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https://www.readbyqxmd.com/read/28528354/comparison-of-the-effectiveness-of-resistance-training-in-women-with-chronic-computer-related-neck-pain-a-randomized-controlled-study
#1
Xiao Li, Caina Lin, Cuicui Liu, Songjian Ke, Qing Wan, Haijie Luo, Zhuxi Huang, Wenjun Xin, Chao Ma, Shaoling Wu
BACKGROUND: Chronic computer-related neck pain is common among office workers. Studies have proposed neck strengthening exercise as a therapy to pain relieving and function improvement. The aim of this study was to compare the efficacy of different loading resistance trainings and we hypothesized that women with work-related neck pain could benefit more from progressive resistance training for pain and function recovery. METHODS: A randomized controlled trial was conducted and subjects characterized by monotonous jobs were recruited...
May 20, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28527751/hand-strengthening-exercises-in-chronic-stroke-patients-dose-response-evaluation-using-electromyography
#2
Jonas Vinstrup, Joaquin Calatayud, Markus D Jakobsen, Emil Sundstrup, Jørgen R Jørgensen, Jose Casaña, Lars L Andersen
STUDY DESIGN: Cross-sectional. PURPOSE OF THE STUDY: This study evaluates finger flexion and extension strengthening exercises using elastic resistance in chronic stroke patients. METHODS: Eighteen stroke patients (mean age: 56.8 ± 7.6 years) with hemiparesis performed 3 consecutive repetitions of finger flexion and extension, using 3 different elastic resistance levels (easy, moderate, and hard). Surface electromyography was recorded from the flexor digitorum superficialis (FDS) and extensor digitorum (ED) muscles and normalized to the maximal electromyography of the non-paretic arm...
May 17, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28527156/the-effect-of-aerobic-or-aerobic-strength-exercise-on-body-composition-and-functional-capacity-in-patients-with-bmi-%C3%A2-35-after-bariatric-surgery-a-randomized-control-trial
#3
Alireza Hassannejad, Alireza Khalaj, Mohammad Ali Mansournia, Mastaneh Rajabian Tabesh, Zahra Alizadeh
BACKGROUND: Although previous studies suggested that bariatric surgery is the most effective and sustainable treatment method for morbid obesity in long term, but without changing in lifestyle, maintaining optimal weight loss is almost impossible. METHODS: Sixty morbid obese patients (BMI ≥ 35) were evaluated before and after 12 weeks of bariatric surgery in order to compare the impact of two different exercise programs on body composition and functional capacity outcomes...
May 19, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28527013/central-activation-metabolites-and-calcium-handling-during-fatigue-with-repeated-maximal-isometric-contractions-in-human-muscle
#4
Simeon P Cairns, Luke A G Inman, Caroline P MacManus, Ingrid G L van de Port, Patricia A Ruell, Jeanette M Thom, Martin W Thompson
PURPOSE: To determine the roles of calcium (Ca(2+)) handling by sarcoplasmic reticulum (SR) and central activation impairment (i.e., central fatigue) during fatigue with repeated maximal voluntary isometric contractions (MVC) in human muscles. METHODS: Contractile performance was assessed during 3 min of repeated MVCs (7-s contraction, 3-s rest, n = 17). In ten participants, in vitro SR Ca(2+)-handling, metabolites, and fibre-type composition were quantified in biopsy samples from quadriceps muscle, along with plasma venous [K(+)]...
May 19, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28526994/adolescent-s-health-behaviors-and-risk-for-insulin-resistance-a-review-of-the-literature
#5
REVIEW
Jill L Kaar, Stacey L Simon, Sarah J Schmiege, Kristen J Nadeau, Megan M Kelsey
PURPOSE OF REVIEW: One-third of US adolescents are obese, and related comorbidities exist in this population. Preventing early indicators of these diseases, such as insulin resistance (IR), may impact future morbidity and mortality. Interventions to date have only focused on diet or exercise. Additional targets to prevent disease are needed. This paper reviews the evidence in adolescents examining multiple health behaviors that have been associated with IR. RECENT FINDINGS: Health behaviors (i...
