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aerobic endurance

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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
#1
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/28445078/effects-of-high-intensity-interval-training-on-canoeing-performance
#2
Ming-Ta Yang, Mien-Mien Lee, Shu-Ching Hsu, Kuei-Hui Chan
The purpose of this study was to compare the effects of high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) utilizing a canoeing ergometer on endurance determinants, as well as aerobic and anaerobic performances among flat-water canoeists. Fourteen well-trained male flat-water canoeists were divided into an HIIT group or an MICT group. All subjects performed a continuous graded exercise test (GXT) and three fixed-distance (200, 500, and 1000 m) performance tests on a canoeing ergometer to determine canoeing economy, peak oxygen uptake (VO2peak), and power at VO2peak, and to calculate the critical velocity (CV) and anaerobic work capacity before and after the training programmes...
April 26, 2017: European Journal of Sport Science
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
#3
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
https://www.readbyqxmd.com/read/28425231/the-relationship-between-physical-fitness-and-falling-risk-and-fear-of-falling-in-community-dwelling-elderly-people-with-different-physical-activity-levels
#4
Mehmet Duray, Arzu Genç
BACKGROUND/AIM: The aim of this research was to determine the effects of physical activity level (PAL) and physical fitness on falling parameters in community-dwelling elderly people. MATERIALS AND METHODS: Seventy-six elderly people were grouped as low PAL group (group 1, n: 38) and high PAL (group 2, n: 38) according to their PAL scores. PAL was measured by the Physical Activity Scale for the Elderly and muscle strength, muscle endurance, aerobic endurance, and flexibility tests were applied; body mass index (BMI) was calculated for physical fitness measurement...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28406700/moderate-exercise-based-on-artificial-gravity-preserves-orthostatic-tolerance-and-exercise-capacity-during-short-term-head-down-bed-rest
#5
Xiao-Tao Li, Chang-Bin Yang, Yong-Sheng Zhu, Jing Sun, Fei Shi, Yong-Chun Wang, Yuan Gao, Jiang-Dong Zhao, Xi-Qing Sun
Numerous countermeasures have been proposed to minimize microgravity-induced physical deconditioning, but their benefits are limited. The present study aimed to investigate whether personalized aerobic exercise based on artificial gravity (AG) mitigates multisystem physical deconditioning. Fourteen men were assigned to the control group (n=6) and the countermeasure group (CM, n=8). Subjects in the CM group were exposed to AG (2Gz at foot level) for 30 min twice daily, during which time cycling exercise of 80-95% anaerobic threshold (AT) intensity was undertaken...
April 12, 2017: Physiological Research
https://www.readbyqxmd.com/read/28399624/effect-of-respiratory-muscle-training-on-pulmonary-function-and-aerobic-endurance-in-soccer-players
#6
Tarik Ozmen, Gokce Y Gunes, Ilyas Ucar, Hanife Dogan, Tuba U Gafuroglu
BACKGROUND: Few studies investigated the effects of the respiratory muscle training (RMT) in soccer although exhaustive high intensity exercise is known to lead to muscle fatigue in respiratory muscles. The purpose of this study was to investigate the effect of RMT on pulmonary function and aerobic endurance in soccer players. METHODS: Eighteen male soccer players (mean age 22.2±1.4 years) participated in this study. Participants were assigned randomly to either an RMT or a control (CON) group...
May 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28399621/aerobic-synergized-exercises-may-improve-fall-related-physical-fitness-in-older-adults
#7
Yu-Chen Chang, Jung-Der Wang, Ho-Cheng Chen, Susan C Hu
BACKGROUND: The purpose of the present study was to determine whether a synergistic exercise model based on aerobics with additional fall-preventive components could provide extra benefits compared with the same duration of aerobic-synergistic exercise alone. METHODS: A total of 102 adults aged 65 years and over from three geographically separated communities were assigned to three groups: the general aerobic exercise (GAE) group (N.=44), the GAE plus ball game group (BG group; N...
May 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28399076/effects-of-a-10-day-intensive-health-promotion-program-combining-diet-and-physical-activity-on-body-composition-physical-fitness-and-blood-factors-of-young-adults-a-randomized-pilot-study
#8
Kyoung Soon Lee, Jae Koo Lee, Young Ran Yeun
BACKGROUND A lifestyle characterized by poor eating habits and physical inactivity is a risk factor for multiple lifestyle diseases in young adults. This study assessed the effects of implementing an intensive 10-day health promotion program combining diet and physical activities on body composition, physical fitness, and biochemical parameters of young adults. MATERIAL AND METHODS In this randomized pilot study, 30 female undergraduate students were randomly allocated to an intervention and a control group...
