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Strength AND Training

Wissem Dhahbi, Maha Sellami, Anis Chaouachi, Johnny Padulo, Mirjana Milic, Imed Mekki, Karim Chamari
The purpose of the present investigation was to follow-up the effect of specific commandos' training-cycles (SCTCs) on upper-body strength resistance and running endurance performance, as well as determine whether variation in seasonal parameters has any effect on physical performance. Fourteen SCTCs were held over eight years, involving 466 participants. Participants were assigned to four subgroups according to their distribution over the seasons: summer (n = 124), autumn (n = 145), winter (n = 52) and spring (n = 145)...
2018: PloS One
Kevin H Choe, Jared W Coburn, Pablo B Costa, Derek N Pamukoff
Choe, KH, Coburn, JW, Costa, PB, and Pamukoff, DN. Hip and knee kinetics during a back-squat and deadlift. J Strength Cond Res XX(X): 000-000, 2018-The back-squat and deadlift are performed to improve hip and knee extensor function. The purpose of this study was to compare lower extremity joint kinetics (peak net joint moments [NJMs] and positive joint work [PJW]) between the back-squat and deadlift. Twenty-eight resistance-trained subjects (17 men: 23.7 ± 4.3 years, 1.76 ± 0.09 m, 78.11 ± 10.91 kg; 11 women: 23...
October 17, 2018: Journal of Strength and Conditioning Research
Christopher Latella, Daniel van den Hoek, Wei-Peng Teo
Latella, C, van den Hoek, D, and Teo, WP. Differences in strength performance between novice and elite athletes: Evidence from powerlifters. J Strength Cond Res XX(X): 000-000, 2018-Strength forms an integral part of many sports. In particular, powerlifting success is determined solely by maximal strength, providing a unique opportunity to investigate the differences and potential factors influencing novice and elite competitors. We evaluated performance from 2,137 competitors between local (LOC), national (NAT), and international (INT) competitions...
October 17, 2018: Journal of Strength and Conditioning Research
Hugo de L Corrêa, Heitor S Ribeiro, Áthila T D Maya, Rodrigo P Neves, Milton R de Moraes, Ricardo M Lima, Otávio T Nóbrega, Aparecido P Ferreira
de L. Corrêa, H, Ribeiro, HS, Maya, ÁTD, Neves, RP, de Moraes, MR, Lima, RM, Nóbrega, OT, and Ferreira, AP. Influence of the ACTN3 genotype and the exercise intensity on the respiratory exchange ratio and excess oxygen consumption after exercise. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to assess the respiratory exchange ratio (RER) and excess postexercise oxygen consumption (EPOC) after high-intensity interval training and continuous moderate-intensity aerobic training in accordance with the ACTN3 genotype...
October 17, 2018: Journal of Strength and Conditioning Research
César L Collazo García, Javier Rueda, Bruno Suárez Luginick, Enrique Navarro
Collazo García, CL, Rueda, J, Suárez Luginick, B, Navarro, E. Differences in the electromyographic activity of lower-body muscles in hip thrust variations. J Strength Cond Res XX(X): 000-000, 2018-Coaches often use variations of an exercise to train a specific muscle. The purpose of this study was to analyze motor patterns in 4 variations of one of the most popular strength training exercises for the lower body: the barbell hip thrust. Seven experienced personal trainers performed a series of 8 repetitions of each variation with a load of 40% one repetition maximum...
October 17, 2018: Journal of Strength and Conditioning Research
Aleksandar Čvorović, Filip Kukić, Robin M Orr, Jay J Dawes, Velimir Jeknić, Miloš Stojković
Čvorović, A, Kukić, F, Orr, RM, Dawes, JJ, Jeknić, V, and Stojković, M. Impact of a 12-week postgraduate training course on the body composition and physical abilities of police trainees. J Strength Cond Res XX(X): 000-000, 2018-The main objective of this study was to determine the effects of a 12-week physical training program on police trainees at the Abu Dhabi Police College. Anthropometric and fitness testing data for 325 healthy trainees, enrolled in an academic course for qualification as a police officer, were analyzed...
October 17, 2018: Journal of Strength and Conditioning Research
Tiril Tøien, Håvard Pedersen Haglo, Runar Jakobsen Unhjem, Jan Hoff, Eivind Wang
The search for the most potent strength training intervention is continuous. Maximal strength training (MST) yields large improvements in force generating capacity (FGC), largely attributed to efferent neural drive enhancement. However, it remains elusive whether eccentric overload, prior to the concentric phase, may augment training-induced neuromuscular adaptations. A total of 53 23±3(SD)-year-old untrained males were randomized to either a non-training control group (CG) or one of two training groups performing leg press strength training with linear progression, 3x per week for eight weeks...
