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https://www.readbyqxmd.com/read/28549046/associations-of-physical-fitness-and-body-composition-characteristics-with-simulated-military-task-performance
#1
K Pihlainen, M Santtila, K Häkkinen, H Kyröläinen
The purpose of the present study was to evaluate the associations of physical fitness and body composition characteristics with anaerobic endurance performance, tested in the combat load using the occupationally relevant military simulation test (MST). Eighty-one male soldiers, deployed to a crisis management operation in the Middle East, volunteered for the study and participated in a test battery consisting measurements of muscle strength, body composition characteristics, endurance capacity, and MST.A Spearman correlational analysis revealed that the strongest variable, correlated with MST time, was the countermovement jump performed with the combat load (CMJ2) (rs = -0...
May 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28539050/functional-capacities-of-polish-adults-of-60-87-years-and-risk-of-losing-functional-independence
#2
Zofia Ignasiak, Teresa Sławinska, Anna Skrzek, Krystyna Rożek, Sławomir Kozieł, Pawel Posłuszny, Robert M Malina
AIM: To characterise the functional capacities of Polish men and women aged 60-87 years and evaluate their status relative to criteria for functional independence. SUBJECTS AND METHODS: Four hundred and thirty-one women and 125 men, aged 60-87 years, who were residents of Wrocław, southwestern Poland, were recruited. Height and weight were measured and BMI was calculated. The Fullerton Functional Fitness Test was administered to test upper and lower body strength, upper and lower body flexibility, agility-dynamic balance and aerobic endurance...
May 24, 2017: Annals of Human Biology
https://www.readbyqxmd.com/read/28538328/a-systematic-review-of-the-association-between-physical-fitness-and-musculoskeletal-injury-risk-part-1-cardiorespiratory-endurance
#3
Peter J Lisman, Sarah J de la Motte, Timothy C Gribbin, Dianna P Jaffin, Kaitlin Murphy, Patricia A Deuster
Lisman, PJ, de la Motte, SJ, Gribbin, TC, Jaffin, DP, Murphy, K, and Deuster, PA. A systematic review of the association between physical fitness and musculoskeletal injury risk: part 1-cardiorespiratory endurance. J Strength Cond Res 31(6): 1744-1757, 2017-Musculoskeletal injuries (MSK-Is) are a significant health problem for both military and athletic populations. Research indicates that MSK-I is associated with physical fitness; however, the association between specific components of physical fitness and MSK-I in military and athletic populations has not been systematically examined...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28538324/physical-fitness-reference-standards-in-french-youth-the-bouge-program
#4
Jérémy Vanhelst, Julien Labreuche, Laurent Béghin, Elodie Drumez, Paul S Fardy, Didier Chapelot, Jacques Mikulovic, Zékya Ulmer
Vanhelst, J, Julien, JL, Beghin, L, Drumez, E, Fardy, PS, Chapelot, D, Mikulovic, J, and Ulmer, Z. Physical fitness reference standards in French youth: The BOUGE program. J Strength Cond Res 31(6): 1709-1718, 2017-The aim of this study was to establish sex- and age-specific physical fitness percentiles in French youth. A sample of 11,186 children and adolescents (5,546 boys and 5,640 girls), aged between 10 and 15 years, was assessed in the French national BOUGE study. Participants were tested for their cardiorespiratory fitness, muscular endurance, speed, flexibility, and agility using the following tests: 20-m shuttle run tests, curl-ups test, 50-m sprint test, back-saver sit and reach test, and 10 × 5-m shuttle run test...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28524725/a-sport-education-fitness-season-s-impact-on-students-fitness-levels-knowledge-and-in-class-physical-activity
#5
Jeffery Kurt Ward, Peter A Hastie, Danielle D Wadsworth, Shelby Foote, Sheri J Brock, Nikki Hollett
PURPOSE: The purpose of this study was to determine the extent to which a sport education season of fitness could provide students with recommended levels of in-class moderate-to-vigorous physical activity (MVPA) while also increasing students' fitness knowledge and fitness achievement. METHOD: One hundred and sixty-six 5th-grade students (76 boys, 90 girls) participated in a 20-lesson season called "CrossFit Challenge" during a 4-week period. The Progressive Aerobic Cardiovascular Endurance Run, push-ups, and curl-ups tests of the FITNESSGRAM® were used to assess fitness at pretest and posttest, while fitness knowledge was assessed through a validated, grade-appropriate test of health-related fitness knowledge (HRF)...