July 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28526870/time-course-responses-of-circulating-micrornas-to-three-resistance-training-protocols-in-healthy-young-men
#6
Shufang Cui, Biao Sun, Xin Yin, Xia Guo, Dingming Chao, Chunni Zhang, Chen-Yu Zhang, Xi Chen, Jizheng Ma
Circulating microRNAs (c-miRNAs) in human plasma have been described as a potential marker of exercise. The present study investigated the effects of three acute resistance training (RT) protocols on the time-course changes of the c-miRNAs profiles in young males. The subjects (n = 45) were randomly divided into three groups: muscular strength endurance (SE), muscular hypertrophy (MH) and maximum strength (MS). Venous blood samples were obtained before exercise and immediately, 1 h and 24 h after each RT protocol to assess the following biological parameters: c-miRNAs, anabolic and catabolic hormones, inflammatory cytokines and muscle damage markers...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525464/the-cardiac-rehabilitation-model-improves-fitness-quality-of-life-and-depression-in-breast-cancer-survivors
#7
Lianne B Dolan, Danielle Barry, Teresa Petrella, Lindsay Davey, Ann Minnes, Allison Yantzi, Susan Marzolini, Paul Oh
PURPOSE: Exercise is a demonstrated, therapeutic strategy for cancer survivors to minimize many treatment-induced side effects and may decrease risk of recurrence. Nonetheless, structured programs that combine exercise and education are not yet standardized within cancer care. The Health, Exercise, Active Living, Therapeutic lifestyle (HEALTh) program is a clinical exercise program based on the established cardiac rehabilitation model, but customized for female breast cancer survivors...
May 18, 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28523981/classification-of-lunge-biomechanics-with-multiple-and-individual-inertial-measurement-units
#8
Martin A O'Reilly, Darragh F Whelan, Tomas E Ward, Eamonn Delahunt, Brian Caulfield
Lunges are a common, compound lower limb resistance exercise. If completed with aberrant technique, the increased stress on the joints used may increase risk of injury. This study sought to first investigate the ability of inertial measurement units (IMUs), when used in isolation and combination, to (a) classify acceptable and aberrant lunge technique (b) classify exact deviations in lunge technique. We then sought to investigate the most important features and establish the minimum number of top-ranked features and decision trees that are needed to maintain maximal system classification efficacy...
May 19, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28516519/exercise-training-in-diastolic-heart-failure-ex-dhf-rationale-and-design-of-a-multicentre-prospective-randomized-controlled-parallel-group-trial
#9
Frank Edelmann, Anna Bobenko, Götz Gelbrich, Gerd Hasenfuss, Christoph Herrmann-Lingen, André Duvinage, Silja Schwarz, Meinhard Mende, Christiane Prettin, Tobias Trippel, Ruhdja Lindhorst, Daniel Morris, Elisabeth Pieske-Kraigher, Kathleen Nolte, Hans-Dirk Düngen, Rolf Wachter, Martin Halle, Burkert Pieske
Heart failure with preserved ejection fraction (HFpEF) is a common disease with high incidence and increasing prevalence. Patients suffer from functional limitation, poor health-related quality of life, and reduced prognosis. A pilot study in a smaller group of HFpEF patients showed that structured, supervised exercise training (ET) improves maximal exercise capacity, diastolic function, and physical quality of life. However, the long-term effects of ET on patient-related outcomes remain unclear in HFpEF. The primary objective of the Exercise training in Diastolic Heart Failure (Ex-DHF) trial is to investigate whether a 12 month supervised ET can improve a clinically meaningful composite outcome score in HFpEF patients...
May 17, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28515978/variation-in-medial-and-lateral-gastrocnemius-muscle-activity-with-foot-position
#10
Michael Cibulka, April Wenthe, Zach Boyle, Dylan Callier, Adam Schwerdt, Deidra Jarman, Michael J Strube
BACKGROUND: The gastrocnemius has two heads, medial gastrocnemius (MG) and lateral gastrocnemius (LG); little is known how they contract with different foot positions. The MG is more frequently strained than the LG; and gastrocnemius activation pattern altered by foot position may play a role in injury. Leg exercises often use a toe-in versus toe-out foot position to isolate one gastrocnemius head over another. PURPOSE: The purpose of this study was to determine the electromyographic gastrocnemius muscle activity in the toe-out and toe-in foot positions during weight bearing and non-weight bearing activities...
