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Endurance Fitness

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https://www.readbyqxmd.com/read/29139646/physical-fitness-and-digit-ratio-2d-4d-in-male-students-from-wroc%C3%A5-aw-poland
#1
Slawomir Koziel, Marek Kociuba Mail, Raja Chakraborty, Zofia Ignasiak
There is sex-difference in humans as regards aerobic efficiency, physical strength and endurance and the sex difference is greatly dependent upon differential concentration of testosterone during different phases of growth and development including the intrauterine phase or prenatal growth. Second-to-fourth digit lengths ratio (2D:4D) is an putative indicator of prenatal testosterone exposure. Lower 2D:4D indicates higher prenatal testosterone exposure and vice versa. Males generally have lower 2D:4D than females...
March 2017: Collegium Antropologicum
https://www.readbyqxmd.com/read/29136482/impact-of-an-elementary-school-based-intervention-on-physical-activity-time-and-aerobic-capacity-georgia-2013-2014
#2
Hayley A Braun, Christi M Kay, Patricia Cheung, Paul S Weiss, Julie A Gazmararian
OBJECTIVES: The objectives of this study were to (1) determine the impact of a 1-year elementary school physical activity intervention on changes in teacher-reported school-based physical activity time and (2) assess the relationship between these changes and changes in student aerobic capacity. METHODS: HealthMPowers, a nonprofit organization, provided a multicomponent physical activity intervention to 3479 students in 39 schools in Georgia during 2013-2014. HealthMPowers administered a survey to faculty members before (August 2013) and after (May 2014) the intervention to measure student physical activity times...
November 2017: Public Health Reports
https://www.readbyqxmd.com/read/29130051/the-effect-of-a-12-week-health-training-program-on-selected-anthropometric-and-biochemical-variables-in-middle-aged-women
#3
Wanda Pilch, Łukasz Tota, Ewa Sadowska-Krępa, Anna Piotrowska, Magdalena Kępińska, Tomasz Pałka, Adam Maszczyk
Regular moderate physical activity positively affects health, fitness, and body composition; it regulates the pro- and anti-inflammatory cytokines levels. Vitamin D plays an important regulatory role; its adequate levels correlate with low values of inflammation markers and an increase in muscle strength and fitness in exercising people. The study's aim was to evaluate changes in somatic variables, oxidative stress, and inflammation markers, as well as blood calcidiol concentration in middle-aged healthy women after 12 weeks of aerobics classes-endurance exercises, including choreographic sequences, aiming to improve fitness and motor coordination...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29126396/feasibility-of-structured-endurance-training-and-mediterranean-diet-in-brca1-and-brca2-mutation-carriers-an-interventional-randomized-controlled-multicenter-trial-libre-1
#4
Marion Kiechle, Ricarda Dukatz, Maryam Yahiaoui-Doktor, Anika Berling, Maryam Basrai, Vera Staiger, Uwe Niederberger, Nicole Marter, Jacqueline Lammert, Sabine Grill, Katharina Pfeifer, Kerstin Rhiem, Rita K Schmutzler, Matthias Laudes, Michael Siniatchkin, Martin Halle, Stephan C Bischoff, Christoph Engel
BACKGROUND: Women with pathogenic BRCA germline mutations have an increased risk for breast and ovarian cancer that seems to be modified by life-style factors. Though, randomized trials investigating the impact of lifestyle interventions on cancer prevention and prognosis in BRCA carriers are still missing. METHODS: We implemented a multicenter, prospective randomized controlled trial in BRCA1/2 patients, comparing a lifestyle intervention group (IG) with a control group (CG) with the primary aim to prove feasibility...
