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https://www.readbyqxmd.com/read/27918682/changes-in-the-force-velocity-mechanical-profile-after-short-resistance-training-programmes-differing-in-set-configurations
#1
Eliseo Iglesias-Soler, Miguel Fernández-Del-Olmo, Xián Mayo, Juan Fariñas, Dan Río-Rodríguez, Eduardo Carballeira, Elvis A Carnero, Robert A Standley, Manuel A Giráldez-García, Xurxo Dopico-Calvo, Jose Luis Tuimil
The main aim of this study was to analyse the effect of resistance training programs differing in set configuration on mechanical force-velocity profiles. Thirteen participants performed ten unilateral knee extension training sessions over 5 weeks. Each limb was randomised to one of the following set configurations: traditional (4 sets of 8 repetitions at maximum intended velocity, 10RM load, 3-min pause between sets), and inter-repetition rest (32 maximum intended velocity repetitions, 10RM load, 17.4 s of rest between each repetition)...
December 5, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27918675/biomechanics-in-paralympics-implications-for-performance
#2
Floor Morriën, Matthew J D Taylor, Florentina J Hettinga
PURPOSE: To provide an overview of biomechanical studies in Paralympic research and their relevance for performance in Paralympic sports. METHODS: Search terms ' Paralympic Biomechanics', 'Paralympic Sport Performance', 'Paralympic Athlete Performance', and Paralympic Athlete' were entered into the electronic database PubMed. RESULTS: Thirty-four studies were included. Biomechanical studies in Paralympics mainly contributed to performance enhancement by technical optimization (n=32) and/or injury prevention (n=6)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918654/cold-water-immersion-and-contrast-water-therapy-do-not-improve-short-term-recovery-following-resistance-training
#3
Christos K Argus, James R Broatch, Aaron C Petersen, Remco Polman, David J Bishop, Shona Halson
PURPOSE: An athlete's ability to recover quickly is important when there is limited time between training and competition. As such, recovery strategies are commonly used to expedite the recovery process. The purpose of this study was to determine the effectiveness of both cold water immersion (CWI) and contrast water therapy (CWT) compared to control on short-term recovery (<4h) following a single full-body resistance training session. METHODS: Thirteen males (age, 26 ± 5 years; weight, 79 ± 7 kg; height, 177 ± 5 cm) were assessed for perceptual (fatigue and soreness) and performance measures (maximal voluntary isometric contraction (MVC) of the knee extensors, weighted and unweighted countermovement jumps) prior to and immediately following the training session...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27913559/physical-activity-as-intervention-for-age-related-loss-of-muscle-mass-and-function-protocol-for-a-randomised-controlled-trial-the-lisa-study
#4
Christian Skou Eriksen, Ellen Garde, Nina Linde Reislev, Cathrine Lawaetz Wimmelmann, Theresa Bieler, Andreas Kraag Ziegler, Anne Theil Gylling, Kasper Juel Dideriksen, Hartwig Roman Siebner, Erik Lykke Mortensen, Michael Kjaer
INTRODUCTION: Physical and cognitive function decline with age, accelerating during the 6th decade. Loss of muscle power (force×velocity product) is a dominant physical determinant for loss of functional ability, especially if the lower extremities are affected. Muscle strength training is known to maintain or even improve muscle power as well as physical function in older adults, but the optimal type of training for beneficial long-term training effects over several years is unknown...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27912940/panax-ginseng-and-salvia-miltiorrhiza-supplementation-during-eccentric-resistance-training-in-middle-aged-and-older-adults-a-double-blind-randomized-control-trial
#5
Hsin-Fu Lin, Chun-Chung Chou, Hsiao-Han Chao, Hirofumi Tanaka
BACKGROUND: Muscle damage induced by an acute bout of eccentric exercise results in transient arterial stiffening. In this study, we sought to determine the effects of progressive eccentric resistance exercise training on vascular functions, and whether herb supplementation would enhance training adaptation by ameliorating the arterial stiffening effects. METHODS: By using a double-blinded randomized placebo-controlled design, older adults were randomly assigned to either the Panax ginseng and Salvia miltiorrhiza supplementation group (N=12) or the placebo group (N=11)...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27911298/a-24-week-multi-modality-exercise-program-improves-executive-control-in%C3%A2-older-adults-with-a-self-reported-cognitive-complaint-evidence-from%C3%A2-the%C3%A2-antisaccade-task
