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https://www.readbyqxmd.com/read/29657026/muscular-maximal-strength-indices-and-bone-variables-in-a-group-of-elderly-women
#1
Riad Nasr, Nathalie Al Rassy, Eric Watelain, Joseph Matta, Fabienne Frenn, Maroun Rizkallah, Ghassan Maalouf, César El Khoury, Abdel-Jalil Berro, Rawad El Hage
The aim of the present study was to explore the relations between muscular maximal strength indices and bone parameters (bone mineral density [BMD], hip geometry indices, and trabecular bone score [TBS]) in a group of elderly women. This study included 35 healthy elderly women whose ages range between 65 and 75 yr (68.1 ± 3.1 yr). BMD (in gram per square centimeter) was determined for each individual by dual-energy X-ray absorptiometry at the whole body, lumbar spine (L1-L4), total hip (TH), and femoral neck (FN)...
March 22, 2018: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/29644889/comparing-exercise-responses-to-aerobic-plus-resistance-training-between-postmenopausal-breast-cancer-survivors-undergoing-aromatase-inhibitor-therapy-and-healthy-women
#2
Thais R S de Paulo, Kerri M Winters-Stone, Juliana Viezel, Fabricio E Rossi, Bruna L Aro, Ana Carolina A C Trindade, Jamile S Codogno, Ismael F Freitas Junior
BACKGROUND: The aim of this study was to explore whether postmenopausal breast cancer survivors undergoing aromatase inhibitor therapy differ from healthy postmenopausal women in their response to the same aerobic + resistance training. METHODS: The participants were separated into two groups: postmenopausal breast cancer survivors undergoing aromatase inhibitor therapy for an average of 20 months (18 women) and healthy postmenopausal women (24 women). We assessed aerobic capacity (predicted maximum oxygen uptake (VO2 max) and maximum running velocity test (Vmax)) through a walking test, upper and lower body muscle strength using an estimated one-repetition maximum test, and body composition by dual-energy X-ray absorptiometry at baseline and at three, six, and nine months, respectively...
April 12, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29628895/rpe-vs-percentage-1rm-loading-in-periodized-programs-matched-for-sets-and-repetitions
#3
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/29621113/a-repeated-power-training-enhances-fatigue-resistance-while-reducing-intraset-fluctuations
#4
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/29618526/opportunities-and-obstacles-for-deep-learning-in-biology-and-medicine
#5
REVIEW
Travers Ching, Daniel S Himmelstein, Brett K Beaulieu-Jones, Alexandr A Kalinin, Brian T Do, Gregory P Way, Enrico Ferrero, Paul-Michael Agapow, Michael Zietz, Michael M Hoffman, Wei Xie, Gail L Rosen, Benjamin J Lengerich, Johnny Israeli, Jack Lanchantin, Stephen Woloszynek, Anne E Carpenter, Avanti Shrikumar, Jinbo Xu, Evan M Cofer, Christopher A Lavender, Srinivas C Turaga, Amr M Alexandari, Zhiyong Lu, David J Harris, Dave DeCaprio, Yanjun Qi, Anshul Kundaje, Yifan Peng, Laura K Wiley, Marwin H S Segler, Simina M Boca, S Joshua Swamidass, Austin Huang, Anthony Gitter, Casey S Greene
Deep learning describes a class of machine learning algorithms that are capable of combining raw inputs into layers of intermediate features. These algorithms have recently shown impressive results across a variety of domains. Biology and medicine are data-rich disciplines, but the data are complex and often ill-understood. Hence, deep learning techniques may be particularly well suited to solve problems of these fields. We examine applications of deep learning to a variety of biomedical problems-patient classification, fundamental biological processes and treatment of patients-and discuss whether deep learning will be able to transform these tasks or if the biomedical sphere poses unique challenges...