October 17, 2018: Journal of Neurophysiology
Brendan R Scott, Jeremiah J Peiffer, Hannah J Thomas, Kieran J Marston, Keith D Hill
Introduction: Blood flow restriction (BFR) during low-load resistance exercise increases muscle size similarly to high-load training, and may be an alternative to lifting heavy weights for older people at risk of sarcopenia. However, few studies have addressed the safety of such exercise in older people, or whether this is impacted by the actual exercises performed during training. This study aimed to compare the acute hemodynamic and perceptual responses during low-load BFR exercise to unrestricted low-load and high-load exercise in older women, and to determine whether these responses depend on the type of exercise performed...
2018: Frontiers in Physiology
Virginie Prevost, Bénédicte Clarisse, Natacha Heutte, Alexandra Leconte, Cécile Bisson, Rachel Bignon, Sonia Cauchin, Maryline Feuillet, Sylvie Gehanne, Maud Gicquère, Marie-Christine Grach, Cyril Guillaumé, Christine Le Gal, Joelle Le Garrec, Franck Lecaer, Isabelle Lepleux, Anne-Laure Millet, Marie-Claude Ropartz, Nathalie Roux, Virith Sep Hieng, Carole Van Delook, Constance Bechet, Aline Le Chevalier, Claire Delorme
Pain, one of the most feared symptoms for patients with cancer, remains insufficiently alleviated and impairs quality of life. Therapeutic patient education (TPE) is a relevant approach to this problem while allowing patients to develop skills to better manage their pain. In the "Basse-Normandie" French region, the management of pain relies on two organized networks, thus allowing proximity and accessibility for all concerned. In this context, our team has begun a broad five-step research program that is part of a regional health policy: (1) training in TPE of 10 doctor/nurse pairs; (2) identification of educational expectations of patients and their relatives in the field of cancer pain; (3) design and optimization of a TPE program dedicated to cancer pain; (4) regional pilot study aiming to assess the feasibility, quality and transferability of the program; (5) evaluation of the TPE program by interventional comparative randomization at the national level...
October 13, 2018: Bulletin du Cancer
Chloe Gay, Candy Guiguet-Auclair, Bruno Pereira, Anna Goldstein, Loïc Bareyre, Nicolas Coste, Emmanuel Coudeyre
BACKGROUND: Osteoarthritis (OA) is not limited to joint pain and stiffness, which can lead to disability; it is also linked to comorbidities such as overweight, obesity and fears and beliefs related to the pathology. The knee OA population appears more affected by these risk factors and has a lower physical activity (PA) level than the general population. The key challenge for OA treatment is increasing the PA level to decrease the risk factors. METHODS: We aim to perform a prospective, multicentric, quasi-randomized controlled trial with an alternate-month design (1-month periods)...
October 16, 2018: BMC Complementary and Alternative Medicine
Laurent Vigouroux, Marine Devise, Théo Cartier, Clément Aubert, Eric Berton
Pull-ups are often used by sport-climbers and other athletes to train their arm and back muscle capabilities. Sport-climbers use different types of holds to reinforce finger strength concomitantly. However, the effect of grip types on pull-up performance had not previously been investigated. A vertical force platform sensor measured the force exerted by climbers when performing pull-ups under six different grip conditions (gym-bar, large climbing hold, and four small climbing holds: 22mm, 18mm, 14mm, and 10mm)...
October 16, 2018: Journal of Sports Sciences
JaYoung Kim, Dae Yul Kim, Min Ho Chun, Seong Woo Kim, Ha Ra Jeon, Chang Ho Hwang, Jong Kyoung Choi, Suhwan Bae
OBJECTIVE: To investigate the effects of Morning Walk® -assisted gait training for patients with stroke. DESIGN: Prospective randomized controlled trial. SETTING: Three hospital rehabilitation departments (two tertiary and one secondary). PATIENTS: We enrolled 58 patients with hemiparesis following a first-time stroke within the preceding year and with Functional Ambulation Category scores ⩾2. INTERVENTION: The patients were randomly assigned to one of two treatment groups: 30 minutes of training with Morning Walk® , a lower limb rehabilitation robot, plus 1 hour of conventional physiotherapy (Morning Walk® group; n = 28); or 1...
October 16, 2018: Clinical Rehabilitation
Luis Suarez-Arrones, Eduardo Saez de Villarreal, Francisco Javier Núñez, Valter Di Salvo, Cristian Petri, Alessandro Buccolini, Rafael Angel Maldonado, Nacho Torreno, Alberto Mendez-Villanueva
The aim of this study was to describe the changes in body composition, strength and sprint performance in response to an entire competitive season of football training supplemented with 2 inertial eccentric-overload training sessions a week in young male professional soccer players. Whole body and regional composition (assessed using dual-energy X-ray absorptiometry), power output in half-squat and 40-m sprinting performance were evaluated in fourteen players. The eccentric-overload training consisted of training sessions a week of 1-2 sets of 10 exercises of upper-body and core (Day 1) and lower-body (Day 2), during the entire competitive season (27 weeks)...
