueva
The aim of this study was to examine the kinematics and kinetics (force, velocity and acceleration) and blood lactate concentration of the Versapulley (VP) device in comparison with free weight (FW) exercise at a similar external load. Fifteen rugby players randomly performed two training sessions of 6 sets of 6 repetitions with 20 s of recovery in between sets of the high pull exercise with the VP and the FW. Both training sessions were separated by 72 h. Barbell displacement (cm.), peak velocity (m/s), peak acceleration (m/s2), mean propulsive velocity (m/s), mean propulsive acceleration (m/s2), propulsive phase (%), mean and maximal force (Newtons) were continuously recorded during each repetition...
September 6, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27614172/current-perspectives-on-left-ventricular-geometry-in-systemic-hypertension
#15
REVIEW
Ahmet Afşin Oktay, Carl J Lavie, Richard V Milani, Hector O Ventura, Yvonne E Gilliland, Sangeeta Shah, Michael E Cash
Hypertension (HTN) is a global health problem and a leading risk factor for cardiovascular disease (CVD) morbidity and mortality. The hemodynamic overload from HTN causes left ventricular (LV) remodeling, which usually manifests as distinct alterations in LV geometry, such as concentric remodeling or concentric and eccentric LV hypertrophy (LVH). In addition to being a common target organ response to HTN, LV geometric abnormalities are well-known independent risk factors for CVD. Because of their prognostic implications and quantifiable nature, changes in LV geometric parameters have commonly been included as an outcome in anti-HTN drug trials...
November 2016: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/27610087/changes-in-myocardial-composition-and-conduction-properties-in-rat-heart-failure-model-induced-by-chronic-volume-overload
#16
David Sedmera, Jan Neckar, Jiri Benes, Jana Pospisilova, Jiri Petrak, Kamil Sedlacek, Vojtech Melenovsky
Volume overload leads to development of eccentric cardiac hypertrophy and heart failure. In our previous report, we have shown myocyte hypertrophy with no fibrosis and decrease in gap junctional coupling via connexin43 in a rat model of aorto-caval fistula at 21 weeks. Here we set to analyze the electrophysiological and protein expression changes in the left ventricle and correlate them with phenotypic severity based upon ventricles to body weight ratio. ECG analysis showed increased amplitude and duration of the P wave, prolongation of PR and QRS interval, ST segment elevation and decreased T wave amplitude in the fistula group...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27575931/echocardiographic-findings-in-haemodialysis-patients-according-to-their-state-of-hydration
#17
María Cristina Di Gioia, Raul Gascuena, Paloma Gallar, Gabriela Cobo, Rosa Camacho, Nuria Acosta, Zsofia Baranyi, Isabel Rodriguez, Aniana Oliet, Olimpia Ortega, Inmaculada Fernandez, Carmen Mon, Milagros Ortiz, Mari C Manzano, Juan C Herrero, José I Martinez, Joaquín Palma, Ana Vigil
BACKGROUND: Chronic fluid overload is frequent in hemodialysis patients (P) and it associates with hypertension, left ventricular hypertrophy (LVH) and higher mortality. Moreover, echocardiographic data assessing fluid overload is limited. Our aim was to evaluate the relationship between fluid overload measured by bioimpedance spectroscopy (BIS) and different echocardiographic parameters. METHODS: Cross-sectional observational study including 76 stable patients...
August 26, 2016: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/27294501/genetic-variation-and-exercise-induced-muscle-damage-implications-for-athletic-performance-injury-and-ageing
#18
REVIEW
Philipp Baumert, Mark J Lake, Claire E Stewart, Barry Drust, Robert M Erskine
Prolonged unaccustomed exercise involving muscle lengthening (eccentric) actions can result in ultrastructural muscle disruption, impaired excitation-contraction coupling, inflammation and muscle protein degradation. This process is associated with delayed onset muscle soreness and is referred to as exercise-induced muscle damage. Although a certain amount of muscle damage may be necessary for adaptation to occur, excessive damage or inadequate recovery from exercise-induced muscle damage can increase injury risk, particularly in older individuals, who experience more damage and require longer to recover from muscle damaging exercise than younger adults...
September 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27234427/proteomic-analysis-of-short-term-preload-induced-eccentric-cardiac-hypertrophy
#19
Belal A Mohamed, Abdul R Asif, Moritz Schnelle, Mohamed Qasim, Sara Khadjeh, Dawid Lbik, Peter Schott, Gerd Hasenfuss, Karl Toischer
BACKGROUND: Hemodynamic load leads to cardiac hypertrophy and heart failure. While afterload (pressure overload) induces concentric hypertrophy, elevation of preload (volume overload) yields eccentric hypertrophy and is associated with a better outcome. Here we analysed the proteomic pattern of mice subjected to short-term preload. METHODS AND RESULTS: Female FVB/N mice were subjected to aortocaval shunt-induced volume overload that leads to an eccentric hypertrophy (left ventricular weight/tibia length +31 %) with sustained systolic heart function at 1 week after operation...
2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27107489/exposure-to-chronic-alcohol-accelerates-development-of-wall-stress-and-eccentric-remodeling-in-rats-with-volume-overload
#20
Alan J Mouton, Van K Ninh, Elia C El Hajj, Milad C El Hajj, Nicholas W Gilpin, Jason D Gardner
Chronic alcohol abuse is one of the leading causes of dilated cardiomyopathy (DCM) in the United States. Volume overload (VO) also produces DCM characterized by left ventricular (LV) dilatation and reduced systolic and diastolic function, eventually progressing to congestive heart failure. For this study, we hypothesized that chronic alcohol exposure would exacerbate cardiac dysfunction and remodeling due to VO. Aortocaval fistula surgery was used to induce VO, and compensatory cardiac remodeling was allowed to progress for either 3days (acute) or 8weeks (chronic)...
August 2016: Journal of Molecular and Cellular Cardiology
keyword
keyword
47307
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"