November 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29122957/diminished-dynamic-cerebral-autoregulatory-capacity-with-forced-oscillations-in-mean-arterial-pressure-with-elevated-cardiorespiratory-fitness
#5
Lawrence Labrecque, Kevan Rahimaly, Sarah Imhoff, Myriam Paquette, Olivier Le Blanc, Simon Malenfant, Samuel J E Lucas, Damian M Bailey, Jonathan D Smirl, Patrice Brassard
The effect that cardiorespiratory fitness has on the dynamic cerebral autoregulatory capacity during changes in mean arterial pressure (MAP) remains equivocal. Using a multiple-metrics approach, challenging MAP across the spectrum of physiological extremes (i.e., spontaneous through forced MAP oscillations), we characterized dynamic cerebral autoregulatory capacity in 19 male endurance athletes and eight controls via three methods: (1) onset of regulation (i.e., time delay before an increase in middle cerebral artery (MCA) conductance [MCA blood velocity (MCAv)/MAP] and rate of regulation, after transient hypotension induced by sit-to-stand, and transfer function analysis (TFA) of MAP and MCAv responses during (2) spontaneous and (3) forced oscillations (5-min of squat-stand maneuvers performed at 0...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29120983/assessing-differences-in-anthropometric-and-fitness-characteristics-between-police-academy-cadets-and-incumbent-officers
#6
Robin Orr, J Jay Dawes, Rodney Pope, Joseph Terry
The physical fitness of police officers must be developed in new cadets and sustained in incumbent officers. The aims of this study were to profile and compare the anthropometric and fitness characteristics of police academy cadets and incumbent officers of varying ages from a single police force. Retrospective data for 84 police academy cadets (♂=66, mean age=27.96±5.73 yrs; ♀=18, mean age=30.50±5.76 yrs) and 80 incumbent police officers (♂=73, mean age=39.43±8.28 yrs; ♀=7, mean age=37.86±3.67 yrs) were compiled...
November 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29120978/effect-of-load-carriage-on-tactical-performance-in-swat-operators
#7
J Matthew Thomas, Michael B Pohl, Robert Shapiro, Jason Keeler, Mark G Abel
Special Weapons and Tactics (SWAT) operators are specially trained personnel that are required to carry equipment to perform high risk tasks. Given the need to carry this equipment, it is important to understand the potentially deleterious effect that the additional load may have on tactical performance. Furthermore, it is important to identify physical fitness characteristics that are associated with the potential decrement in performance. Therefore, the purpose of this study was to evaluate the effect of load carriage on tactical physical ability and marksmanship, and to identify fitness characteristics associated with any decrement in performance...
November 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29116989/the-influence-of-body-mass-on-physical-fitness-test-performance-in-male-firefighter-applicants
#8
Devin B Phillips, Michael P Scarlett, Stewart R Petersen
OBJECTIVE: The influence of body mass on test performance was investigated in 414 male firefighter applicants who completed a maximal treadmill test and five task-simulation tests while dressed in fire protective ensemble. METHODS: Subjects were assigned to six mass categories from less than 70 kg to more than 110 kg, in 10 kg increments (n = 69 in each). RESULTS: Treadmill performance was lower (P < 0.05) in the two heaviest groups...
November 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29114532/changes-in-physical-fitness-and-body-composition-according-to-the-physical-activities-of-korean-adolescents
#9
Minsoo Cho, Ji-Youn Kim
This study comparatively analyzed obesity, lean balance, and physical fitness related to growth and development in female middle school students to investigate the importance of regular physical activity on body composition and physical fitness in adolescence. The subjects were 31 elementary school students in grades 5-6 in Seoul, consisting of 16 students in the regularly active group and 15 students in the inactive group. Body composition and physical fitness factors were measured. Height, weight, body mass index (BMI), fat mass, and fat-free mass were measured using Inbody 3...
October 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29111863/multicomponent-exercise-intervention-and-metacognition-in-obese-preadolescents-a-randomized-controlled-study
#10
Feng-Tzu Chen, Su-Ru Chen, I-Hua Chu, Jen-Hao Liu, Yu-Kai Chang
This study examines the effect of a 12-week multicomponent exercise intervention on metacognition among preadolescents with obesity. Seventy-five preadolescents were randomly assigned to either a multicomponent exercise group or a reading control group. An exercise intervention consisting of a jumping rope was utilized to develop multifaceted fitness features, with each session lasting for 75 min and three sessions being conducted per week for 12 weeks. Results revealed significant interactions between group and time point for cardiovascular fitness, muscular endurance, flexibility, and power, as well as for Tower of London task measures, including total move score, total executive time, and total planning-solving time, with better postintervention performances achieved by the exercise group...
