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https://www.readbyqxmd.com/read/29769816/the-effect-of-two-different-concurrent-training-programs-on-strength-and-power-gains-in-highly-trained-individuals
#1
Henrik Petré, Pontus Löfving, Niklas Psilander
The effects of concurrent strength and endurance training have been well studied in untrained and moderately-trained individuals. However, studies examining these effects in individuals with a long history of resistance training (RT) are lacking. Additionally, few studies have examined how strength and power are affected when different types of endurance training are added to an RT protocol. The purpose of the present study was to compare the effects of concurrent training incorporating either low-volume, high-intensity interval training (HIIT, 8-24 Tabata intervals at ~150% of VO2max ) or high-volume, medium-intensity continuous endurance training (CT, 40-80 min at 70% of VO2max ), on the strength and power of highly-trained individuals...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29768643/effects-of-resistance-training-and-combined-training-program-on-repeated-sprint-ability-in-futsal-players
#2
Julio Torres-Torrelo, David Rodríguez-Rosell, Ricardo Mora-Custodio, Fernando Pareja-Blanco, Juan Manuel Yañez-García, Juan José González-Badillo
The purpose of this study was to compare the effects of 6 weeks resistance training (RT) with combined RT and loaded change of direction (CD) exercise on muscle strength and repeated sprint ability (RSA) in futsal players. Thirty-four players (age: 23.7±4.1 years; height: 1.77±0.06 m; body mass: 74.1±8.2 kg) were randomly assigned into three groups: full squat group (SG, n=12), combined full squat and CD group (S+CDG, n=12), and control group (CG, n=10). The RT for SG consisted of full squat with low-load (~45-60% 1RM) and low-volume (2-3 sets and 4-6 repetitions), whereas the S+CDG performed the same RT program combined with loaded CD (2-5 sets of 10 s)...
May 16, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29742745/validity-and-reliability-of-a-wearable-inertial-sensor-to-measure-velocity-and-power-in-the-back-squat-and-bench-press
#3
Samuel T Orange, James W Metcalfe, Andreas Liefeith, Phil Marshall, Leigh A Madden, Connor R Fewster, Rebecca V Vince
Orange, ST, Metcalfe, JW, Liefeith, A, Marshall, P, Madden, LA, Fewster, CR, and Vince, RV. Validity and reliability of a wearable inertial sensor to measure velocity and power in the back squat and bench press. J Strength Cond Res XX(X): 000-000, 2018-This study examined the validity and reliability of a wearable inertial sensor to measure velocity and power in the free-weight back squat and bench press. Twenty-nine youth rugby league players (18 ± 1 years) completed 2 test-retest sessions for the back squat followed by 2 test-retest sessions for the bench press...
May 8, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29726740/self-selected-training-load-and-rpe-during-resistance-and-aerobic-training-among-recreational-exercisers
#4
Marcelo R C Dias, Roberto Simão, Francisco J F Saavedra, Cosme F Buzzachera, Steve Fleck
This study compared training load and ratings of perceived exertion (RPE) during resistance training (RT) and aerobic training (AT) sessions at self-selected intensity. Participants were 54 recreationally trained subjects assigned to either RT or AT groups. During RT, participants performed three sets of 10 repetitions of each exercise at a self-selected intensity (load). After RT completion, participants performed one repetition maximum (1RM) and 10RM tests. During AT, participants performed a treadmill exercise at a self-selected intensity and duration (velocity and time)...
January 1, 2018: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29725755/moderately-heavy-exercise-produces-lower-cardiovascular-rpe-and-discomfort-compared-to-lower-load-exercise-with-and-without-blood-flow-restriction
#5
Zachary W Bell, Samuel L Buckner, Matthew B Jessee, J Grant Mouser, Kevin T Mattocks, Scott J Dankel, Takashi Abe, Jeremy P Loenneke
PURPOSE: To determine the acute cardiovascular and perceptual responses of low-load exercise with or without blood flow restriction and compare those responses to that of moderately heavy exercise. METHODS: Twenty-two participants completed unilateral elbow flexion exercise with a moderately heavy-load- [70% one-repetition maximum (1RM); 70/0] and with three low-load conditions (15% 1RM) in combination with 0% (15/0), 40%, (15/40) and 80% (15/80) arterial occlusion pressure...
