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https://www.readbyqxmd.com/read/27928207/the-agt-gene-m235t-polymorphism-and-response-of-power-related-variables-to-aerobic-training
#1
Zarębska Aleksandra, Jastrzębski Zbigniew, Moska Waldemar, Leońska-Duniec Agata, Kaczmarczyk Mariusz, Sawczuk Marek, Maciejewska-Skrendo Agnieszka, Żmijewski Piotr, Ficek Krzysztof, Trybek Grzegorz, Lulińska-Kuklik Ewelina, Ekaterina A Semenova, Ildus I Ahmetov, Cięszczyk Paweł
The C allele of the M235T (rs699) polymorphism of the AGT gene correlates with higher levels of angiotensin II and has been associated with power and strength sport performance. The aim of the study was to investigate whether or not selected power-related variables and their response to a 12-week program of aerobic dance training are modulated by the AGT M235T genotype in healthy participants. Two hundred and one Polish Caucasian women aged 21 ± 1 years met the inclusion criteria and were included in the study...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27895590/brain-functional-connectivity-is-different-during-voluntary-concentric-and-eccentric-muscle-contraction
#2
Wan X Yao, Zhiguo Jiang, Jinqi Li, Changhao Jiang, Crystal G Franlin, Jack L Lancaster, Yufei Huang, Guang H Yue
Previous studies report greater activation in the cortical motor network in controlling eccentric contraction (EC) than concentric contraction (CC) of human skeletal muscles despite lower activation level of the muscle associated with EC. It is unknown, however, whether the strength of functional coupling between the primary motor cortex (M1) and other involved areas in the brain differs as voluntary movements are controlled by a network of regions in the primary, secondary and association cortices. Examining fMRI-based functional connectivity (FC) offers an opportunity to measure strength of such coupling...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27886837/therapy-and-rehabilitation-for-upper-extremity-injuries-in-athletes
#3
REVIEW
Michael S Gart, Thomas A Wiedrich
The approach to rehabilitation of upper extremity injuries in athletes differs from traditional rehabilitation protocols. In general, athletes have higher functional demands and wish to return to competitive sport in a timely manner. Comprehensive rehabilitation must therefore be balanced with a timely and safe return to sport. Several rehabilitation programs and adjunctive therapies are available to hasten convalescence while minimizing the athlete's risks of reinjury. Here, we review techniques for soft tissue mobilization and strength training in athletic populations...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27878317/-what-is-currently-available-for-sport-medicine-therapy
#4
U Tegtbur
After 30 years of age physical capacity decreases with increasing age by 5-20% per decade. High physical activity in daily life as well as exercise training of endurance, strength, coordination and mobility can delay the functional and anatomical loss of muscle, bone, cartilage and connective tissue by more than 10 years. In recent years, numerous concepts have scientifically been proven in the exercise therapy of internal diseases; therefore, similar to drug treatment, cellular mechanisms of exercise training adaptation are known in detail...
December 2016: Der Internist
https://www.readbyqxmd.com/read/27870696/strength-and-conditioning-and-concurrent-training-practices-in-elite-rugby-union
#5
Thomas W Jones, Andrew Smith, Lindsay S Macnaughton, Duncan N French
Jones, TW, Smith, A, Macnaughton, LS, and French, DN. Strength and Conditioning and Concurrent Training Practices in Elite Rugby Union. J Strength Cond Res 30(12): 3354-3366, 2016-There is limited published research on strength and conditioning (S&C) practices in elite rugby union (RU). Information regarding testing batteries and programme design would provide valuable information to both applied practitioners and researchers investigating the influence of training interventions or preperformance strategies...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27870694/does-intrasession-concurrent-strength-and-aerobic-training-order-influence-training-induced-explosive-strength-and-v-combining-dot-above-o2max-in-prepubescent-children
#6
Ana R Alves, Carlos C Marta, Henrique P Neiva, Mikel Izquierdo, Mário C Marques
Alves, AR, Marta, C, Neiva, HP, Izquierdo, M, and Marques, MC. Does intrasession concurrent strength and aerobic training order influence training-induced explosive strength and V[Combining Dot Above]O2max in prepubescent children?. J Strength Cond Res 30(12): 3267-3277, 2016-The aim of this study was to analyze the interference of strength and aerobic training order over an 8-week period on explosive skills and maximal oxygen uptake (V[Combining Dot Above]O2max) in prepubescent children. One hundred twenty-eight prepubescent children aged 10-11 years (10...
December 0: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27858306/menthol-a-fresh-ergogenic-aid-for-athletic-performance
#7
Christopher J Stevens, Russ Best
The application of menthol has recently been researched as a performance-enhancing aid for various aspects of athletic performance including endurance, speed, strength and joint range of motion. A range of application methods has been used including a mouth rinse, ingestion of a beverage containing menthol or external application to the skin or clothing via a gel or spray. The majority of research has focussed on the use of menthol to impart a cooling sensation on athletes performing endurance exercise in the heat...
