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https://www.readbyqxmd.com/read/30317216/assessment-of-vibration-exposure-and-physiological-responses-of-crew-members-during-infantry-combat-vehicle-icv-operation-a-pilot-study
#1
Archana A Malhari, D Bhattacharyya, K Arya, T Chatterjee, M Pal
BACKGROUND: Operation of infantry combat vehicle (ICV) influences the cardiorespiratory responses as well as the risk of vibration exposure on the crew members which adversely affect their performance and health. AIM: To assess the effect of stress factors, that is, ICV's compartmental temperature, relative humidity (RH) and vehicular vibration on the physiological parameters (heart rate (HR), respiratory frequency (RF), estimated core body temperature (ECT)) of the crew members during the ICV operation...
October 12, 2018: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/30314488/overuse-injuries-in-swedish-elite-athletics-a-study-protocol-for-a-prospective-multifactorial-cohort-study
#2
Andreas Lundberg Zachrisson, Pia Desai, Jon Karlsson, Elias Johanesson, Stefan Grau
BACKGROUND: Overuse injuries (OI) are common in elite athletics. Previous studies have had athletes self-report injuries rather than having a medical professional provide a clear diagnosis. This might be a major reason for the inconsistencies in reported incident proportions of OI in elite athletics, in addition to the varying definitions of OI in current literature. Risk factors or combinations of risk factors (biomechanical, clinical, and training-related) have been shown to be important in the developmental process of OI...
October 13, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/30290118/woven-kevlar%C3%A2-fiber-polydimethylsiloxane-reduced-graphene-oxide-composite-based-personal-thermal-management-with-freestanding-cu-ni-core-shell-nanowires
#3
Ankita Hazarika, Biplab K Deka, Do-Young Kim, Hoon Eui Jeong, Young-Bin Park, Hyung Wook Park
Thermotherapy is a widespread technique that provides relief for muscle spasms and joint injuries. A great deal of energy is used to heat the surrounding environment, and heat emitted by the human body is wasted on our surroundings. Herein, a woven Kevlar® fiber (WKF)-based personal thermal management device was fabricated by directly growing vertical copper-nickel (Cu-Ni) nanowires (NWs) on the WKF surface using a hydrothermal method. The treated WKF was combined with reduced graphene oxide (rGO) dispersed in polydimethylsiloxane (PDMS) to form composites using vacuum-assisted resin transfer molding (VARTM)...
October 5, 2018: Nano Letters
https://www.readbyqxmd.com/read/30188249/collegiate-baseball-players-with-more-optimal-functional-movement-patterns-demonstrate-better-athletic-performance-in-speed-and-agility
#4
Yu-Pin Liang, Yi-Liang Kuo, Hsiang-Chin Hsu, Yen-Ysung Hsia, Ya-Wen Hsu, Yi-Ju Tsai
Sports injuries are common among baseball players and may result in abnormal movement patterns, increased risks of future injury, and unsatisfactory performance. The Functional Movement Screen (FMS™) has been developed to detect abnormal functional movement patterns and can be used for predicting risks of sports injury. However, whether FMS™ scores are associated with athletic performance remains unclear. The goal of this study was to determine the association between functional movements and athletic performance in elite baseball players...
September 6, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/30161087/differences-in-the-repeated-sprint-performance-between-the-first-and-latter-halves-of-trials-under-conditions-of-several-thermal-states-in-exercising-muscles
#5
Keiko Inoue, Naoyuki Yamashita, Masashi Kume, Tetsuya Yoshida
Inoue, K, Yamashita, N, Kume, M, and Yoshida, T. Differences in the repeated sprint performance between the first and latter halves of trials under conditions of several thermal states in exercising muscles. J Strength Cond Res XX(X): 000-000, 2018-The purpose of this study was to determine whether the effects of thermal states in exercising muscle on repeated sprint cycling (RSC) performance differ between the first and latter half of trials. Nine male subjects performed 8 × 8 seconds of RSC with a 40-second rest period...