May 3, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29713250/effects-of-%C3%AE-alanine-supplementation-during-a-5-week-strength-training-program-a-randomized-controlled-study
#6
José Luis Maté-Muñoz, Juan H Lougedo, Manuel V Garnacho-Castaño, Pablo Veiga-Herreros, María Del Carmen Lozano-Estevan, Pablo García-Fernández, Fernando de Jesús, Jesús Guodemar-Pérez, Alejandro F San Juan, Raúl Domínguez
Background: β-Alanine (BA) is a non-essential amino acid that has been shown to enhance exercise performance. The purpose of this investigation was to determine if BA supplementation improved the adaptive response to five weeks of a resistance training program. Methods: Thirty healthy, strength-trained individuals were randomly assigned to the experimental groups placebo (PLA) or BA. Over 5 weeks of strength training, subjects in BA took 6.4 g/day of BA as 8 × 800 mg doses each at least 1...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29702517/assessing-repeated-sprint-ability-in-division-i-collegiate-women-soccer-players
#7
Robert G Lockie, Tricia M Liu, Alyssa A Stage, Adrina Lazar, Dominic V Giuliano, Jillian M Hurley, Ibett A Torne, Megan D Beiley, Samantha A Birmingham-Babauta, John J Stokes, Fabrice G Risso, DeShaun L Davis, Matthew R Moreno, Ashley J Orjalo
Lockie, RG, Liu, TM, Stage, AA, Lazar, A, Giuliano, DV, Hurley, JM, Torne, IA, Beiley, MD, Birmingham-Babauta, SA, Stokes, JJ, Risso, FG, Davis, DL, Moreno, MR, and Orjalo, AJ. Assessing repeated-sprint ability in Division I collegiate women soccer players. J Strength Cond Res XX(X): 000-000, 2018-Repeated-sprint ability (RSA) is a key component of soccer, and is the capacity to repeatedly produce near-maximal to maximal sprints with short recovery periods. Repeated-sprint ability has received little analysis in collegiate women soccer players...
April 26, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29698111/arachidonic-acid-supplementation-transiently-augments-the-acute-inflammatory-response-to-resistance-exercise-in-trained-men
#8
James F Markworth, Randall F D'Souza, Kirsten M M Aasen, Sarah M Mitchell, Brenan R Durainayagam, Andrew J Sinclair, Jonathan M Peake, Ingrid Marie Egner, Truls Raastad, David Cameron-Smith, Cameron J Mitchell
Strenuous exercise can result in skeletal muscle damage, leading to the systemic mobilization, activation and intramuscular accumulation of blood leukocytes. Eicosanoid metabolites of arachidonic acid (ARA) are potent inflammatory mediators, but whether changes in dietary ARA intake influence exercise-induced inflammation is not known. This study investigated the effect of 4 weeks of dietary supplementation with 1.5 g/day ARA (n=9, 24 {plus minus} 1.5 years) or corn-soy oil placebo (n=10, 26 {plus minus} 1...
April 26, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29688093/impact-of-accommodating-resistance-in-potentiating-horizontal-jump-performance-in-professional-rugby-league-players
#9
Alasdair Strokosch, Loic Louit, Laurent Seitz, Richard Clarke, Jonathan D Hughes
This study investigated the efficacy of deadlifts and box squats, with a combination of traditional and accommodating resistance, as a potentiating (PAP) stimulus of standing broad jumps (SBJ) in a multiple set contrast protocol. Twelve professional rugby league players (21.4 ± 2.5yrs; 181.3 ± 8.3cm, 91.9 ± 8.8kg; 1RM back squat/BM 1.59 ± 0.21; 1RM deadlift/BM 2.11 ± 0.25; ≥3 years resistance training experience) performed baseline SBJ before a contrast PAP protocol involving 2 repetitions of 85% 1RM box squat or deadlifts, loaded with a combination of traditional barbell weight (70% 1RM) and elastic band resistance (~15% 1RM), followed by two SBJs...
April 24, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29683914/different-patterns-in-muscular-strength-and-hypertrophy-adaptations-in-untrained-individuals-undergoing-nonperiodized-and-periodized-strength-regimens
#10
Eduardo O De Souza, Valmor Tricoli, Jacob Rauch, Michael R Alvarez, Gilberto Laurentino, André Y Aihara, Fabiano N Cardoso, Hamilton Roschel, Carlos Ugrinowitsch
De Souza, EO, Tricoli, V, Rauch, J, Alvarez, MR, Laurentino, G, Aihara, AY, Cardoso, FN, Roschel, H, and Ugrinowitsch, C. Different patterns in muscular strength and hypertrophy adaptations in untrained individuals undergoing non-periodized and periodized strength regimens. J Strength Cond Res 32(5): 1238-1244, 2018-This study investigated the effects of nonperiodized (NP), traditional periodization (TP), and daily undulating periodization (UP) regimens on muscle strength and hypertrophy in untrained individuals...