2018: PloS One
Keisuke Shibata, Kazuki Takizawa, Kazunori Nosaka, Masao Mizuno
Shibata, K, Takizawa, K, Nosaka, K, and Mizuno, M. Effects of prolonging eccentric phase duration in parallel back-squat training to momentary failure on muscle cross sectional area, squat one repetition maximum, and performance tests in university soccer players. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to compare 2 squat training programs repeated until momentary failure with different eccentric phase duration (2 seconds vs. 4 seconds) on the changes in muscle cross-sectional area, squat 1 repetition maximum (1RM), squat jump (SJ), and countermovement jump (CMJ) height, agility (T-test), and Yo-Yo intermittent recovery test (YY-IR2)...
October 12, 2018: Journal of Strength and Conditioning Research
Diana Medeiros Andrade, Gabriela Fernandes, Renato Miranda, Danilo Reis Coimbra, Maurício G Bara Filho
Andrade, DM, Fernandes, G, Miranda, R, Reis Coimbra, D, and Bara Filho, MG. Training load and recovery in volleyball during a competitive season. J Strength Cond Res XX(X): 000-000, 2018-The objective of this study was to analyze the training load (TL) and recovery status (RS) of a volleyball team in different periods of the season. Fifteen male athletes participated in the study. Training load was quantified through the rate of perceived exertion of session. The total weekly TL of the preparatory period (PP), competitive period I (CPI), and competitive period II (CPII) was calculated...
October 12, 2018: Journal of Strength and Conditioning Research
Silke Neumann, Ursula Meidert, Ricard Barberà-Guillem, Rakel Poveda-Puente, Heidrun Becker
BACKGROUND: As people become older, the biological process of aging leads to a decline in functional capabilities, which entails difficulties in the performance of daily tasks. Within the "Active and Assisted Living Joint Programme" a consortium from Spain, Germany, and Switzerland developed an interactive Exergame software for older adults to maintain their physical abilities and independence within the daily tasks. SUBJECTS AND METHODS: An interventional study was conducted to validate the software...
October 2018: Games for Health
Megan Song McHenry, Carole Ian McAteer, Eren Oyungu, Andrew Roland Deathe, Rachel Christine Vreeman
Children born to HIV-infected mothers have worse developmental outcomes compared to HIV-unexposed children. However, little is known about interventions to improve developmental outcomes in this population. This study systematically reviews the literature on interventions to improve development in children born to HIV-infected mothers. We systematically searched the following electronic bibliographic databases: Ovid MEDLINE, Embase, PsycINFO, Education Resources Information Center, and the Cochrane Database of Systematic Reviews...
October 16, 2018: AIDS Care
Johanna Jonsdottir, Elisa Gervasoni, Thomas Bowman, Rita Bertoni, Eleonora Tavazzi, Marco Rovaris, Davide Cattaneo
Introduction: Persons with multiple sclerosis (MS) have deficits in many aspects of physical and cognitive functioning that can impact on mobility and participation in daily life. The effect of a 4 week intensive multimodal treadmill training on functional mobility, balance, executive functions and participation in persons with MS with moderate to severe disability was investigated. Methods: Thirty eight persons with MS admitted to a rehabilitation center participated in a two arm randomized 2:1 controlled trial...
2018: Frontiers in Neurology
Yah-Ting Wu, Kuo-Hu Chen, Shiun-Lei Ban, Kwang-Yi Tung, Li-Ru Chen
Hand burns cause functional impairment. Leap motion control (LMC), a kind of virtual reality games, employs a novel system that provides biofeedback and training of fine motor function and functional skills. In this study, we hypothesized that LMC would improve burned hand function. Sixteen participants were allocated to either the LMC group or the control group. The LMC group played 20min identical leap motion video games after 40min traditional occupational therapy (OT). The control group received traditional OT for 60min...
October 12, 2018: Burns: Journal of the International Society for Burn Injuries
Sasha Blue Godfrey, Kristin D Zhao, Amanda Theuer, Manuel G Catalano, Matteo Bianchi, Ryan Breighner, Divya Bhaskaran, Ryan Lennon, Giorgio Grioli, Marco Santello, Antonio Bicchi, Karen Andrews
Roughly one quarter of active upper limb prosthetic technology is rejected by the user, and user surveys have identified key areas requiring improvement: function, comfort, cost, durability, and appearance. Here we present the first systematic, clinical assessment of a novel prosthetic hand, the SoftHand Pro (SHP), in participants with transradial amputation and age-matched, limb-intact participants. The SHP is a robust and functional prosthetic hand that minimizes cost and weight using an underactuated design with a single motor...
2018: PloS One
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