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https://www.readbyqxmd.com/read/29668382/the-cross-education-of-strength-and-skill-following-unilateral-strength-training-in-the-upper-and-lower-limbs
#1
Lara A Green, David A Gabriel
Cross education is the strength gain or skill improvement transferred to the contralateral limb following unilateral training or practice. The present study examined the transfer of both strength and skill following a strength training program. Forty participants (20M, 20F) completed a 6-week unilateral training program of dominant wrist flexion or dorsiflexion. Strength, force variability, and muscle activity were assessed pre-training, post-training, and following 6-weeks of detraining (retention). Analyses of covariance compared the experimental limb (trained or untrained) to the control (dominant or non-dominant)...
April 18, 2018: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29579620/ground-reaction-forces-during-a-drop-vertical-jump-impact-of-external-load-training
#2
Jeffrey D Simpson, Brandon L Miller, Eric K O'Neal, Harish Chander, Adam C Knight
External load training (ELT) is a supplemental training method used to potentially improve high intensity task performance. However, biomechanical parameters such as ground reaction forces (GRF), ground contact time, and time to peak GRF during a drop vertical jump (DVJ) following an ELT intervention have yet to be examined. Therefore, this study investigated the impact of ELT on certain biomechanical parameters of a DVJ task. Well-trained females stratified into two groups (ELT = 9, Control = 10) completed a DVJ from a 45...
March 23, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29572976/the-effect-of-nordic-hamstring-exercise-training-volume-on-biceps-femoris-long-head-architectural-adaptation
#3
Joel D Presland, Ryan G Timmins, Matthew N Bourne, Morgan D Williams, David A Opar
PURPOSE: To determine the time course of architectural adaptations in the biceps femoris long head (BFLH ) following high or low volume eccentric training. METHODS: Twenty recreationally active males completed a two week standardised period of eccentric Nordic hamstring exercise (NHE) training, followed by four weeks of high (n=10) or low volume (n=10) training. Eccentric strength was assessed pre and post intervention and following detraining. Architecture was assessed weekly during training and after two and four weeks of detraining...
March 23, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29561714/structural-changes-following-velopharyngeal-resistance-training-continuous-positive-airway-pressure-therapy-a-preliminary-report
#4
Youkyung Bae, Gwenlyn Pfeil
OBJECTIVE: To evaluate the feasibility/effectiveness of using magnetic resonance imaging (MRI) to document velopharyngeal (VP) structural changes induced by continuous positive airway pressure (CPAP) therapy. OUTCOME MEASURES: Changes in velar length and thickness, levator veli palatini (LVP) length and thickness, velar volume, and intravelar muscular proportion along the course of CPAP therapy participation (Pre-CPAP, Post-CPAP, and withdrawal). RESULTS: Velar and LVP lengths remained nearly the same, with the median changes (Δ) less than 0...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29528961/the-short-term-training-and-detraining-effects-of-supervised-versus-unsupervised-resistance-exercise-in-aging-adults
#5
Samuel T Orange, Phil Marshall, Leigh A Madden, Rebecca V Vince
This study compared the effects of a 4-week supervised (SUP) and unsupervised (UNSUP) resistance training programme followed by 12 weeks of detraining (DET). Thirty-six healthy aging adults (age: 53.6 ± 3.6 years; body mass index: 28.3 ± 5.1 kg/m) were randomly allocated to a SUP group (n = 17) or an UNSUP group (n = 19). Participants completed three training sessions per week using resistance bands and body weight movements. Measures of physical performance were administered at baseline, at the end of the training programme, and after the DET period...
March 6, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29423946/is-stiffness-related-to-athletic-groin-pain
#6
S Gore, A Franklyn-Miller, C Richter, E C Falvey, E King, K Moran
Athletic groin pain (AGP) is a common injury prevalent in field sports. One biomechanical measure that may be of importance for injury risk is stiffness. To date however, stiffness has not been examined in AGP. The primary aim was to determine if AGP affects vertical and joint stiffness and if so, whether successful rehabilitation is associated with a change in stiffness. Sixty-five male patients with AGP and fifty male controls were recruited to this study. Assessment included a biomechanical examination of stiffness during a lateral hurdle hop test...
February 9, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29416570/endurance-training-remodels-sperm-borne-small-rna-expression-and-methylation-at-neurological-gene-hotspots
#7
Lars R Ingerslev, Ida Donkin, Odile Fabre, Soetkin Versteyhe, Mie Mechta, Pattarawan Pattamaprapanont, Brynjulf Mortensen, Nikolaj Thure Krarup, Romain Barrès
Remodeling of the sperm epigenome by lifestyle factors before conception could account for altered metabolism in the next generation offspring. Here, we hypothesized that endurance training changes the epigenome of human spermatozoa. Using small RNA (sRNA) sequencing and reduced representation bisulfite sequencing (RRBS), we, respectively, investigated sRNA expression and DNA methylation in pure fractions of motile spermatozoa collected from young healthy individuals before, after 6 weeks of endurance training and after 3 months without exercise...
