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Strength and conditioning training

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https://www.readbyqxmd.com/read/28934985/factors-influencing-on-scene-time-in-a-rural-norwegian-helicopter-emergency-medical-service-a-retrospective-observational-study
#1
Øyvind Østerås, Jon-Kenneth Heltne, Bjørn-Christian Vikenes, Jörg Assmus, Guttorm Brattebø
BACKGROUND: Critically ill patients need to be immediately identified, properly managed, and rapidly transported to definitive care. Extensive prehospital times may increase mortality in selected patient groups. The on-scene time is a part of the prehospital interval that can be decreased, as transport times are determined mostly by the distance to the hospital. Identifying factors that affect on-scene time can improve training, protocols, and decision making. Our objectives were to assess on-scene time in the Helicopter Emergency Medical Service (HEMS) in our region and selected factors that may affect it in specific and severe conditions...
September 21, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28934978/adaptation-of-the-2015-american-college-of-rheumatology-treatment-guideline-for-rheumatoid-arthritis-for-the-eastern-mediterranean-region-an-exemplar-of-the-grade-adolopment
#2
Andrea Darzi, Manale Harfouche, Thurayya Arayssi, Samar Alemadi, Khaled A Alnaqbi, Humeira Badsha, Farida Al Balushi, Bassel Elzorkany, Hussein Halabi, Mohammed Hamoudeh, Wissam Hazer, Basel Masri, Mohammed A Omair, Imad Uthman, Nelly Ziade, Jasvinder A Singh, Robin Christiansen, Peter Tugwell, Holger J Schünemann, Elie A Akl
BACKGROUND: It has been hypothesized that adaptation of health practice guidelines to the local setting is expected to improve their uptake and implementation while cutting on required resources. We recently adapted the published American College of Rheumatology (ACR) Rheumatoid Arthritis (RA) treatment guideline to the Eastern Mediterranean Region (EMR). The objective of this paper is to describe the process used for the adaptation of the 2015 ACR guideline on the treatment of RA for the EMR...
September 21, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28933713/adaptations-associated-with-an-after-school-strength-and-conditioning-program-in-middle-school-aged-boys-a-quasi-experimental-design
#3
Brennan J Thompson, Matt S Stock, Jacob A Mota, Alexander S Drusch, Ryan N DeFranco, Tyler R Cook, Matthew A Hamm
Thompson, BJ, Stock, MS, Mota, JA, Drusch, AS, DeFranco, RN, Cook, TR, and Hamm, MA. Adaptations associated with an after-school strength and conditioning program in middle-school aged boys: a quasi-experimental design. J Strength Cond Res 31(10): 2840-2851, 2017-High-intensity strength and conditioning programs aimed at improving youth performance are becoming increasingly prevalent. The purpose of this study was to investigate the effects of a 16-week after-school strength and conditioning program on performance and body composition in middle-school-aged boys...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28933712/volume-load-and-neuromuscular-fatigue-during-an-acute-bout-of-agonist-antagonist-paired-set-vs-traditional-set-training
#4
Gabriel A Paz, Daniel W Robbins, Carlos G de Oliveira, Martim Bottaro, Humberto Miranda
Paz, GA, Robbins, DW, de Oliveira, CG, Bottaro, M, and Miranda, H. Volume load and neuromuscular fatigue during an acute bout of agonist-antagonist paired-set vs. traditional-set training. J Strength Cond Res 31(10): 2777-2784, 2017-The purpose of this study was to investigate the acute effects of performing paired-set (PS) vs. traditional-set (TS) training over 3 consecutive sets, on volume load and electromyographic fatigue parameters of the latissimus dorsi, biceps brachii, pectoralis major, and triceps brachii muscles...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28931495/a-review-of-sarcopenia-enhancing-awareness-of-an-increasingly-prevalent-disease
#5
REVIEW
Eric Marty, Yi Liu, Andre Samuel, Omer Or, Joseph Lane
Sarcopenia is defined as an age associated decline in skeletal muscle mass. The pathophysiology of sarcopenia is multifactorial, with decreased caloric intake, muscle fiber denervation, intracellular oxidative stress, hormonal decline, and enhanced myostatin signaling all thought to contribute. Prevalence rates are as high as 29% and 33% in community dwelling and long-term care populations, respectively, with advanced age, low body mass index, and low physical activity as significant risk factors. Sarcopenia shares many characteristics with other disease states typically associated with risk of fall and fracture, including osteoporosis, frailty, and obesity...