April 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28385556/high-intensity-interval-training-for-maximizing-health-outcomes
#9
REVIEW
Trine Karlsen, Inger-Lise Aamot, Mark Haykowsky, Øivind Rognmo
Regular physical activity and exercise training are important actions to improve cardiorespiratory fitness and maintain health throughout life. There is solid evidence that exercise is an effective preventative strategy against at least 25 medical conditions, including cardiovascular disease, stroke, hypertension, colon and breast cancer, and type 2 diabetes. Traditionally, endurance exercise training (ET) to improve health related outcomes has consisted of low- to moderate ET intensity. However, a growing body of evidence suggests that higher exercise intensities may be superior to moderate intensity for maximizing health outcomes...
April 3, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/28384426/simultaneously-occurring-elevated-metabolic-states-expose-constraints-in-maximal-levels-of-oxygen-consumption-in-the-oviparous-snake-lamprophis-fuliginosus
#10
Alexander Garrett Schavran Jackson, Szu-Yun Leu, James W Hicks
African house snakes (Lamprophis fuliginosus) were used to compare the metabolic increments associated with reproduction, digestion, and activity both individually and when combined simultaneously. Rates of oxygen consumption ([Formula: see text]) and carbon dioxide production ([Formula: see text]) were measured in adult female (nonreproductive and reproductive) and adult male snakes during rest, digestion, activity while fasting, and postprandial activity. We also compared the endurance time (i.e., time to exhaustion) during activity while fasting and postprandial activity in males and females...
May 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28382606/exercise-strategies-to-counteract-brain-aging-effects
#11
Dominika Szalewska, Marek Radkowski, Urszula Demkow, Pawel J Winklewski
Stimulating structural and functional adaptation that improves cognitive performance in specific tasks is the major objective of therapeutic exercise training. In this review we briefly summarize central physiological mechanisms activated by exercise. We further discuss the influence of different kinds of exercise on cognitive improvement. In particular, the effects on cognitive function of aerobic endurance, resistance and respiratory exercise, and combinations thereof are presented. The accumulating evidence reinforces the position that regular aerobic, and possibly also resistance training, offers a powerful tool to cope with biologic aging of central nervous system functions...
April 6, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28382529/a-comparison-of-methods-for-determining-the-ventilatory-threshold-implications-for-surgical-risk-stratification
#12
Baruch Vainshelboim, Shravan Rao, Khin Chan, Ricardo M Lima, Euan A Ashley, Jonathan Myers
PURPOSE: The ventilatory threshold (VT) is an objective physiological marker of the capacity of aerobic endurance that has good prognostic applications in preoperative settings. Nevertheless, determining the VT can be challenging due to physiological and methodological issues, especially in evaluating surgical risk. The purpose of the current study was to compare different methods of determining VT and to highlight the implications for assessing perioperative risk. METHODS: Our study entailed analysis of 445 treadmill cardiopulmonary exercise tests from 140 presurgical candidates with an aortic abdominal aneurysm (≥3...
April 5, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28377791/effect-of-a-12-week-summer-break-on-school-day-physical-activity-and-health-related-fitness-in-low-income-children-from-cspap-schools
#13
You Fu, Timothy A Brusseau, James C Hannon, Ryan D Burns
Background. The purpose of this study was to examine the effect of a 12-week summer break on school day physical activity and health-related fitness (HRF) in children from schools receiving a Comprehensive School Physical Activity Program (CSPAP). Methods. Participants were school-aged children (N = 1,232; 624 girls and 608 boys; mean age = 9.5 ± 1.8 years) recruited from three low-income schools receiving a CSPAP. Physical activity and HRF levels were collected during the end of spring semester 2015 and again during the beginning of fall semester 2015...
2017: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/28370836/lower-limb-muscle-function-is-a-determinant-of-exercise-tolerance-after-lung-resection-surgery-in-patients-with-lung-cancer
#14
Chris Burtin, Frits M E Franssen, Lowie E G W Vanfleteren, Miriam T J Groenen, Emiel F M Wouters, Martijn A Spruit
BACKGROUND AND OBJECTIVE: This study aims to investigate the association between exercise tolerance, pulmonary function and lower-limb muscle function in patients with lung cancer who underwent lung resection surgery in the previous year. METHODS: Sixty-four patients (age: 67 ± 11 years, 66% males) performed a symptom-limited incremental cycle test to define peak oxygen consumption (VO2 peak) and peak workload (Wpeak). The best of two 6-min walking distance (6MWD) tests was also included...