#6
Matthew Heath, Erin Shellington, Sam Titheridge, Dawn P Gill, Robert J Petrella
Exercise programs involving aerobic and resistance training (i.e., multiple-modality) have shown promise in improving cognition and executive control in older adults at risk, or experiencing, cognitive decline. It is, however, unclear whether cognitive training within a multiple-modality program elicits an additive benefit to executive/cognitive processes. This is an important question to resolve in order to identify optimal training programs that delay, or ameliorate, executive deficits in persons at risk for further cognitive decline...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27904240/effectiveness-of-exercise-on-functional-mobility-in-adults-with-cerebral-palsy-a-systematic-review
#7
Hillary Lawrence, Sara Hills, Nicole Kline, Kyra Weems, Antonette Doty
Purpose: We identified evidence evaluating the effect of exercise on functional mobility in adults (aged 18 y or older) with cerebral palsy (CP). Method: An exhaustive search was conducted using the electronic databases PubMed, MEDLINE, CINAHL, PsycINFO, SPORTDiscus, and Cochrane Database of Systematic Reviews from the earliest available evidence (1975) to the present (January 2016) for studies whose participants were ambulatory adults with CP receiving conservative treatment to address functional mobility limitations...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27903048/resistance-exercise-induced-rhabdomyolysis-need-for-immediate-intervention-and-proper-counselling
#8
Maysaa A Khalil, Basem R Saab
BACKGROUND: Rhabdomyolysis results from damage to skeletal muscle. Improper resistance training may result in rhabdomyolysis, which can cause acute kidney injury, serious metabolic abnormalities, compartmental syndrome and even death. Proper counselling for athletes may prevent this condition. OBJECTIVE: We present two patients with unilateral swelling after resistance exercise. The workup revealed rhabdomyolysis. We highlight the importance of counselling to prevent rhabdomyolysis secondary to resistance exercise...
December 2016: Australian Family Physician
https://www.readbyqxmd.com/read/27898743/the-effects-of-either-a-mirror-internal-or-external-focus-instructions-on-single-and-multi-joint-tasks
#9
Israel Halperin, Steven Hughes, Derek Panchuk, Chris Abbiss, Dale W Chapman
Training in front of mirrors is common, yet little is known about how the use of mirrors effects muscle force production. Accordingly, we investigated how performing in front of a mirror influences performance in single and multi-joint tasks, and compared the mirror condition to the established performance effects of internal focus (IF) and external focus (EF) instructions in a two part experiment. In the single-joint experiment 28 resistance-trained participants (14 males and 14 females) completed two elbow flexion maximal voluntary isometric contractions under four conditions: mirror, IF, EF and neutral instructions...
2016: PloS One
https://www.readbyqxmd.com/read/27895593/baseline-muscle-mass-is-a-poor-predictor-of-functional-overload-induced-gain-in-the-mouse-model
#10
Audrius Kilikevicius, Lutz Bunger, Arimantas Lionikas
Genetic background contributes substantially to individual variability in muscle mass. Muscle hypertrophy in response to resistance training can also vary extensively. However, it is less clear if muscle mass at baseline is predictive of the hypertrophic response. The aim of this study was to examine the effect of genetic background on variability in muscle mass at baseline and in the adaptive response of the mouse fast- and slow-twitch muscles to overload. Males of eight laboratory mouse strains: C57BL/6J (B6, n = 17), BALB/cByJ (n = 7), DBA/2J (D2, n = 12), B6...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27893563/resistance-training-improves-muscle-function-and-cardiometabolic-risks-but-not-quality-of-life-in-older-people-with-type-2-diabetes-mellitus-a-randomized-controlled-trial
#11
Ping-Lun Hsieh, Chin-Hsiao Tseng, Yufeng Jane Tseng, Wei-Shiung Yang
BACKGROUND AND PURPOSE: In older people with type 2 diabetes mellitus (T2DM), the effects of aging and T2DM may compromise the function of skeletal muscle, deteriorate metabolic status, and jeopardize physical performance, aerobic capacity, and quality of life (QoL). The purpose of this study was to investigate the effects of 12 weeks of resistance training (RT) on muscle function, physical performance, cardiometabolic risks, and QoL in older people with T2DM. METHODS: This study was a randomized controlled trial that employed block randomization, assessor blinding, and the intention-to-treat principle...