April 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29608414/bigger-stronger-faster-fitter-the-differences-in-physical-qualities-of-school-and-academy-rugby-union-players
#6
Ben Jones, Dan Weaving, Jason Tee, Joshua Darrall-Jones, Jonathon Weakley, Padraic Phibbs, Dale Read, Gregory Roe, Sharief Hendricks, Kevin Till
Limited research has compared the physical qualities of adolescent rugby union (RU) players across differing playing standards. This study therefore compared the physical qualities of academy and school Under-18 RU players. One-hundred and eighty-four (professional regional academy, n = 55 school, n = 129) male RU players underwent a physical testing battery to quantify height, body mass, strength (bench press and pull-up), speed (10, 20 and 40 m), 10 m momentum (calculated; 10 m velocity * body mass) and a proxy measure of aerobic fitness (Yo-Yo Intermittent Recovery Test Level 1; IRTL1)...
April 2, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29590086/presence-of-spotters-improves-bench-press-performance-a-deception-study
#7
Andrew Sheridan, David C Marchant, Emily L Williams, Hollie S Jones, Phil A Hewitt, S Andy Sparks
Sheridan, A, Marchant, DC, Williams, EL, Jones, HS, Hewitt, PA, and Sparks, SA. Presence of spotters improves bench press performance: a deception study. J Strength Cond Res XX(X): 000-000, 2017-Resistance exercise is a widely used method of physical training in both recreational exercise and athletic populations. The use of training partners and spotters during resistance exercise is widespread, but little is known about the effect of the presence of these individuals on exercise performance. The purpose of the current study was to investigate the effect of spotter presence on bench press performance...
October 24, 2017: Journal of Strength and Conditioning Research
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
#8
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/29580134/low-and-high-volume-water-based-resistance-training-induces-similar-strength-and-functional-capacity-improvements-in-older-women-a-randomized-study
#9
Thaís Reichert, Rodrigo Sudatti Delevatti, Alexandre Konig Garcia Prado, Natália Carvalho Bagatini, Nicole Monticelli Simmer, Andressa Pellegrini Meinerz, Bruna Machado Barroso, Rochelle Rocha Costa, Ana Carolina Kanitz, Luiz Fernando Martins Kruel
BACKGROUND: Water-based resistance training (WRT) has been indicated to promote strength gains in elderly population. However, no study has compared different training strategies to identify the most efficient one. The aim of this study was to compare the effects of 3 WRT strategies on the strength and functional capacity of older women. METHODS: In total, 36 women were randomly allocated to training groups: simple set of 30 seconds [1 × 30s; 66.41 (1.36) y; n = 12], multiple sets of 10 seconds [3 × 10s; 66...
March 27, 2018: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/29561384/the-efficacy-of-an-8-week-concurrent-strength-and-endurance-training-programme-on-hand-cycling-performance
#10
Jonpaul Nevin, Mark Waldron, Stephen Patterson, Paul Smith, Mike Price, Alex Hunt
The aim of the present study was to investigate the effects of an 8-week concurrent strength and endurance training programme in comparison to endurance training only on several key determinants of hand cycling performance. Five H4 and five H3 classified hand cyclists with at least one year's hand cycling training history consented to participate in the study. Subjects underwent a battery of tests to establish body mass, body composition, VO2peak, maximum aerobic power, gross mechanical efficiency, maximal upper body strength, and 30 km time trial performance...
March 20, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29558855/the-load-velocity-profile-differs-more-between-men-and-women-than-between-individuals-with-different-strength-levels
#11
Alejandro Torrejón, Carlos Balsalobre-Fernández, G Gregory Haff, Amador García-Ramos
This study aimed to determine the suitability of the load-velocity relationship to prescribe the relative load (%1RM) in women, as well as to compare the load-velocity profile between sexes and participants with different strength levels. The load-velocity relationship of 14 men (1RM: 1.17 ± 0.19) and 14 women (1RM: 0.66 ± 0.13) were evaluated in the bench press exercise. The main findings revealed that: (I) the load-velocity relationship was always strong and linear (R2 range: 0.987-0.993), (II) a steeper load-velocity profile was observed in men compared to women (Effect size [ES]: 1...