March 30, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28367416/effects-of-a-4-week-aerobic-exercise-on-lipid-profile-and-expression-of-lxr%C3%AE-in-rat-liver
#15
Fatemeh Kazeminasab, Mohammad Marandi, Kamran Ghaedi, Fahimeh Esfarjani, Jamal Moshtaghian
OBJECTIVE: Liver X receptors (LXRs) are ligand-activated transcription factors of the nuclear hormonal receptor superfamily which modulate the expression of genes involved in cholesterol homeostasis. Hence, further unraveling of the molecular function of this gene may be helpful in preventing cardiovascular diseases. MATERIALS AND METHODS: This experimental intervention study included twelve adult Wistar male rats (12-14 weeks old, 200-220 g) which were divided into the control (n=6) and training (n=6) groups...
April 2017: Cell Journal
https://www.readbyqxmd.com/read/28359614/effectiveness-of-a-balance-focused-exercise-program-for-enhancing-functional-fitness-of-older-adults-at-risk-of-falling-a-randomised-controlled-trial
#16
Yanan Zhao, Pak-Kwong Chung, Tom K Tong
This study examined the effectivenss of a balance-focused training program (i.e., Exercise for Balance Improvement Program, ExBP) in improving functional fitness of older nonfallers at risk of falling. Sixty-one participants were randomly assigned to receive 16 weeks of ExBP or Tai Chi (TC) training, or no treatment (CON) with an 8-week follow-up. The Senior Fitness Test battery was applied to assess functional fitness. After the intervention, results revealed significant improvements in all fitness components in the ExBP group...
March 27, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28338837/associations-of-leukocyte-telomere-length-with-aerobic-and-muscular-fitness-in-young-adults
#17
Dylan M Williams, Jessica L Buxton, Marko T Kantomaa, Tuija H Tammelin, Alexandra I F Blakemore, Marjo-Riitta Järvelin
Decline in both telomere length and physical fitness over the life course may contribute to increased risk of several chronic diseases. The relationship between telomere length and aerobic and muscular fitness is not well characterized. We examined whether there are cross-sectional associations of mean relative leukocyte telomere length (LTL) with objective measures of aerobic fitness, muscle strength, and muscle endurance, using data on 31-year-old participants of the Northern Finland Birth Cohort 1966 (n = 4,952-5,205, varying by exposure-outcome analysis)...
April 1, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28332025/endurance-aerobic-high-intensity-and-repeated-sprint-cycling-performance-is-unaffected-by-normobaric-live-high-train-low-a-double-blind-placebo-controlled-cross-over-study
#18
Jacob Bejder, Andreas Breenfeldt Andersen, Rie Buchardt, Tanja Hultengren Larsson, Niels Vidiendal Olsen, Nikolai Baastrup Nordsborg
The aim was to investigate whether 6 weeks of normobaric "Live High-Train Low" (LHTL) using altitude tents affect highly trained athletes incremental peak power, 26-km time-trial cycling performance, 3-min all-out performance, and 30-s repeated sprint ability. In a double-blinded, placebo-controlled cross-over design, seven highly trained triathletes were exposed to 6 weeks of normobaric hypoxia (LHTL) and normoxia (placebo) for 8 h/day. LHTL exposure consisted of 2 weeks at 2500 m, 2 weeks at 3000 m, and 2 weeks at 3500 m...
May 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28325109/feasibility-and-effects-of-a-combined-adjuvant-high-intensity-interval-strength-training-in-breast-cancer-patients-a-single-center-pilot-study
#19
Sebastian Viktor Waldemar Schulz, Roman Laszlo, Stephanie Otto, Dmytro Prokopchuk, Uwe Schumann, Florian Ebner, Jens Huober, Jürgen Michael Steinacker
PURPOSE: To evaluate feasibility of an exercise intervention consisting of high-intensity interval endurance and strength training in breast cancer patients. METHODS: Twenty-six women with nonmetastatic breast cancer were consecutively assigned to the exercise intervention- (n= 15, mean age 51.9 ± 9.8 years) and the control group (n = 11, mean age 56.9 ± 7.0 years). Cardiopulmonary exercise testing that included lactate sampling, one-repetition maximum tests and a HADS-D questionnaire were used to monitor patients both before and after a supervised six weeks period of either combined high-intensity interval endurance and strength training (intervention group, twice a week) or leisure training (control group)...
March 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28323305/exercise-to-reduce-work-related-fatigue-among-employees-a-randomized-controlled-trial
#20
Juriena D de Vries, Madelon Lm van Hooff, Sabine Ae Guerts, Michiel Aj Kompier
Objectives The present study evaluated the efficacy of an exercise intervention to reduce work-related fatigue (emotional exhaustion, overall fatigue, and need for recovery). The effects of exercise on self-efficacy, sleep, work ability, cognitive functioning and aerobic fitness (secondary outcomes) were also investigated. Methods Employees with high levels of work-related fatigue were randomly assigned to either a 6-week exercise intervention (EI; N=49) or a wait-list control group (WLC; N=47). All participants were measured pre- (T0) and post-intervention (T1)...
March 21, 2017: Scandinavian Journal of Work, Environment & Health
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