May 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28507196/health-benefits-of-exercise
#6
Gregory N Ruegsegger, Frank W Booth
Overwhelming evidence exists that lifelong exercise is associated with a longer health span, delaying the onset of 40 chronic conditions/diseases. What is beginning to be learned is the molecular mechanisms by which exercise sustains and improves quality of life. The current review begins with two short considerations. The first short presentation concerns the effects of endurance exercise training on cardiovascular fitness, and how it relates to improved health outcomes. The second short section contemplates emerging molecular connections from endurance training to mental health...
May 15, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28507194/molecular-basis-of-exercise-induced-skeletal-muscle-mitochondrial-biogenesis-historical-advances-current-knowledge-and-future-challenges
#7
Christopher G R Perry, John A Hawley
We provide an overview of groundbreaking studies that laid the foundation for our current understanding of exercise-induced mitochondrial biogenesis and its contribution to human skeletal muscle fitness. We highlight the mechanisms by which skeletal muscle responds to the acute perturbations in cellular energy homeostasis evoked by a single bout of endurance-based exercise and the adaptations resulting from the repeated demands of exercise training that ultimately promote mitochondrial biogenesis through hormetic feedback loops...
May 15, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28503529/regular-physical-education-class-enhances-sociality-and-physical-fitness-while-reducing-psychological-problems-in-children-of-multicultural-families
#8
Jae-Wan Park, Seong-Hwan Park, Chang-Mo Koo, Denny Eun, Kang-Ho Kim, Chan-Bok Lee, Joung-Hyun Ham, Jeong-Hoon Jang, Yong-Seok Jee
This study investigated the influence of physical education class (PEC) as an intervention method for aggression, sociality, stress, and physical fitness levels in children from multicultural families. The hypothesis was that participating in PEC would result in reduced aggression and stress and improved sociality and physical fitness in multicultural children. A three-item questionnaire, a body composition test, and physical fitness tests were given three times. Eighty-four subjects were divided into four groups: multicultural children who participated in PEC (multi-PEG, n=12), multicultural children who did not participate in PEC (multi-NPEG, n=13), single-cultural children who participated in PEC (sing-PEG, n=11), and single-cultural children who did not participate in PEC (sing-NPEG, n=12), respectively...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28500352/whole-mantle-convection-with-tectonic-plates-preserves-long-term-global-patterns-of-upper-mantle-geochemistry
#9
T L Barry, J H Davies, M Wolstencroft, I L Millar, Z Zhao, P Jian, I Safonova, M Price
The evolution of the planetary interior during plate tectonics is controlled by slow convection within the mantle. Global-scale geochemical differences across the upper mantle are known, but how they are preserved during convection has not been adequately explained. We demonstrate that the geographic patterns of chemical variations around the Earth's mantle endure as a direct result of whole-mantle convection within largely isolated cells defined by subducting plates. New 3D spherical numerical models embedded with the latest geological paleo-tectonic reconstructions and ground-truthed with new Hf-Nd isotope data, suggest that uppermost mantle at one location (e...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28486015/muscular-and-cardiorespiratory-fitness-in-homeschool-versus-public-school-children
#10
Laura S Kabiri, Katy Mitchell, Wayne Brewer, Alexis Ortiz
PURPOSE: The growth and unregulated structure of homeschooling creates an unknown population in regard to muscular and cardiorespiratory fitness. The purpose of this research was to compare muscular and cardiorespiratory fitness between elementary school aged homeschool and public school children. METHOD: Homeschool children ages 8-11 years old (n=75) completed the curl-up, 90° push-up, and Progressive Aerobic Capacity Endurance Run (PACER) portions of the FitnessGram® to assess abdominal and upper body strength and endurance as well as cardiorespiratory fitness...