March 21, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29541130/low-load-bench-press-and-push-up-induce-similar-muscle-hypertrophy-and-strength-gain
#12
Naoki Kikuchi, Koichi Nakazato
Aim: To investigate the effect of push-up training with a similar load of to 40% of 1- repetition maximumal (1RM) bench press on muscle hypertrophy and strength gain in men. Methods: Eighteen male participants (age, 20.2 ± 0.73 years, range: 19-22 years, height: 169.8 ± 4.4 cm, weight: 64.5 ± 4.7 kg) were randomly assigned to one of two experimental groups: bench press at 40%1RM (bench-press group, n = 9) or push-ups with position adjusted (e.g. kneeling) to the same load of bench-press 40%1RM (push-up group, n = 9), performed twice per week for 8 weeks...
June 2017: Journal of Exercise Science and Fitness
https://www.readbyqxmd.com/read/29534456/effects-of-insect-protein-supplementation-during-resistance-training-on-changes-in-muscle-mass-and-strength-in-young-men
#13
Mathias T Vangsoe, Malte S Joergensen, Lars-Henrik L Heckmann, Mette Hansen
During prolonged resistance training, protein supplementation is known to promote morphological changes; however, no previous training studies have tested the effect of insect protein isolate in a human trial. The aim of this study was to investigate the potential effect of insect protein as a dietary supplement to increase muscle hypertrophy and strength gains during prolonged resistance training in young men. Eighteen healthy young men performed resistance training four day/week for eight weeks. Subjects were block randomized into two groups consuming either an insect protein isolate or isocaloric carbohydrate supplementation within 1 h after training and pre-sleep on training days...
March 10, 2018: Nutrients
https://www.readbyqxmd.com/read/29532291/the-effect-of-cyp1a2-genotype-on-the-ergogenic-properties-of-caffeine-during-resistance-exercise-a-randomized-double-blind-placebo-controlled-crossover-study
#14
Rahman Rahimi
AIM: The purpose of this study was to examine the effect of CYP1A2 -163C>A polymorphism on the ergogenic effects of caffeine supplementation during a resistance exercise (RE) session. METHODS: In a randomized, double-blind, placebo (PL)-controlled, crossover study, 30 resistance-trained men took part in two RE sessions (three sets to failure at 85% of one repetition maximum, 2-min rest between sets), including bench press (BP), leg press (LP), seated cable row, and shoulder press (SP) following caffeine (CAF) (6 mg kg-1 ) or PL (6 mg kg-1 of maltodextrin) ingestion 1 h prior to the trial...
March 12, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29528962/effect-of-resistance-training-frequency-on-neuromuscular-performance-and-muscle-morphology-after-eight-weeks-in-trained-men
#15
Felipe Alves Brigatto, Tiago Volpi Braz, Thamires Cristina da Costa Zanini, Moisés Diego Germano, Marcelo Saldanha Aoki, Brad Jon Schoenfeld, Paulo Henrique Marchetti, Charles Ricardo Lopes
The purpose of this study was to investigate the chronic effects of training muscle groups 1 day per week vs. 2 days per week on neuromuscular performance and morphological adaptations in trained men with the number of sets per muscle group equated between conditions. Participants were randomly assigned in 2 experimental groups: 1 session·wk per muscle group (G1, n = 10), where every muscle group was trained once a week with 16 sets or 2 sessions·wk per muscle group (G2, n = 10), where every muscle group was trained twice a week with 8 sets per session...
March 6, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29528954/a-comparison-between-bench-press-throw-and-ballistic-push-up-tests-to-assess-upper-body-power-in-trained-individuals
#16
Sandro Bartolomei, Federico Nigro, Sandro Ruggeri, Ivan Malagoli Lanzoni, Simone Ciacci, Franco Merni, Eliahu Sadres, Jay R Hoffman, Gabriele Semprini
The purpose of the present study was to validate the ballistic push-up test performed with hands on a force plate (BPU) as a method to measure upper-body power. Twenty-eight experienced resistance trained men (age = 25.4 ± 5.2 y; body mass = 78.5 ± 9.0 kg; body height = 179.6 ± 7.8 cm) performed, two days apart, a bench press 1RM test and upper-body power tests. Mean power and peak power were assessed using the bench press throw test (BT) and the BPU test performed in randomized order. The area under the force/power curve (AUC) obtained at BT was also calculated...