2018: Clinical Epigenetics
https://www.readbyqxmd.com/read/29401199/effect-of-a-16-week-combined-strength-and-plyometric-training-program-followed-by-a-detraining-period-on-athletic-performance-in-pubertal-volleyball-players
#8
Abed Fathi, Raouf Hammami, Jason Moran, Rihab Borji, Sonia Sahli, Haithem Rebai
The purpose of this study was to determine the effects of 16 weeks of combined strength and plyometric training or plyometric training alone, and how a detraining program can modify adaptations in response to the training stimulus. Sixty male volleyball players (circa PHV:-1 to +1 years from PHV) were assigned to a Combined Training group (CTG) (n=20), a Plyometric Training group (PTG) (n=20) or a control group (CG) (n=20). The experimental groups (CTG and PTG) participated in training twice weekly for 16 weeks...
February 1, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29369953/preseason-maximal-aerobic-power-in-professional-soccer-players-among-different-divisions
#9
Michaelides A Marcos, Parpa M Koulla, Zacharia I Anthos
Marcos, MA, Koulla, PM, and Anthos, ZI. Preseason maximal aerobic power in professional soccer players among different divisions. J Strength Cond Res 32(2): 356-363, 2018-The purpose of this study was to examine and compare the anthropometric, maximal oxygen uptake (V[Combining Dot Above]O2max), and positional differences of first division (D1) professional football players from players of second (D2) and third (D3) divisions in Cyprus football leagues. Four hundred twenty-one professional male football players participated in this study...
February 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29324710/the-intention-to-be-physically-active-in-sedentary-obese-children-a-longitudinal-study
#10
Antonio García-Hermoso, Jose M Saavedra, Yolanda Escalante, Ana M Domínguez
Obese children are usually less active than their normal-weight counterparts, although the reasons for this remain unclear. The objective of the present study was to determine how a long-term program (3 years of intervention and 6 months of follow-up detraining) of physical exercise with or without a low calorie diet influenced sedentary obese children's intention to be physically active. The participants were 27 children, ages from 8 to 11 years, who formed two groups according to the program that they followed...
January 11, 2018: Behavioral Sciences
https://www.readbyqxmd.com/read/29315169/health-benefits-of-an-innovative-exercise-program-for-mitochondrial-disorders
#11
Carmen Fiuza-Luces, Jorge Díez-Bermejo, Miguel Fernández-de la Torre, Gabriel Rodríguez-Romo, Paz Sanz-Ayán, Aitor Delmiro, Diego Munguía-Izquierdo, Irene Rodríguez-Gómez, Ignacio Ara, Cristina Domínguez-González, Joaquín Arenas, Miguel A Martín, Alejandro Lucia, María Morán
PURPOSE: We determined the effects of an innovative 8-week exercise intervention (aerobic, resistance and inspiratory muscle training) for patients with mitochondrial disease (MD). METHODS: Several endpoints were assessed in 12 patients (19-59 years, 4 female) at pre-training, post-training and after 4-week detraining: aerobic power, muscle strength/power and maximal inspiratory pressure (main endpoints), ability to perform activities of daily living (ADL), body composition, quality of life and blood myokines (secondary endpoints)...
January 8, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29220619/the-effect-of-whole-body-vibration-on-lower-body-resistance-detraining-in-college-age-women
#12
Keston G Lindsay, David L Nichols, Ronald W Davis, David D Marshall
PURPOSE: This study explored the effect of whole-body vibration (WBV) using accelerations of 2.56 g to 7.68 g on lower-body detraining. METHODS: All participants (N = 20) were trained using a lower-body resistance-training program for 30 min twice per week from Week 0 to Week 6. At the end of the program, they were randomly assigned to a control group that performed no further training or a WBV group that performed a progressive static WBV program. Data for the 5-repetition-maximum (5RM) squat and extensors and flexors of the knee and ankle were collected at Weeks 0, 6, 8, 10, and 12 for all participants...
March 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29212672/cardiovascular-response-to-prescribed-detraining-among-recreational-athletes
#13
Charles Richard Pedlar, Marcel G Brown, Robert E Shave, James M Otto, Aimee Drane, Jennifer Michaud-Finch, Miranda Contursi, Meagan M Wasfy, Adolph Hutter, Michael H Picard, Gregory D Lewis, Aaron L Baggish
Exercise-induced cardiac remodeling (EICR) and the attendant myocardial adaptations characteristic of the athlete's heart may regress during periods of exercise reduction or abstinence. The time course and mechanisms underlying this reverse remodeling, specifically the impact of concomitant plasma volume (PV) contraction on cardiac chamber size, remain incompletely understood. We therefore studied recreational runners (n=21, aged 34 {plus minus} 7 years; 48% male) who completed an 18-week training program (~7 h...
December 6, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29162116/health-related-quality-of-life-handgrip-strength-and-falls-during-detraining-in-elderly-habitual-exercisers
#14
Izaro Esain, Ana Rodriguez-Larrad, Iraia Bidaurrazaga-Letona, Susana María Gil
BACKGROUND: The effects of regular exercise on physical functioning and health-related quality of life (HRQOL) have been thoroughly studied. In contrast, little is known about the changes which occur following cessation of activity (detraining). Here, we have investigated the effect of a 3 month detraining period on HRQOL and on handgrip strength in elderly people who had regularly exercised, and examined the association of these variables with falls. METHODS: Thirty-eight women and 11 men (mean age, 75...