November 23, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27893481/the-effect-of-exercise-induced-muscle-damage-after-a-bout-of-accentuated-eccentric-load-drop-jumps-and-the-repeated-bout-effect
#12
Lee A Bridgeman, Nicholas D Gill, Deborah K Dulson, Michael R McGuigan
Although previous studies have investigated exercise induced muscle damage (EIMD) after a bout of unloaded drop jumps (DJ) none have investigated the effects of accentuated eccentric load (AEL) DJs on EIMD. The purpose of this study was to investigate the effects of 30 and 50 AEL DJs on strength, jump performance, muscle soreness and blood markers. Eight resistance trained athletes participated in this study. In week 1 baseline countermovement jump (CMJ), squat jump (SJ), concentric and eccentric peak force (PF), creatine kinase (CK) and muscle soreness (SOR) were assessed...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27893480/high-speed-resistance-training-modifies-load-velocity-and-load-power-relationships-in-parkinson-s-disease
#13
Meng Ni, Joseph F Signorile
Muscle power is a major neuromuscular factor affecting motor function and independence in patients with Parkinson's disease; and it is commonly targeted using high-speed exercise. This study examined the changes in velocities (Vpp) and percent loads (%1RMpp) at peak power, as well as load-velocity (L-V) and load-power (L-P) relationships, resulting from resistance training due to exercise choice and loading in older Parkinson's patients. Fourteen older adults with mild to moderate Parkinson's disease participated in a 12-week randomized controlled power training trial...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27893478/loads-and-movement-speeds-dictate-differences-in-power-output-during-circuit-training
#14
Kirk B Roberson, Sean Chowdhari, Morgan White, Joseph F Signorile
Power training has become a common exercise intervention for improving muscle strength, power, and physical function, while reducing injury risk. Few studies, however, have evaluated acute load changes on power output during traditional resistance-training protocols. Therefore, the aim of this study was to quantify the effects of different loading patterns on power output during a single session of circuit resistance training (CRT). Nine males (age=19.4±0.9 y) and eleven females (age=20.6±1.6 y) completed three CRT protocols during separate testing sessions using seven pneumatic exercises...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27891737/role-of-resistance-physical-exercise-in-preventing-testicular-damage-caused-by-chronic-ethanol-consumption-in-uchb-rats
#15
Gessica Dutra Gonçalves, Nichelle Antunes Vieira, Henrique Rodrigues Vieira, Aline Dias Valério, Gláucia Elóisa Munhoz de Lion Siervo, Patricia Fernanda Felipe Pinheiro, Francisco Eduardo Martinez, Flávia Alessandra Guarnier, Giovana Rampazzo Teixeira, Glaura Scantamburlo Alves Fernandes
Ethanol consumption is associated with spermatogenesis damage and testosterone level alterations. Alcohol remains the most commonly used substance among athletes and sports enthusiasts. This study evaluated whether resistance physical exercise can reduce the testicular damage caused by ethanol exposure. A total of 36 ethanol drinking (UChB) rats were divided into four groups: C (control rats), ETOH (ethanol consumption), ETOH + T (ethanol consumption + physical training), and T (group physical training)...