March 6, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29489727/high-frequency-resistance-training-is-not-more-effective-than-low-frequency-resistance-training-in-increasing-muscle-mass-and-strength-in-well-trained-men
#17
Gederson K Gomes, Cristiane M Franco, Paulo Ricardo P Nunes, Fábio L Orsatti
We studied the effects of two different weekly frequency resistance training (RT) protocols over eight weeks on muscle strength and muscle hypertrophy in well-trained men. Twenty-three subjects (age: 26.2±4.2 years; RT experience: 6.9±3.1 years) were randomly allocated into the two groups: low frequency (LFRT, n = 12) or high frequency (HFRT, n = 11). The LFRT performed a split-body routine, training each specific muscle group once a week. The HFRT performed a total-body routine, training all muscle groups every session...
February 27, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29485324/protein-supplementation-during-a-6-month-concurrent-training-program-effect-on-body-composition-and-muscular-strength-in-sedentary-individuals
#18
Michael J Ormsbee, Brandon D Willingham, Tasha Marchant, Teresa L Binkley, Bonny L Specker, Matthew D Vukovich
We examined the effect of a protein supplement on muscular strength and body composition during 6 months of a 5d/wk concurrent strength and endurance training program. Sedentary males (n=26) and females (n=25), 18-25yrs, were randomly assigned to receive a protein (PRO, 42g/serving) or carbohydrate (CON) supplement twice daily. Strength and body composition (DXA) were assessed at baseline, 3(3M) and 6(6M) months. Protein intake was higher in PRO [PRO:2.2g/kg; CON:1.1g/kg, P<0.001]. Females in both groups gained similar strength at 3M and 6M in bench press (BP) and hip sled (HS)...
February 27, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29481450/using-perceptual-and-neuromuscular-responses-to-estimate-mechanical-changes-during-continuous-sets-in-the-bench-press
#19
Mark Chapman, Eneko Larumbe-Zabala, Mark Gosss-Sampson, N Travis Triplett, Fernando Naclerio
The present study analyzed the effectiveness of the OMNI-RES (0-10) and the electromyographic signal for monitoring changes in the movement velocity during a set to muscular failure performed with different relative loads in the bench press exercise (BP). Ten males (30.8 ± 5.7 years) were evaluated on eight separate days with 48 hours of rest between sessions. After determining the 1RM value, participants performed seven sets to failure with the following relative loads ranges: 30<40%; 40<50%, 50<60%, 60%<70%, 70<80%, 80<90% and >90%...
February 22, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29470365/effect-of-acute-complex-training-on-upper-body-force-and-power-in-collegiate-wrestlers
#20
Margaret T Jones, Jonathan M Oliver, John C Delgado, Justin J Merrigan, Andrew R Jagim, Charles E Robison
To determine if chain bench press (BP) exercise would enhance acute upper body force and power, 13 collegiate male wrestlers (mean ± SD; 20.5 ± 1 years; 174.3 ± 4.2 cm; 76.5 ± 8.3 kg) with ≥ 1 year of strength training participated. Session 1 included body composition ((BodPod) 8.5 ± 2.6 %body fat)), 3 repetition maximum (RM) BP, and familiarization with the plyometric push-up (PPU) on a force plate. Athletes were matched for 3RM BP and randomly assigned to one of two groups: Chain BP or Plate BP. One week after Session 1, athletes performed the experimental protocol which consisted of: Baseline PPU, Chain/Plate BP Set 1 (6 reps @ 60%), 30 sec rest, PPU, 3 min rest, Chain/Plate BP Set 2 (6 reps @60%), 30 sec rest, and PPU...
February 20, 2018: Journal of Strength and Conditioning Research
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