November 7, 2017: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/29111629/effects-of-muay-thai-training-frequency-on-body-composition-and-physical-fitness-in-healthy-untrained-women
#11
Jeniffer A de S Rapkiewicz, João P Nunes, Jerry L Mayhew, Alex Silva Ribeiro, Hellen C Garcez Nabuco, Maria T Fávero, Emerson Franchini, Matheus Amarante do Nascimento
BACKGROUND: The purpose of the study was to compare the effects of different frequencies of Muay Thai training on body composition, and physical fitness in healthy untrained women. METHODS: Twenty women were randomly assigned to one of two training groups: G2X (n = 9) performed Muay Thai twice a week, while G3X (n = 11) performed the same program three times a week, both for 13 weeks. Anthropometric dimensions, fat-free mass, fat mass, resting metabolic rate, VO2 max, upper-body and abdominal muscle endurance, explosive leg power, agility, flexibility, and dietary intake were measured at pre and post-training...
November 7, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29100826/sex-and-age-differences-in-physical-performance-a-comparison-of-army-basic-training-and-operational-populations
#12
Esther O Dada, Morgan K Anderson, Tyson Grier, Joseph A Alemany, Bruce H Jones
OBJECTIVES: To determine the age- and sex-specific differences of physical fitness performances and Body Mass Index (BMI) in basic training and the operational Army. DESIGN: Cross-sectional Study. METHODS: This secondary analysis utilizes retrospective surveys of U.S. Army Soldiers in Basic Combat Training (BCT) and operational units to compare physical performances between men and women as measured by the Army Physical Readiness Test (APFT)...
October 18, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29099231/effects-of-high-intensity-intermittent-training-on-vascular-function-in-obese-preadolescent-boys
#13
Napasakorn Chuensiri, Daroonwan Suksom, Hirofumi Tanaka
BACKGROUND: High-intensity intermittent training (HIIT) may serve as an effective alternative to traditional endurance training, since HIIT has been shown to induce greater improvements in aerobic fitness and health-related markers in adult populations. Our objective was to determine whether HIIT and supramaximal high-intensity intermittent training (supra-HIIT) would improve vascular structure and function in obese preadolescent boys. METHODS: Before the baseline testing, 48 obese preadolescent boys, aged 8-12 years, were randomly assigned into control (CON; n = 16), HIIT (8 × 2 minutes at 90% peak power output, n = 16), and supra-HIIT (8 × 20 seconds at 170% peak power output, n = 16) groups...
November 3, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/29098871/design-of-antihistaminic-transdermal-films-based-on-alginate-chitosan-polyelectrolyte-complexes-characterization-and-permeation-studies
#14
Sonia Lefnaoui, Nadji Moulai-Mostefa, Madiha M Yahoum, Sarah N Gasmi
The purpose of this study was to develop suitable matrix type transdermal drug delivery systems of Ketotifen fumarate (KF) as antiasthmatic drugs. Chitosan-alginate polyelectrolyte complex (PEC) films were used as drug release regulators for KF. Antihistaminic films with variable PEC compositions were prepared using different ratios of chitosan (CTS) to sodium alginate (ALG). Propylene glycol (PG) was used as plasticizer; Tween 80 (T80) and Span 20 (S20) were used as permeability enhancers. Nine formulations were obtained by film casting method and characterized in terms of weight uniformity, thickness, folding endurance, moisture lost, and moisture absorption...