April 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28515839/hypotensive-responses-of-reciprocal-supersets-versus-traditional-resistance-training-in-apparently-healthy-men
#11
Claudio M Bentes, Pablo B Costa, Victor G Corrêa Neto, Roberto Simão, Gabriel A Paz, Marianna F Maia, Tiago Figueiredo, Gabriel R Neto, Jefferson S Novaes, Humberto Miranda
The purpose of this study was to compare the hypotensive responses of reciprocal supersets (SS) versus traditional training (TRAD) methods. Thirteen men with at least five years of recreational experience in resistance training (RT) volunteered for the study. When completing the TRAD protocol, participants performed the following exercises separately in sequence: chest press (CP), low row (LR), leg extension (LE), leg curl (LC), pull down (PD), and shoulder press (SP). The SS method required participants to complete the same exercises as in the TRAD protocol, but exercises were coupled such that muscles sequentially served both as an agonist for lift one and then antagonist for lift two and vice versa...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28515837/resistance-training-contribute-to-the-aerobic-components-of-an-exercise-session-in-adults-but-not-as-much-in-older-adults
#12
Neha Bharti, Travis Hrubeniuk, Andrea Mayo, Martin Sénéchal, Danielle R Bouchard
Previous research has indicated that active adults are able to achieve moderate intensity as measured via heart rate during a typical resistance training (RT) session. The main objective was to identify if overweight adults and older adults can reach aerobic moderate intensity at a rate comparable to adults displaying a recommended body mass index. Twenty participants in each group were asked to visit a fitness facility twice if they self-reported doing RT for a minimum two days per week. At the first session baseline characteristics and maximal lifting capacity for each RT exercise...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28515080/effect-of-resistance-exercise-under-conditions-of-reduced-blood-insulin-on-ampk%C3%AE-ser485-491-inhibitory-phosphorylation-and-ampk-pathway-activation
#13
Kohei Kido, Takumi Yokokawa, Satoru Ato, Koji Sato, Satoshi Fujita
Insulin stimulates skeletal muscle glucose uptake via activation of the protein kinase B/Akt (Akt) pathway. Recent studies suggest that insulin down-regulates AMP-activated protein kinase (AMPK) activity via Ser485/491 phosphorylation of the AMPK α-subunit. Thus, lower blood insulin concentrations may induce AMPK signal activation. Acute exercise is one method to stimulate AMPK activation; however, no study has examined the relationship between blood insulin levels and acute resistance exercise-induced AMPK pathway activation...
May 17, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28515079/impact-of-acetaminophen-consumption-and-resistance-exercise-on-extracellular-matrix-gene-expression-in-human-skeletal-muscle
#14
Shivam H Patel, Andrew C D'Lugos, Erica R Eldon, Donald Curtis, Jared M Dickinson, Chad C Carroll
Acetaminophen (APAP) given during chronic exercise reduces skeletal muscle collagen and cross-linking in rats. We propose that the effect of APAP on muscle ECM may, in part, be mediated by dysregulation of the balance between matrix metalloproteinases (MMPs) and tissue inhibitors of MMPs (TIMPs). The purpose of this study was to evaluate the impact of APAP consumption during acute resistance exercise (RE) on several regulators of the ECM in human skeletal muscle. In a double-blinded, placebo-controlled, randomized cross-over design, recreationally active men (n=8, 25±2yr) performed two trials of knee extension...
May 17, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28515056/reducing-musculoskeletal-injury-and-concussion-risk-in-schoolboy-rugby-players-with-a-pre-activity-movement-control-exercise-programme-a-cluster-randomised-controlled-trial
#15
Michael D Hislop, Keith A Stokes, Sean Williams, Carly D McKay, Mike E England, Simon P T Kemp, Grant Trewartha
BACKGROUND: Injury risk in youth rugby has received much attention, highlighting the importance of establishing evidence-based injury reduction strategies. AIM: To determine the efficacy of a movement control exercise programme in reducing injuries in youth rugby players and to investigate the effect of programme dose on injury measures. METHODS: In a cluster-randomised controlled trial, 40 independent schools (118 teams, 3188 players aged 14-18 years) were allocated to receive either the intervention or a reference programme, both of which were to be delivered by school coaches...