September 17, 2017: Bone
https://www.readbyqxmd.com/read/28930932/complex-training-the-effect-of-exercise-selection-and-training-status-on-postactivation-potentiation-in-rugby-league-players
#6
David J Scott, Massimiliano Ditroilo, Phil A Marshall
Scott, DJ, Ditroilo, M, and Marshall, PA. Complex training: the effect of exercise selection and training status on postactivation potentiation in rugby league players. J Strength Cond Res 31(10): 2694-2703, 2017-This study compared the postactivation potentiation (PAP) response of the hex bar deadlift (HBD) and back squat (BS) exercises. The PAP response between different levels of athletes was also compared. Ten professional and 10 amateur rugby league players performed 2 experimental sessions. Participants performed a countermovement jump (CMJ) before and 2, 4, 6, 8, 10, 12, 14, and 16 minutes after a conditioning activity (CA) that contained 1 set of 3 repetitions at 93% 1 repetition maximum of either HBD or BS...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28930878/performance-of-future-elite-players-at-the-nfl-scouting-combine
#7
David P Hedlund
The purpose of this study is to examine players' physical and performance measures taken at the NFL Scouting Combine and compare these to their future performance in the NFL. From 2002-2016, three types of player data (N=5,506) were collected from secondary data sources. Results players earned on various NFL Scouting Combine drills and measurements (e.g., height, weight, 40-yard dash time, vertical jump, bench press repetitions, shuttle run time, and 3-cone drill time), the position players play on the field (e...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28930872/improving-vertical-jump-profiles-through-prescribed-movement-plans
#8
John K Mayberry, Bryce Patterson, Phil Wagner
Developing practical, reliable, and valid methods for monitoring athlete wellness and injury risk is an important goal for trainers, athletes, and coaches. Previous studies have shown that the countermovement vertical jump test (CMJ) is both a reliable and valid metric for evaluating an athlete's condition. This study examines the effectiveness of prescribed workouts on improving quality of movement during CMJ. The dataset consists of 2425 pairs of CMJ scans for high school, college, and professional athletes training at a privately owned facility...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28930870/hamstring-myoelectrical-activity-during-three-different-kettlebell-swing-exercises
#9
Michael J Del Monte, David A Opar, Ryan G Timmins, James Ross, Justin Wl Keogh, Christian Lorenzen
Kettlebell exercises have become an increasingly popular form of resistance training and component of lower body rehabilitative training programs; despite a lack of scientific literature illustrating internal mechanisms and effectiveness of these approaches. Participants (n=14) performed three different styles of kettlebell swings (hip hinge, squat and double knee extension) and were assessed for medial hamstrings (MH) and biceps femoris (BF) myoelectrical activity via surface electromyography (sEMG). Bipolar pre-gelled Ag/AgCl surface electromyography (sEMG) electrodes (10mm diameter, 20mm inter-electrode distance) were placed on the participant's dominant limb after correct skin preparation...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28912651/manual-resistance-versus-conventional-resistance-training-impact-on-strength-and-muscular-endurance-in-recreationally-trained-men
#10
Iván Chulvi-Medrano, Tamara Rial, Juan M Cortell-Tormo, Yasser Alakhdar, Caue V La Scala Teixeira, Laura Masiá-Tortosa, Sandor Dorgo
Manual resistance training (MRT) has been widely used in the field of physical therapy. It has also been used as a strength training method due to the accommodating resistance nature of this modality. The aim of the present study was to compare the effects of an 8-week MRT program on maximum strength and muscular endurance in comparison to conventional resistance training in recreationally trained men. Twenty healthy recreationally trained male subjects were recruited and divided into a MRT training group and a conventional training (CT) group...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28900561/effects-of-a-band-loop-on-lower-extremity-muscle-activity-and-kinematics-during-the-barbell-squat
#11