May 9, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28480693/factors-determining-800-m-running-performance-in-young-male-athletes
#11
Ramon Cruz, Romulo C de Moraes Bertuzzi, Danilo L Alves, Rafael Azevedo, Phelipe H Cardoso Castro, Jefferson Verbena Freitas, Adriano E Lima-Silva, Fernando R de Oliveira, Jorge R Perrout Lima
BACKGROUND: The aim of the present study was to identify determinant variables on 800-m running performance in young male athletes derived from field tests and biological maturity. METHODS: A total of 89 athletes, aged between 13 and 15 years old, performed a 800-m running trial and a battery of tests which involved anthropometric measurements, a running anaerobic test (RAST), a flexibility test (sit-and-reach), a counter movement jump test and progressive test for aerobic fitness evaluation...
May 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28475643/a-combination-of-routine-blood-analytes-predicts-fitness-decrement-in-elderly-endurance-athletes
#12
Helmuth Haslacher, Franz Ratzinger, Thomas Perkmann, Delgerdalai Batmyagmar, Sonja Nistler, Thomas M Scherzer, Elisabeth Ponocny-Seliger, Alexander Pilger, Marlene Gerner, Vanessa Scheichenberger, Michael Kundi, Georg Endler, Oswald F Wagner, Robert Winker
Endurance sports are enjoying greater popularity, particularly among new target groups such as the elderly. Predictors of future physical capacities providing a basis for training adaptations are in high demand. We therefore aimed to estimate the future physical performance of elderly marathoners (runners/bicyclists) using a set of easily accessible standard laboratory parameters. To this end, 47 elderly marathon athletes underwent physical examinations including bicycle ergometry and a blood draw at baseline and after a three-year follow-up period...
2017: PloS One
https://www.readbyqxmd.com/read/28469754/effects-of-the-off-season-period-on-field-and-assistant-soccer-referees-physical-performance
#13
Daniel Castillo, Jesús Cámara, Carlo Castagna, Javier Yanci
The evolution of referees' physical fitness has been studied over one or several seasons, however, the variation of the physical performance between the end of the competitive season (T1) and the start of the following pre-season (T2) has not been ascertained. Therefore, the aim of this study was to analyze the effects of the transition period on physical performance variables (i.e. linear straight sprint, change of direction ability and endurance) in National Soccer Division referees. Forty-five Spanish referees volunteered to participate in this study...
February 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28468260/6mwt-performance-and-its-correlations-with-vo%C3%A2-and-handgrip-strength-in-home-dwelling-mid-aged-and-older-chinese
#14
Qing Zhang, Hailin Lu, Shiqin Pan, Yuan Lin, Kun Zhou, Li Wang
Six-minute walk test (6MWT) performance is more commonly used in clinic patients with chronic cardiopulmonary diseases but not in home-dwelling individuals of similar age, and its correlations with oxygen uptake (VO₂) and muscle strength require further investigation. The current study determined the 6MWT performance of 106 home-dwelling residents (mean age of 62 years) in Suzhou, China. VO₂ at a respiratory exchange ratio (R) of 1 was measured through graded cycling exercise tests on 46 participants. Handgrip strength of all participants was tested...
April 29, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28459794/effectiveness-of-a-16-week-high-intensity-cardio-resistance-training-hicrt-program-in-adults
#15
Tina A Greenlee, Daniel R Greene, Nathan J Ward, Ginger E Reeser, Courtney M Allen, Nicholas W Baumgartner, Neal J Cohen, Arthur F Kramer, Charles H Hillman, Aron K Barbey
The purpose of this study was to determine the efficacy of a novel, 16-week High-Intensity Cardio-Resistance Training (HICRT) program on measures of aerobic fitness, agility, aerobic power, muscular endurance, lower body explosive power, and self-reported activity level. The intervention group (N=129; 63 f, 24.65±5.55 y) had a baseline VO2max of 39.83±9.13. These individuals participated in 26, 70-minute exercise sessions, and 4 fitness testing sessions. Participants were matched with a non-exercise control group, paired by sex, age, and baseline VO2max...