August 29, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/30148431/feasibility-safety-and-efficacy-of-exercise-training-in-immune-mediated-necrotising-myopathies-a-quasi-experimental-prospective-study
#6
Jean Marcos de Souza, Diego Sales de Oliveira, Letícia Alves Perin, Rafael Giovani Misse, Alexandre Moura Dos Santos, Bruno Gualano, Ana Lúcia de Sá Pinto, Hamilton Roschel, Fernanda Rodrigues Lima, Samuel Katsuyuki Shinjo
OBJECTIVES: To evaluate the feasibility, safety and efficacy of exercise training in patients with immune-mediated necrotising myopathies (IMNM). METHODS: Eight consecutive sedentary patients with IMNM (5 anti-signal recognition particle and 3 anti-hydroxy-methyl-glutaryl coenzyme A reductase) were engaged in this study. Disease status was based on International Myositis Assessment and Clinical Studies Group (IMACS) core set measures. Physical performance was evaluated by cardiopulmonary exercise test, repetition maximum (RM) protocol, handgrip dynamometry, sit-to-stand (STS) and timed up-and-go (TUG) tests...
July 19, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/30142133/yoga-breathing-techniques-have-no-impact-on-isokinetic-and-isoinertial-power
#7
Savannah V Wooten, Nicholas Cherup, Nicolle Mazzei, Shareen Patel, Kiersten Mooney, Ali Rafiq, Joseph F Signorile
Wooten, SV, Cherup, N, Mazzei, N, Patel, S, Mooney, K, Rafiq, A, and Signorile, JF. Yoga breathing techniques have no impact on isokinetic and isoinertial power. J Strength Cond Res XX(X): 000-000, 2018-As an exercise discipline, yoga incorporates breathing (pranayama) and posture (asana) techniques to facilitate improvements in flexibility, strength, and meditation. Both techniques have been used to enhance muscular strength and power output. The purpose of this study was to determine the effects of various yoga breathing techniques on lower-limb power output...
August 23, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/30036726/fibronectin-promotes-elastin-deposition-elasticity-and-mechanical-strength-in-cellularised-collagen-based-scaffolds
#8
Daniele Pezzoli, Joseph Di Paolo, Heena Kumra, Giulia Fois, Gabriele Candiani, Dieter P Reinhardt, Diego Mantovani
One of the tightest bottlenecks in vascular tissue engineering (vTE) is the lack of strength and elasticity of engineered vascular wall models caused by limited elastic fiber deposition. In this study, flat and tubular collagen gel-based scaffolds were cellularised with vascular smooth muscle cells (SMCs) and supplemented with human plasma fibronectin (FN), a known master organizer of several extracellular matrix (ECM) fiber systems. The consequences of FN on construct maturation was investigated in terms of geometrical contraction, viscoelastic mechanical properties and deposition of core elastic fiber proteins...
October 2018: Biomaterials
https://www.readbyqxmd.com/read/30018927/determination-of-the-relationship-between-core-endurance-and-isokinetic-muscle-strength-of-elite-athletes
#9
Tuğba Kocahan, Bihter Akınoğlu
Muscle strength and core endurance are both factors contributing to athletes' performance and prevalence of injuries. There are no studies indicating the relationship between muscle strength around the shoulder and knee joints and core endurance. The aim of our study is to determine the relationship between core endurance and isokinetic muscle strength of knees and shoulders of elite athletes. Seventy-one elite athletes (weight lifting, boxing, taekwondo, biathlon, and ice skating) (age, 18.13±2.9 years) were included in the study...
June 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29914580/early-initiation-of-a-strength-training-based-rehabilitation-after-lumbar-spine-fusion-improves-core-muscle-strength-a-randomized-controlled-trial
#10
Dejan Kernc, Vojko Strojnik, Rok Vengust
BACKGROUND: To analyze the safety and effects of early initiation of rehabilitation including objective measurement outcomes after lumbar spine fusion based on principles of strength training. METHODS: The study recruited 27 patients, aged 45 to 70 years, who had undergone lumbar spine fusion. The method of concealed random allocation without blocking was used to form two groups. The strength training group started rehabilitation 3 weeks after surgery. Patients exercised twice weekly over 9 weeks focusing on muscle activation of lumbopelvic stabilization muscles...