Ryan C A Foley, Brittany D Bulbrook, Duane C Button, Michael W R Holmes
BACKGROUND: Medial knee collapse can signal an underlying movement issue that, if uncorrected, can lead to a variety of knee injuries. Placing a band around the distal thigh may act as a proprioceptive aid to minimize medial collapse of the knee during squats; however, little is known about EMG and biomechanics in trained and untrained individuals during the squat with an elastic band added. HYPOTHESIS/PURPOSE: To investigate the effects of the TheraBand® Band Loop on kinematics and muscle activity of the lower extremity during a standard barbell back squat at different intensities in both trained and untrained individuals...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28894913/european-otorhinolaryngology-training-programs-results-of-a-european-survey-about-training-satisfaction-work-environment-and-conditions-in-six-countries
#12
N Oker, Naif H Alotaibi, A C Reichelt, P Herman, M Bernal-Sprekelsen, Andreas E Albers
ORL-students and residents have an ongoing debate about the "best" programme in Europe. Aim of this study was to comparatively assess differences among programmes in training, satisfaction, quality of life (QoL) of residents and recent otorhinolaryngologist (ORL) specialists in France, Germany, Spain, Italy, Austria, and Belgium. A self-administered anonymous questionnaire, structured in ten sections including general information, provided guidance, working environment, training structure, teaching of medical students, publication work, QoL, and satisfaction with training, were emailed to residents and recent ORL specialists...
September 11, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28894425/analysis-of-wearable-and-smartphone-based-technologies-for-the-measurement-of-barbell-velocity-in-different-resistance-training-exercises
#13
Carlos Balsalobre-Fernández, David Marchante, Eneko Baz-Valle, Iván Alonso-Molero, Sergio L Jiménez, Mario Muñóz-López
The purpose of this study was to analyze the validity, reliability, and accuracy of new wearable and smartphone-based technology for the measurement of barbell velocity in resistance training exercises. To do this, 10 highly trained powerlifters (age = 26.1 ± 3.9 years) performed 11 repetitions with loads ranging 50-100% of the 1-Repetition maximum in the bench-press, full-squat, and hip-thrust exercises while barbell velocity was simultaneously measured using a linear transducer (LT), two Beast wearable devices (one placed on the subjects' wrist -BW-, and the other one directly attached to the barbell -BB-) and the iOS PowerLift app...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28879576/effects-of-acute-resistance-training-modality-on-corticospinal-excitability-intra-cortical-and-neuromuscular-responses
#14
Christopher Latella, Wei-Peng Teo, Dale Harris, Brendan Major, Dan VanderWesthuizen, Ashlee M Hendy
OBJECTIVE: Although neural adaptations from strength training are known to occur, the acute responses associated with heavy-strength (HST) and hypertrophy training (HYT) remain unclear. Therefore, we aimed to compare the acute behaviour of corticospinal responses following a single session of HST vs HYT over a 72-h period. METHODS: Fourteen participants completed a random counterbalanced, crossover study that consisted of a single HST session [5 sets × 3 repetition maximum (RM)], a HYT session (3 sets × 12 RM) of the leg extensors and a control session (CON)...
September 6, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28876156/home-based-circuit-training-program-for-an-adolescent-female-with-severe-traumatic-brain-injury-a-case-report
#15
Devashish Tiwari, Carol Daly, Bara Alsalaheen
Adolescents with traumatic brain injury (TBI) are often discharged from physical therapy (PT) services without transitioning into exertional conditioning programs. Active participation in physical activities with peers at school is essential to achieve a sense of accomplishment and acceptance. Factors such as reduced aerobic fitness and residual gait impairments can lead to limited participation and peer interaction. The purpose of this case report was to describe the impact of home-based circuit training (HBCT) focusing on strength and balance on gait speed (GS), energy expenditure, and functional performance in a 17-year-old female with severe TBI...