November 17, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27834613/patient-outcomes-utilizing-the-mulligan-concept-of-mwm-to-treat-intercollegiate-patients-diagnosed-with-lateral-ankle-sprain-an-a-priori-case-series
#8
James M May, Alan Nasypany, Julie Paolino, Russell Baker, Jeffrey Seegmiller
CONTEXT: While the incidence and re-injury rates of lateral ankle sprain (LAS) continue to persist at high rates across many sporting activities, further exploration of assessment and treatment beyond the traditional ligamentous and strength/proprioceptive model is warranted. Further, assessing and treating both arthrokinematic and osteokinematic changes associated with LAS can provide insight into a more diverse approach to treating ankle pathology. OBJECTIVE: To examine the clinical use of the Mulligan Concept MWM while treating patients diagnosed with an acute grade I or II LAS through authentic patient care...
November 11, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27825180/-reproducibility-and-bilateral-symmetry-of-maximal-isokinetic-trunk-rotation-strength-in-healthy-and-active-male-adults
#9
K Mattes, S Manzer, Y Kianmarz, J Paasch
Movements with axial trunk rotation are associated with spinal disease and back pain and may lead to several bilateral adaptations of the trunk muscles, which are another risk factor for back pain. To avoid injury and pain, a targeted preventative training should be implemented to preserve symmetrical strength/forces. The effect analysis of such an intervention requires reliable strength tests to document training progress and enable a clinical assessment. This study aimed to determine the reproducibility of an isokinetic test protocol for maximal trunk rotation strength and the verification of left/right differences of the maximum strength of trunk rotation muscles and hand grip strength...
November 8, 2016: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/27822169/the-effect-of-six-days-of-dietary-nitrate-supplementation-on-performance-in-trained-crossfit-athletes
#10
Samuel J Kramer, Daniel A Baur, Maria T Spicer, Matthew D Vukovich, Michael J Ormsbee
BACKGROUND: While it is well established that dietary nitrate reduces the metabolic cost of exercise, recent evidence suggests this effect is maintained 24 h following the final nitrate dose when plasma nitrite levels have returned to baseline. In addition, acute dietary nitrate was recently reported to enhance peak power production. Our purpose was to examine whether chronic dietary nitrate supplementation enhanced peak power 24 h following the final dose and if this impacted performance in a heavily power-dependent sport...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27813683/shoulder-rotator-strength-range-of-motion-and-acromiohumeral-distance-in-asymptomatic-adolescent-volleyball-attackers
#11
Gulcan Harput, Hande Guney, Ugur Toprak, Tunca Kaya, Fatma Filiz Colakoglu, Gul Baltaci
CONTEXT: Sport-specific adaptations at the glenohumeral joint could occur in adolescent athletes because they start participating in high-performance sports in early childhood. OBJECTIVE: To investigate shoulder-rotator strength, internal-rotation (IR) and external-rotation (ER) range of motion (ROM), and acromiohumeral distance (AHD) in asymptomatic adolescent volleyball attackers to determine if they have risk factors for injury. DESIGN: Cross-sectional study...
September 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27807521/assessment-of-isokinetic-muscle-function-in-korea-male-volleyball-athletes
#12
Chang-Gyun Kim, Bog Ja Jeoung
Volleyball players performed numerous repetitions of spike actions, which uses and requires strong and explosive force, and control of the muscles of the shoulder, lower back, and legs. Muscle imbalance is one of the main causes of sport injuries. The purpose of this study was to assess isokinetic muscle functions in male volleyball players. We thus aim to accurately evaluate their muscle functions, and identify the best training strategy to achieve optimal muscle strength balance in future training programs...
October 2016: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/27806009/tapering-practices-of-croatian-open-class-powerlifting-champions
#13
Jozo Grgic, Pavle Mikulic
The aim of this study was to explore tapering practices among 10 Croatian open-class powerlifting champions (mean ± SD: age 29.2 ± 3.2 years; Wilks coefficient 355.1 ± 54.8). The athletes were interviewed about their tapering practices using a semi-structured interview, after which the audio content was transcribed. The athletes reported decreasing training volume during the taper by 50.5 ± 11.7% using a step type or an exponential type of taper with a fast decay. Training intensity was maintained or increased during the taper, and it reached its highest values 8 ± 3 days before the competition...