November 21, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29148626/effects-of-detraining-on-breathing-pattern-and-ventilatory-efficiency-in-young-soccer-players
#15
José R Alvero Cruz, Mauro Ronconi, Jerónimo Garcia Romero, José Naranjo Orellana
BACKGROUND: This study investigated the effects of detraining on breathing pattern. The aim of this study was to evaluate the effect of a sixweek detraining period on breathing patterns and ventilatory efficiency. METHODS: Fourteen young soccer players were evaluated at the end of a competitive season and after a sixweek detraining period. Assessment of respiratory efficiency was based on VE/VCO2 slope changes below 70% of exercise intensity. All participants underwent twice an incremental graded exercise test up to exhaustion...
November 17, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29114531/effects-of-a-short-term-detraining-period-on-muscle-functionality-and-cognition-of-strength-trained-older-women-a-preliminary-report
#16
Hélio José Coelho, Bruno Rodrigues, Ivan de Oliveira Gonçalves, Marco Carlos Uchida
The present study aimed to investigate the impact of a 1-month detraining composed by Christmas and New Year's Day in the functional and cognitive parameters of 12 older women who had previously participated in 22-week moderate intensity strength training program (ST; n=6) or remained performing their regular habits of life during all study period, without engaging in physical exercise programs (CG; n=6). Transfer capacity (i.e., Timed Up and Go [TUG]) and executive function (i.e., TUG with a cognitive task) were increased in the ST group after the intervention...
October 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29091150/maintenance-of-exercise-training-benefits-is-associated-with-adequate-milk-and-dairy-products-intake-in-elderly-hypertensive-subjects-following-detraining
#17
Wilson Max Almeida Monteiro de Moraes, Neucilane Silveira Dos Santos, Larissa Pereira Aguiar, Luís Gustavo Oliveira de Sousa
OBJECTIVE: To investigate whether maintenance of exercise training benefits is associated with adequate milk and dairy products intake in hypertensive elderly subjects after detraining. METHODS: Twenty-eight elderly hypertensive patients with optimal clinical treatment underwent 16 weeks of multicomponent exercise training program followed by 6 weeks of detraining, and were classified according to milk and dairy products intake as low milk (<3 servings) and high milk (≥3 servings) groups...
July 2017: Einstein
https://www.readbyqxmd.com/read/29052051/tongue-strengthening-exercises-in-healthy-older-adults-specificity-of-bulb-position-and-detraining-effects
#18
Leen Van den Steen, Charlotte Schellen, Katja Verstraelen, Anne-Sophie Beeckman, Jan Vanderwegen, Marc De Bodt, Gwen Van Nuffelen
Clinical tongue-strengthening therapy programs are generally based on the principles of exercise and motor learning, including the specificity paradigm. The aim of this study was to investigate the specific effect of anterior and posterior tongue-strengthening exercises (TSE) on tongue strength (TS) in healthy older adults and to measure possible detraining effects. Sixteen healthy elderly completed 8 weeks of TSE by means of the Iowa Oral Performance Instrument (IOPI). They were distributed in two different treatment arms and performed either exclusively anterior or posterior TSE (ATSE, n = 9 or PTSE, n = 7) depending on the treatment arm...
October 19, 2017: Dysphagia
https://www.readbyqxmd.com/read/28905240/different-training-programs-decrease-blood-pressure-during-submaximal-exercise
#19
Oscar Niño, Natalia Balagué, Daniel Aragonés, Juan Alamo, Guillermo Oviedo, Casimiro Javierre, Elisabet Guillamo, Maria C Delicado, Gines Viscor, Josep L Ventura
OBJECTIVE: Our purpose was to study the effects of aerobic, resistance, and mixed (aerobic and resistance) training programs on blood pressure, both at rest and during submaximal exercise in healthy people. METHODS: We randomized 39 physically active, healthy participants into aerobic, resistance, and mixed (aerobic and resistance) exercise groups, and a control group. The exercise groups trained for 60 min three times/week for 6 weeks, and a submaximal cycle ergometer test was performed before and after training, and 3 weeks after detraining...
November 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28902118/concurrent-training-followed-by-detraining-does-the-resistance-training-intensity-matter
#20
António C Sousa, Daniel A Marinho, Maria H Gil, Mikel Izquierdo, David Rodríguez-Rosell, Henrique P Neiva, Mário C Marques
The aim of the present study was to analyze the training and detraining effects of concurrent aerobic training and resistance training against three different external loads on strength and aerobic variables. Thirty-two men were randomly assigned to four groups: low-load (LLG, n=9), moderate-load (MLG, n=9), high-load (HLG, n=8), and control group (CG, n=6). Resistance training consisted of FS with a low-load (40-55% 1RM), a moderate-load (55-70% 1RM) or a high-load (70-85% 1RM) combined with jump and sprint exercises...
September 6, 2017: Journal of Strength and Conditioning Research
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