September 6, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28874920/the-manual-stimulation-of-acupuncture-points-in-the-treatment-of-post-traumatic-stress-disorder-a-review-of-clinical-emotional-freedom-techniques
#16
Dawson Church, David Feinstein
Background: The manual stimulation of acupuncture points has been combined with components of cognitive and exposure therapies into a clinical and self-help approach known as Emotional Freedom Techniques (EFT). More than 40 clinical trials and four meta-analytic reviews of EFT treatments have demonstrated large effect sizes with a range of conditions, including pain, PTSD (in both civilian and military veteran populations), phobias, anxiety, and depression. Objective: This review describes the approach, with a focus on PTSD in veterans and service members, provides an overview of how EFT is most commonly applied, and outlines obstacles and cautions related to its implementation...
August 1, 2017: Medical Acupuncture
https://www.readbyqxmd.com/read/28869627/somatotype-variables-related-to-strength-and-power-output-in-male-basketball-players
#17
Krzysztof Buśko, Anna Pastuszak, Monika Lipińska, Marta Lipińska, Karol Gryko
PURPOSE: The purpose of this study was to investigate the relationship between somatotype, muscular strength, power output measured in maximal cycle ergometer exercise bouts, and maximal power output and height of rise of the body mass centre (jump height) measured in akimbo counter movement jump (ACMJ), counter movement jump (CMJ) and spike jump (SPJ), in male basketball players. METHODS: Thirteen male basketball players (second division, age 19.4 ± 0.8 years, body height 192...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/28864705/a-protocol-for-a-randomised-controlled-trial-of-the-bone-response-to-impact-loading-or-resistance-training-in-young-women-with-lower-than-average-bone-mass-the-optima-ex-trial
#18
Conor Lambert, Belinda R Beck, Amy T Harding, Steven L Watson, Benjamin K Weeks
INTRODUCTION: The aim of the Osteoporosis Prevention Through Impact and Muscle-loading Approaches to Exercise trial is to compare the bone response to two known osteogenic stimuli - impact loading exercise and resistance training. Specifically, we will examine the effect of a 10-month, twice-weekly, high-intensity impact loading exercise intervention and a 10-month, twice-weekly, high-intensity resistance training intervention on bone mass and strength at clinically important skeletal sites...
September 1, 2017: BMJ Open
https://www.readbyqxmd.com/read/28861000/relationship-between-muscle-function-muscle-typology-and-postural-performance-according-to-different-postural-conditions-in-young-and-older-adults
#19
REVIEW
Thierry Paillard
Although motor output of the postural function clearly influences postural performance in young and older subjects, no relationship has been formally established between them. However, the relationship between lower-extremity muscle strength/power and postural performance is often pointed out, especially in older subjects. In fact, the influence of motor output may vary according to the postural condition considered (e.g., static, dynamic, challenging, disturbing). In static postural condition, there may be a relationship between lower-extremity muscle strength and postural performance when the value of muscle strength is below a certain threshold in older subjects...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28858726/optimal-retraining-time-for-regaining-functional-fitness-using-multicomponent-training-after-long-term-detraining-in-older-adults
#20
Minyoung Lee, Taehyun Lim, Jaehyuk Lee, Kimyeong Kim, BumChul Yoon
OBJECTIVES: Little is known about the optimal retraining time for regaining functional fitness through multicomponent training following long-term detraining in older adults. This study first investigated the time course of functional fitness changes during 12-month multicomponent training, 12-month detraining, and 9-month retraining in 18 older adults (68.33±3.46) and then determined the optimal retraining time for regaining the post-training functional fitness level after a 12-month detraining period...
August 2, 2017: Archives of Gerontology and Geriatrics
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