November 28, 2016: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27890588/aerobic-and-resistance-exercise-reinforcement-and-discomfort-tolerance-predict-meeting-activity-guidelines
#16
Kyle D Flack, LuAnn Johnson, James N Roemmich
BACKGROUND: Understanding individual-differences of those people who do and do not meet physical activity recommendations could inform targets for increasing physical activity. Exercise reinforcement may be one such individual-level determinate, but it is not yet known whether those who meet activity guidelines have a greater relative reinforcing value (RRV) of aerobic exercise training (RRVAT) or resistance training (RRVRT). The predictors of RRVAT or RRVRT are also not yet known. PURPOSE: To determine whether individuals who meet aerobic activity or muscle strengthening activity guidelines have greater RRVAT or RRVRT and whether the preference and tolerance for exercise intensity predicts RRVAT or RRVRT...
November 24, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27883209/tongue-to-palate-resistance-training-improves-tongue-strength-and-oropharyngeal-swallowing-function-in-subacute-stroke-survivors-withdysphagia
#17
H D Kim, J B Choi, S J Yoo, M Y Chang, S W Lee, J S Park
Tongue function can affect both the oral and pharyngeal stages of the swallowing process, and proper tongue strength are vital for safe oropharyngeal swallowing. This trial investigated the effect of tongue to palate resistance training (TPRT) on tongue strength and oropharyngeal swallowing function in stroke with dysphagia patients. This trial was performed using a 4-week, 2-group, pre-post design. Participants were allocated to the experimental group (n=18) or the control group (n=17). The experimental group was performed TPRT for 4 wks/, 5 day/wk) and traditional dysphagia therapy, whereas the control group performed traditional dysphagia therapy on the same schedule...
November 24, 2016: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/27882012/individualized-supervised-resistance-training-during-nebulization-in-adults-with-cystic-fibrosis
#18
Ina Shaw, Janine E Kinsey, Roxanne Richards, Brandon S Shaw
BACKGROUND & OBJECTIVE: Since dyspnea limits exercise adherence and intensity in cystic fibrosis (CF) patients, engaging in resistance training (RT), which causes less dyspnea than other exercise modalities, while using nebulizers could not only overcome this barrier, but also enhance long-term adaptations to treatment. The objective of this study was to examine the effects of RT during nebulization on spirometry, anthropometry, chest wall excursion, respiratory muscle strength and health-related quality of life (HRQOL)...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27881086/lower-extremity-resistance-training-on-unstable-surfaces-improves-proxies-of-muscle-strength-power-and-balance-in-healthy-older-adults-a-randomised-control-trial
#19
Nils Eckardt
BACKGROUND: It is well documented that both balance and resistance training have the potential to mitigate intrinsic fall risk factors in older adults. However, knowledge about the effects of simultaneously executed balance and resistance training (i.e., resistance training conducted on unstable surfaces [URT]) on lower-extremity muscle strength, power and balance in older adults is insufficient. The objective of the present study was to compare the effects of machine-based stable resistance training (M-SRT) and two types of URT, i...
November 24, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27880816/paradoxical-sleep-deprivation-causes-cardiac-dysfunction-and-the-impairment-is-attenuated-by-resistance-training
#20
Sara Quaglia de Campos Giampá, Marcos Mônico-Neto, Marco Tulio de Mello, Helton de Sá Souza, Sergio Tufik, Kil Sun Lee, Marcia Kiyomi Koike, Alexandra Alberta Dos Santos, Ednei Luiz Antonio, Andrey Jorge Serra, Paulo José Ferreira Tucci, Hanna Karen Moreira Antunes
BACKGROUND: Paradoxical sleep deprivation activates the sympathetic nervous system and the hypothalamus-pituitary-adrenal axis, subsequently interfering with the cardiovascular system. The beneficial effects of resistance training are related to hemodynamic, metabolic and hormonal homeostasis. We hypothesized that resistance training can prevent the cardiac remodeling and dysfunction caused by paradoxical sleep deprivation. METHODS: Male Wistar rats were distributed into four groups: control (C), resistance training (RT), paradoxical sleep deprivation for 96 hours (PSD96) and both resistance training and sleep deprivation (RT/PSD96)...
2016: PloS One
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