April 26, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28454531/the-health-oriented-pedagogical-project-hopp-a-controlled-longitudinal-school-based-physical-activity-intervention-program
#16
Per Morten Fredriksen, Ole Petter Hjelle, Asgeir Mamen, Trine J Meza, Ane C Westerberg
BACKGROUND: The prevalence of non-communicable diseases (NCDs) is increasing worldwide, also among children. Information about primary prevention of NCD's is increasing; however, convincing strategies among children is needed. The present paper describes the design and methods in the Health Oriented Pedagogical Project (HOPP) study. The main objective is to evaluate the effects of a school-based physical activity intervention program on cardio-metabolic risk factors. Secondary objectives include assessment of physical, psychological and academic performance variables...
April 28, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28452644/self-management-and-yoga-for-older-adults-with-chronic-stroke-a-mixed-methods-study-of-physical-fitness-and-physical-activity
#17
Jennifer Dickman Portz, Emily Waddington, Karen E Atler, Marieke Van Puymbroeck, Arlene A Schmid
OBJECTIVE: This study investigated changes in physical fitness and physical activity among older patients with chronic stroke (stroke ≥ 6 months previous) after participation in a yoga infused self-management intervention. METHODS: A mixed-methods secondary data analysis examined quantitative measures of endurance, strength, and gait speed and qualitative perspectives of intervention participants. RESULTS: Based on Wilcoxon analysis, physical fitness outcome measures including endurance and lower and upper body strength significantly (p < ...
November 1, 2016: Clinical Gerontologist
https://www.readbyqxmd.com/read/28445229/a-cross-sectional-and-retrospective-cohort-analysis-of-the-effects-of-age-on-flexibility-strength-endurance-lower-body-power-and-aerobic-fitness-in-law-enforcement-officers
#18
Robert G Lockie, J Jay Dawes, Charles L Kornhauser, Ryan J Holmes
There can be a great age range in cohorts of law enforcement officers. As the tasks required of officers generally do not change with advancing age, it is important to understand how physical performance in tests that assess job-specific characteristics may be altered. Retrospective analysis of performance test data for 383 officers (362 males, 21 females) was conducted. The tests included: sit-and-reach to determine hamstring and lower back flexibility; maximal push-up and sit-up repetitions in 60 s to measure muscle endurance; vertical jump (VJ) to assess lower-body power; and 2...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28444615/polygenic-study-of-endurance-associated-genetic-markers-ace-i-d-actn3-arg-r-577ter-x-ckmm-a-g-ncoi-and-enos-glu-g-298asp-t-in-male-gorkha-soldiers
#19
Seema Malhotra, Kiran Preet, Arvind Tomar, Shweta Rawat, Sayar Singh, Inderjeet Singh, L Robert Varte, Tirthankar Chatterjee, M S Pal, Soma Sarkar
BACKGROUND: Gorkhas, a sub-mountainous population of the Himalayan region, are known for strength and bravery. In the present study when "Gorkha" is used without brackets, we are mentioning Gorkhas of Tibeto-Burman origin. Physical capability, strength and endurance are important components of fitness associated with genetic traits. The aim of this study was to examine the endurance potential of male Gorkha soldiers, based on endurance-related genetic markers ACE I/D, ACTN3 Arg (R)577Ter(X), CKMM A/G NcoI and eNOS Glu(G)298Asp(T)...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28442803/effects-of-fitness-training-on-physical-fitness-parameters-and-quality-of-life-in-human-immunodeficiency-virus-positive-indian-females
#20
Renuka Patil, Apurv Shimpi, Savita Rairikar, Ashok Shyam, Parag Sancheti
PURPOSE: Highly active antiretroviral therapy has significantly extended survival of human immunodeficiency virus (HIV) infected patients. These drugs suppress replication of HIV but at the same time, have many physical and mental side effects which may affect daily activities of the patients. The present study assessed if moderate intensity exercise program helped in enhancing the physical fitness and quality of life (QoL) in HIV positive females which may reduce the comorbidities associated with the disease and medications...
January 2017: Indian Journal of Sexually Transmitted Diseases
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