May 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29661446/multivisceral-transplantation-rehabilitation-program-case-report
#11
T M Loschi, M P R G Cinacchi, M D T A Baccan, F Marques, P T Pedroso, S P Meira Filho, T Scacchetti, D N Pavão
Multivisceral transplantation is the treatment for multiple abdominal organ failure. The patient experiences reduced food intake and absorption of nutrients, contributing to weight loss and decreased muscle mass, reducing functional capacity. A physical and nutritional rehabilitation program based on adequate caloric intake associated with supervised physical exercise seems to support a gain of muscle mass, re-establishing its capacity and functional independence. A rehabilitation program was carried out, consisting of low-intensity aerobic exercise on treadmill, exercises of global strengthening (50% of 1 maximum repetition [1RM], with progressive increase), and nutritional monitoring (oral hypercaloric diet, hyperproteic supplementation daily and after exercise)...
April 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29628895/rpe-vs-percentage-1rm-loading-in-periodized-programs-matched-for-sets-and-repetitions
#12
Eric R Helms, Ryan K Byrnes, Daniel M Cooke, Michael H Haischer, Joseph P Carzoli, Trevor K Johnson, Matthew R Cross, John B Cronin, Adam G Storey, Michael C Zourdos
Purpose: To investigate differences between rating of perceived exertion (RPE) and percentage one-repetition maximum (1RM) load assignment in resistance-trained males (19-35 years) performing protocols with matched sets and repetitions differentiated by load-assignment. Methods: Participants performed squats then bench press 3x/weeks in a daily undulating format over 8-weeks. Participants were counterbalanced by pre-test 1RM then assigned to percentage 1RM (1RMG, n = 11); load-assignment via percentage 1RMs, or RPE groups (RPEG, n = 10); participant-selected loads to reach target RPE ranges...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29623049/specific-changes-in-young-soccer-player-s-fitness-after-traditional-bilateral-vs-unilateral-combined-strength-and-plyometric-training
#13
Rodrigo Ramirez-Campillo, Javier Sanchez-Sanchez, Oliver Gonzalo-Skok, Alejandro Rodríguez-Fernandez, Manuel Carretero, Fabio Y Nakamura
The aim of this study was to compare changes in young soccer player's fitness after traditional bilateral vs. unilateral combined plyometric and strength training. Male athletes were randomly divided in two groups; both received the same training, including strength training for knee extensors and flexors, in addition to horizontal plyometric training drills. The only difference between groups was the mode of drills technique: unilateral (UG; n = 9; age, 17.3 ± 1.1 years) vs. bilateral (TG; n = 9; age, 17...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29621113/a-repeated-power-training-enhances-fatigue-resistance-while-reducing-intraset-fluctuations
#14
Oliver Gonzalo-Skok, Julio Tous-Fajardo, Gerard Moras, José Luis Arjol-Serrano, Alberto Mendez-Villanueva
Oliver, GS, Julio, TF, Moras, G, José Luis, AS, and Alberto, MV. A repeated power training enhances fatigue resistance while reducing intraset fluctuations. J Strength Cond Res XX(X): 000-000, 2018-The present study analyzed the effects of adding an upper-body repeated power ability (RPA) training to habitual strength training sessions. Twenty young elite male basketball players were randomly allocated into a control group (CON, n = 10) or repeated power group (RPG, n = 10) and evaluated by 1 repetition maximum (1RM), incremental load, and RPA tests in the bench press exercise before and after a 7-week period and a 4-week cessation period...
April 4, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29599871/effects-of-different-post-activation-potentiation-warm-ups-on-repeated-sprint-ability-in-soccer-players-from-different-competitive-levels
#15
Javier Sanchez-Sanchez, Alejandro Rodriguez, Cristina Petisco, Rodrigo Ramirez-Campillo, Cristian Martínez, Fábio Y Nakamura
This study aimed to compare the effects of a traditional warm-up with two post-activation potentiation (PAP) warm-up strategies on the repeated sprint ability (RSA) of soccer players from national (NL) and regional (RL) competitive levels. Sixteen young players (NL, n = 8, age = 20.7 ± 1.4 y, body mass = 68.5 ± 7.0 kg, body height = 177.4 ± 5.2 cm; RL, n = 8, age = 20.8 ± 1.0 y, body mass = 68.7 ± 4.0 kg, body height = 176.6 ± 5.6 cm) were recruited to complete a traditional warm-up (CONTROL), a PAP warm-up incorporating squats with a load (~60% 1RM) that allowed a high speed (1 m/s) of movement and a high number of repetitions (PAP-1), and a PAP warm-up with a load (~90% 1RM) that allowed a moderate speed (0...