October 27, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27792217/recreational-football-training-improved-health-related-physical-fitness-in-9-to-10-year-old-boys
#14
Jin Wang, Liquan Cao, Pengfei Xie, Jianxiong Wang
BACKGROUND: Recreational football is an aerobic/anaerobic intermittent sport with altering exercise periods at high or low intensity. Various football drills and body movement in this exercise may easily attract children to take part in. The purpose of this study was to test the hypothesis that recreational football training would improve the health-related physical fitness in healthy 9- to 10-year-old boys, compared to the outcome from non-exercise boys. METHODS: Forty boys were randomly allocated into the football and control groups...
October 28, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27776080/relationship-between-individualized-training-impulse-and-aerobic-fitness-measures-in-hurling-players-across-a-training-period
#15
Shane Malone, Kieran Collins
Malone, S and Collins, K. Relationship between individualized training impulse and aerobic fitness measures in Hurling players across a training period. J Strength Cond Res 30(11): 3140-3145, 2016-The current study examined the association between individual internal training load (individualized training impulse, iTRIMP) and aerobic fitness variables in male hurling players. Twenty hurling players (age, 25.5 ± 3.2 years; height, 178.9 ± 3.2 cm; body mass, 78.5 ± 4.5 kg) performed treadmill testing for V[Combining Dot Above]O2max, running economy (RE), and the speed at blood lactate concentrations of 2 mmol·L (S2) and 4 mmol·L (S4) on separate occasions before and after an 8-week training period...
November 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27770784/effects-of-two-neuromuscular-training-programs-on-running-biomechanics-with-load-carriage-a-study-protocol-for-a-randomised-controlled-trial
#16
Bernard X W Liew, Susan Morris, Justin W L Keogh, Brendyn Appleby, Kevin Netto
BACKGROUND: In recent years, athletes have ventured into ultra-endurance and adventure racing events, which tests their ability to race, navigate, and survive. These events often require race participants to carry some form of load, to bear equipment for navigation and survival purposes. Previous studies have reported specific alterations in biomechanics when running with load which potentially influence running performance and injury risk. We hypothesize that a biomechanically informed neuromuscular training program would optimize running mechanics during load carriage to a greater extent than a generic strength training program...
October 22, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27766157/the-physiological-musculoskeletal-and-psychological-effects-of-stand-up-paddle-boarding
#17
Ben Schram, Wayne Hing, Mike Climstein
BACKGROUND: Stand up paddle boarding (SUP) is a rapidly growing sport and recreational activity where anecdotal evidence exists for its proposed health, fitness and injury rehabilitation benefits. While limited scientific evidence exists to substantiate these claims, previous studies have shown that high levels of fitness, strength and balance exists amongst participants of this sport. The purpose of this study was to conduct a training intervention on a group of previously untrained individuals to ascertain the potential of SUP on various health parameters...
2016: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27761219/personal-trainer-demographics-current-practice-trends-and-common-trainee-injuries
#18
Gregory R Waryasz, Alan H Daniels, Joseph A Gil, Vladimir Suric, Craig P Eberson
Increasing emphasis on maintaining a healthy lifestyle has led many individuals to seek advice on exercise from personal trainers. There are few studies to date that evaluate personal trainer education, practice trends, and injuries they have seen while training clients. A survey was distributed to personal trainers using Survey Monkey® (Palo Alto, CA, USA) with 605 personal trainers accessing the survey. An exercise related bachelor's degree was held by 64.2% of survey participants and a certification in personal training by 89...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27724179/psycho-physiological-response-in-an-automatic-parachute-jump
#19
Vicente Javier Clemente-Suárez, José Juan Robles-Pérez, Jesús Fernández-Lucas
Parachute jump is an extreme activity that elicits an intense stress response that affects jumpers' body systems being able to put them at risk. The present research analysed modifications in blood oxygen saturation (BOS), heart rate (HR), cortisol, glucose, lactate, creatine kinase (CK), muscles strength, cortical arousal, autonomic modulation, pistol magazine reload time (PMRT) and state anxiety before and after an automatic open parachute jump in 38 male Spanish soldiers (25.6 ± 5.9 years). A MANOVA with samples as a fixed factor and Effect Size (ES) were conducted...
October 11, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27710150/dietary-protein-intake-and-distribution-patterns-of-well-trained-dutch-athletes
#20
Jenna B Gillen, Jorn Trommelen, Floris C Wardenaar, Naomi Y J Brinkmans, Joline J Versteegen, Kristin L Jonvik, Christoph Kapp, Jeanne de Vries, Joost J G C van den Borne, Martin J Gibala, Luc J C van Loon
Dietary protein intake should be optimized in all athletes to ensure proper recovery and enhance the skeletal muscle adaptive response to exercise training. In addition to total protein intake, the use of specific protein-containing food sources and the distribution of protein throughout the day are relevant for optimizing protein intake in athletes. In the present study, we examined the daily intake and distribution of various protein-containing food sources in a large cohort of strength, endurance and team-sport athletes...
October 6, 2016: International Journal of Sport Nutrition and Exercise Metabolism
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