May 17, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28514618/aerobic-or-resistance-exercise-or-both-in-dieting-obese-older-adults
#16
Dennis T Villareal, Lina Aguirre, A Burke Gurney, Debra L Waters, David R Sinacore, Elizabeth Colombo, Reina Armamento-Villareal, Clifford Qualls
BACKGROUND: Obesity causes frailty in older adults; however, weight loss might accelerate age-related loss of muscle and bone mass and resultant sarcopenia and osteopenia. METHODS: In this clinical trial involving 160 obese older adults, we evaluated the effectiveness of several exercise modes in reversing frailty and preventing reduction in muscle and bone mass induced by weight loss. Participants were randomly assigned to a weight-management program plus one of three exercise programs - aerobic training, resistance training, or combined aerobic and resistance training - or to a control group (no weight-management or exercise program)...
May 18, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28514267/systolic-and-diastolic-lv-mechanics-during-and-following-resistance-exercise
#17
Eric J Stöhr, Mike Stembridge, Rob Shave, T Jake Samuel, Keeron Stone, Joseph I Esformes
PURPOSE: To improve the current understanding of the impact of resistance exercise on the heart, by examining the acute responses of left ventricular (LV) strain, twist and untwisting rate ('LV mechanics'). METHODS: LV echocardiographic images were recorded in systole and diastole before, during and immediately after (7-12 s) double leg press exercise at two intensities (30% and 60% of maximum strength, 1-repetition-maximum, 1RM). Speckle tracking analysis generated LV strain, twist and untwisting rate data...
May 16, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28514266/pulmonary-vascular-function-and-aerobic-exercise-capacityat-moderate-altitude
#18
Vitalie Faoro, Gael Deboeck, Marco Vicenzi, Anne-Fleur Gaston, Bamodi Simaga, Grégory Doucende, Ilona Hapkova, Emma Roca, Enric Subirats, Fabienne Durand, Robert Naeije
PURPOSE: There has been suggestion that a greater "pulmonary vascular reserve" defined by a low pulmonary vascular resistance (PVR) and a high lung diffusing capacity (DL) allows for a superior aerobic exercise capacity. How pulmonary vascular reserve might affect exercise capacity at moderate altitude is not known. METHODS: Thirty-eight healthy subjects underwent an exercise stress echocardiography of the pulmonary circulation, combined with measurements of DL for nitric oxide (NO) and carbon monoxide (CO) and a cardio-pulmonary exercise test at sea level and at the altitude of 2250m...
May 17, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28513278/infraspinatus-isolation-during-external-rotation-exercise-at-varying-degrees-of-abduction
#19
Gareth Ryan, Heather Johnston, Janice Moreside
CONTEXT: External rotation (ER) strengthening exercises are a common component of shoulder injury prevention and rehabilitation programs. They are primarily intended to target the infraspinatus muscle, based on its role in glenohumeral stabilization and inferior humeral glide. ER also recruits the posterior deltoid, which can be undesirable due to its role in subacromial space narrowing. OBJECTIVE: To determine the angle of humeral abduction that maximizes the infraspinatus to posterior deltoid activation ratio (INFRA/PD) during ER...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28513268/effects-of-volume-training-on-strength-and-endurance-of-back-muscles-a-randomized-controlled-trial
#20
Leonardo Shigaki, Cynthia Gobbi Alves Araújo, Mariane Guizeline Calderon, Thais Karoline Cezar Costa, Andreo Fernando Aguiar, Leonardo Oliveira Pena Costa, Rubens A da Silva
CONTEXT: Strength/resistance training volume has historically been supported in the American College of Sports Medicine recommendations. However, for the back muscles, exercise prescription related to the number of sets, such as single vs. multiple, is not well established in the literature. OBJECTIVE: The purpose of this study was to compare the effects of two training volumes on strength and endurance of back extensor muscles in untrained young participants, with regard to a repeated measures design...
May 17, 2017: Journal of Sport Rehabilitation
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