June 19, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29902124/muscle-activation-in-suspension-training-a-systematic-review
#11
Joan Aguilera-Castells, Bernat Buscà, Azahara Fort-Vanmeerhaeghe, Alicia M Montalvo, Javier Peña
Suspension training is an adjunct to traditional strength and conditioning. The effect of added instability on muscle activation during traditional exercises is unclear and depends on the exercise and type of instability. The purpose of this review was to compare the activations of different muscles in suspension training exercises and their traditional counterparts. A search of the current literature was performed without language restrictions using the electronic databases PubMed (1969-12 January 2017), SPORTDiscus (1969-12 January 2017) and Scopus (1969-12 January 2017)...
June 14, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29893604/treatment-success-of-hip-and-core-or-knee-strengthening-for-patellofemoral-pain-development-of-clinical-prediction-rules
#12
Jennifer E Earl-Boehm, Lori A Bolgla, Carolyn Emory, Karrie L Hamstra-Wright, Sergey Tarima, Reed Ferber
CONTEXT:   Patellofemoral pain (PFP) is a common injury that interferes with quality of life and physical activity. Clinical subgroups of patients may exist, one of which is caused by proximal muscle dysfunction. OBJECTIVES:   To develop clinical prediction rules that predict a positive outcome after either a hip and core- or knee-focused strengthening program for individuals with PFP. DESIGN:   Secondary analysis of data from a randomized control trial...
June 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29889150/core-and-back-rehabilitation-for-high-speed-rotation-sports-highlight-on-lacrosse
#13
REVIEW
Heather K Vincent, Kevin R Vincent
Lacrosse is a fast-paced game that incorporates elements from multiple sports, such as soccer, basketball, baseball, tennis, and hockey. The sport involves rapid changes of direction, endurance, sprinting, physical contact, rotational movement, passing, and shooting. Passing and shooting are further complicated by having a weighted object (ball) at the end of a long moment arm (crosse) which places increased stress on the body segments. Thus, it is important to properly prepare for sport participation by improving strength, endurance, and dynamic stability of the postural and core stability muscles...
June 2018: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29878984/physiological-responses-to-swimming-repetitive-ice-miles
#14
Beat Knechtle, Mirko Stjepanovic, Celina Knechtle, Thomas Rosemann, Caio V Sousa, Pantelis T Nikolaidis
Knechtle, B, Stjepanovic, M, Knechtle, C, Rosemann, T, Sousa, CV, and Nikolaidis, PT. Physiological responses to swimming repetitive "Ice Miles." J Strength Cond Res XX(X): 000-000, 2018-"Ice Mile" swimming (i.e., 1,608 m in water of below 5° C) is becoming increasingly popular. Since the foundation of the International Ice Swimming Association (IISA) in 2009, official races are held as World Cup Races and World Championships. Ice swimming was a demonstration sport at the 2014 Winter Olympics in Sochi, Russia...
June 6, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29875682/anabolic-heterogeneity-following-resistance-training-a-role-for-circadian-rhythm
#15
Donny M Camera
It is now well established that resistance exercise stimulates muscle protein synthesis and promotes gains in muscle mass and strength. However, considerable variability exists following standardized resistance training programs in the magnitude of muscle cross-sectional area and strength responses from one individual to another. Several studies have recently posited that alterations in satellite cell population, myogenic gene expression and microRNAs may contribute to individual variability in anabolic adaptation...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29847529/eight-week-battle-rope-training-improves-multiple-physical-fitness-dimensions-and-shooting-accuracy-in-collegiate-basketball-players
#16
Wei-Han Chen, Huey-June Wu, Shin-Liang Lo, Hui Chen, Wen-Wen Yang, Chen-Fu Huang, Chiang Liu
Chen, WH, Wu, HJ, Lo, SL, Chen, H, Yang, WW, Huang, CF, and Liu, C. Eight-week battle rope training improves multiple physical fitness dimensions and shooting accuracy in collegiate basketball players. J Strength Cond Res XX(X): 000-000, 2018-Basketball players must possess optimally developed physical fitness in multiple dimensions and shooting accuracy. This study investigated whether (battle rope [BR]) training enhances multiple physical fitness dimensions, including aerobic capacity (AC), upper-body anaerobic power (AnP), upper-body and lower-body power, agility, and core muscle endurance, and shooting accuracy in basketball players and compared its effects with those of regular training (shuttle run [SR])...