March 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29595081/hip-thrust-based-pap-effects-on-sprint-performance-of-soccer-players-heavy-loaded-versus-optimum-power-development-protocols
#16
Antonio Dello Iacono, Laurent B Seitz
This study aimed to investigate the acute effects of two barbell hip thrust-based post-activation potentiation (PAP) protocols on subsequent sprint performance. Using a crossover design, eighteen soccer athletes performed 5 m, 10 m, and 20 m sprints before and 15 s, 4 min, and 8 min after two PAP protocols. The PAP conditioning activities consisted of hip thrust exercises loaded with either 85% 1RM or a load for optimum power development. The resulting 5 m and 10 m sprint performances were impaired at 15 s following both protocols...
March 29, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29590537/assessing-the-mechanistic-target-of-rapamycin-complex-1-pathway-in-response-to-resistance-exercise-and-feeding-in-human-skeletal-muscle-by-multiplex-assay
#17
Chris McGlory, Everson A Nunes, Sara Y Oikawa, Evangelia Evelyn Tsakiridis, Stuart M Phillips
BACKGROUND: The mechanistic target of rapamycin complex-1 (mTORC-1) is a key nutrient and contraction-sensitive protein that regulates a pathway leading to skeletal muscle growth. Utilizing a multiplex assay, we aimed to examine the phosphorylation status of key mTORC-1-related signalling molecules in response to protein feeding and resistance exercise. METHODS: Eight healthy men (22.5 ± 3.1 yr, 80 ± 9 kg, 1-repetition maximum [1RM] leg extension: 87 ± 5 kg) performed 4 sets of unilateral leg extensions until volitional failure...
March 28, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29589111/effects-of-resistance-training-on-mri-derived-epicardial-fat-volume-and-arterial-stiffness-in-women-with-obesity-a-randomized-pilot-study
#18
Maria Fernandez-Del-Valle, Joaquin U Gonzales, Shelby Kloiber, Sunanda Mitra, Jon Klingensmith, Eneko Larumbe-Zabala
AIM: To date, few studies have analyzed the effects of exercise on cardiac adipose tissue. Overall, exercise programs did not meet the recommendations for significant weight loss, the utilization of resistance training was minimal, and the conclusions derived from these studies have diminished exercise as a strategy for cardiac fat loss. PURPOSE: The objective of this pilot study was to analyze the effects of 3-week high-intensity, moderate-volume muscular endurance resistance training (RT) on cardiac fat and arterial stiffness...
March 27, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29577974/repetitions-to-failure-versus-not-to-failure-during-concurrent-training-in-healthy-elderly-men-a-randomized-clinical-trial
#19
Larissa Xavier Neves da Silva, Juliana Lopes Teodoro, Erik Menger, Pedro Lopez, Rafael Grazioli, Juliano Farinha, Kelly Moraes, Martim Bottaro, Ronei Silveira Pinto, Mikel Izquierdo, Eduardo Lusa Cadore
This randomized clinical trial compared the neuromuscular adaptations induced by concurrent training (CT) performed with repetitions to concentric failure and not to failure in elderly men. Fifty-two individuals (66.2 ± 5.2 years) completed the pre- and post-measurements and were divided into three groups: repetitions to failure (RFG, n = 17); repetitions not to failure (NFG, n = 20); and repetitions not to failure with total volume equalized to RFG (ENFG, n = 15). Participants were assessed in isometric knee extension peak torque (PTiso ), maximal strength (1RM) in the leg press (LP) and knee extension (KE) exercises, quadriceps femoris muscle thickness (QF MT), specific tension, rate of torque development (RTD) at 50, 100 and 250 ms, countermovement jump (CMJ) and squat jump (SJ) performance, as well as maximal neuromuscular activity (EMGmax ) of the vastus lateralis (VL) and rectus femoris (RF) muscles...
March 22, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29570597/maximum-dynamic-lower-limb-strength-was-maintained-during-24-week-reduced-training-frequency-in-previously-sedentary-older-women
#20
Simon Walker, Javier Serrano, Evelien Van Roie
Walker, S, Serrano, J, and Van Roie, E. Maximum dynamic lower-limb strength was maintained during 24-week reduced training frequency in previously sedentary older women. J Strength Cond Res 32(4): 1063-1071, 2018-There is little study into the effects of reducing strength training below the recommended twice weekly frequency, particularly in older women, despite the possibility that individuals will encounter periods of reduced training frequency. The purpose of the present study was to determine the effects of a period of reduced training frequency on maximum strength and muscle mass of the lower limbs in comparison with the recommended training frequency of twice per week...
April 2018: Journal of Strength and Conditioning Research
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