November 3, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/29098620/clinical-evidence-of-exercise-benefits-for-stroke
#15
Peipei Han, Wen Zhang, Li Kang, Yixuan Ma, Liyuan Fu, Liye Jia, Hairui Yu, Xiaoyu Chen, Lin Hou, Lu Wang, Xing Yu, Masahiro Kohzuki, Qi Guo
Even though stroke is the third, not the first, most common cause of disability-adjusted life years in developed countries, it is one of the most expensive to treat. Part of the expense is due to secondary problems in the post-stroke period including: cognition, memory, attention span, pain, sensation loss, psychological issues, and problems with mobility and balance. Research has identified that exercise has both positive physical and psychosocial effects for post-stroke patients. Therefore, this scientific statement provides an overview on exercise rehabilitation for post-stroke patients...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29097329/two-day-fasting-evokes-stress-but-does-not-affect-mood-brain-activity-cognitive-psychomotor-and-motor-performance-in-overweight-women
#16
Rima Solianik, Artūras Sujeta
The physiological, cognitive state, and motor behavior changes that occur during acute fasting are not completely understood. Thus, the aim of this study was to estimate the effect of 2-day total fasting on evoked stress, mood, brain activity, and cognitive, psychomotor, and motor function in overweight women. Eleven overweight women (body mass index above 25kg/m(2)) aged 20-30 years were tested under two conditions allocated randomly: 2-day zero-calorie diet with water provided ad libitum and 2-day usual diet...
October 31, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29091527/comparing-class-based-and-home-based-exercise-for-older-adults-with-chronic-health-conditions-12-month-follow-up-of-a-randomized-clinical-trial
#17
Koren L Fisher, Bruce A Reeder, Elizabeth L Harrison, Brenda G Bruner, Nigel L Ashworth, Punam Pahwa, Nazmi Sari, M Suzanne Sheppard, Christopher A Shields, Karen E Chad
OBJECTIVE: To assess the maintenance of physical activity (PA) and health gains among participants in a class-based (CB) or home-based (HB) PA intervention over a 12-month study period. METHODS: 172 adults over age 50 were randomly allocated to either a CB or HB intervention, each involving an intensive 3-month phase with 9 months follow-up. Measures at baseline, 3, 6 and 12 months included: self-reported PA and health, body mass index (BMI), waist circumference (WC), blood pressure, cardiovascular endurance (6MWT), physical function, and functional fitness (SFT)...
November 1, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/29076960/effects-of-combined-strength-and-endurance-training-on-physical-performance-and-biomarkers-of-healthy-young-women
#18
Heikki KyrÖlÄinen, Anthony C Hackney, Riikka Salminen, Johanna Repola, Keijo HÄkkinen, Jari Haimi
Cardiovascular fitness has decreased and obesity has increased in youth-adults world-wide during the last ten years. Therefore, there is an urgent need to find out optimal exercise training programs for improving physical performance and health outcomes, especially, among sedentary women. Subjects were 25-30-year-old females with very low physical activity, and 65 % of them were overweight (BMI >25). They performed endurance and strength training three times a week for nine weeks. Independent strength training and instructed endurance training by indoor cycling were prescribed...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29072037/excess-post-exercise-oxygen-consumption-and-fat-oxidation-in-recreationally-trained-men-following-exercise-of-equal-energy-expenditure-comparisons-of-spinning-and-constant-endurance-exercise
#19
Marcin Luszczyk, Damian J Flis, Ilona Szadejko, Radoslaw Laskowski, Wieslaw Ziolkowski
BACKGROUNDː Spinning exercise is one of the most popular types of exercise in fitness industry. Its effects on the post exercise metabolism compared to the isocaloric cyclic endurance exercise are not fully understood. The aim of the present study was to compare the effects of isocaloric (299.1 ± 10.8 kcal) spinning vs endurance exercise on fat and carbohydrate utilization, glucose, lactate, glycerol and NEFA blood concentration during exercise and recovery. METHODSː Six recreationally active males (age: 23...
October 24, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29072025/does-small-sided-games-training-improve-physical-fitness-and-specific-skills-for-team-sports-a-systematic-review-with-meta-analysis
#20
Amri Hammami, Tim J Gabbett, Maamer Slimani, Ezdine Bouhlel
INTRODUCTION: This paper aimed to systematically review and meta-analyse the training effects of small-sided games (SSG) on physical fitness and specific skills related to team sport according to the level of play and the period of the season. EVIDENCE ACQUISITION: The search covered the following electronic databases (PubMed, Google Scholar, and ScienceDirect). The publications' search period ranged from 2000 to 2016. The terms (small- sided game, training, skill-based game, aerobic fitness, sprint, agility, jump and team sports) were used either singularly or combined in a systematic sequence...
October 24, 2017: Journal of Sports Medicine and Physical Fitness
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