May 28, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29795746/global-active-stretching-sga%C3%A2-practice-for-judo-practitioners-physical-performance-enhancement
#17
Heleno Almeida, Raphael F DE Souza, Felipe J Aidar, Alisson G DA Silva, Ricardo P Regi, Afrânio A Bastos
In order to analyze the Global Active Stretching (SGA®) practice on the physical performance enhancement in judo-practitioner competitors, 12 male athletes from Judo Federation of Sergipe (Federação Sergipana de Judô), were divided into two groups: Experimental Group (EG) and Control Group (CG). For 10 weeks, the EG practiced SGA® self-postures and the CG practiced assorted calisthenic exercises. All of them were submitted to a variety of tests (before and after): handgrip strength, flexibility, upper limbs' muscle power, isometric pull-up force, lower limbs' muscle power (squat-jump - SJ and countermovement jump - CMJ) and Tokui Waza test...
2018: International Journal of Exercise Science
https://www.readbyqxmd.com/read/29727372/the-effect-of-commonly-performed-exercises-on-the-levator-hiatus-area-and-the-length-and-strength-of-pelvic-floor-muscles-in-postpartum-women
#18
Lauren N Siff, Audra J Hill, Samantha J Walters, Ginny Walters, Mark D Walters
OBJECTIVE: The aim oft his study was to compare the effects of 10 common exercises to traditional pelvic floor muscle (PFM) contractions (Kegel) on levator hiatus (LH) area and PFM length and strength. METHODS: This is a cross-sectional study of 15 healthy postpartum women. Ten exercises were studied. These were common variations of leg, core, and back exercises used in yoga, Pilates, strength training, and physical therapy. Each participant performed all 10 exercises at a single visit in 2 examination settings: transperineal ultrasound and perineometry...
May 2, 2018: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29705465/trunk-and-hip-muscle-activation-during-yoga-poses-do-sex-differences-exist
#19
Lori A Bolgla, Leonard Amodio, Kristen Archer, Jillian Estes, Rachelle Leung, Katherine Magoni, Alyssa Mullikin, Dylan Roberts, Mekenzie Weems, Debra Beazley
OBJECTIVE: To compare core activation during yoga between males and females. METHODS: Surface electromyography was used to quantify rectus abdominis (RA), abdominal obliques (AO), lumbar extensors (LE), and gluteus maximus (GMX) activation during four yoga poses. Data were expressed as 100% of a maximum voluntary isometric contraction. Mixed-model 2 × 2 analyses of variance with repeated measures were used to determine between-sex differences in muscle activity...
May 2018: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/29675640/effects-of-combined-whole-body-electromyostimulation-and-protein-supplementation-on-local-and-overall-muscle-fat-distribution-in-older-men-with-sarcopenic-obesity-the-randomized-controlled-franconia-sarcopenic-obesity-franso-study
#20
Wolfgang Kemmler, Alexandra Grimm, Michael Bebenek, Matthias Kohl, Simon von Stengel
The primary aim of the project was to determine the combined effect of whole-body electromyostimulation (WB-EMS) and protein supplements on local and overall muscle/fat distribution in older man with sarcopenic obesity (SO). Community-dwelling (cdw) men ≥ 70 years with SO were randomly allocated to a WB-EMS and protein supplementation (n = 33) or a non-intervention control group (CG: n = 34). WB-EMS was conducted 1.5 sessions of 20 min/week for 16 weeks. Whey protein supplementation aimed to ensure a daily intake of 1...
September 2018: Calcified Tissue International
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