cycle training
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2021 ◽  
Vol 2136 (1) ◽  
pp. 012058
Author(s):  
Junchi Zhao ◽  
Yao Wang ◽  
Fengtong Liu

Abstract Reuse of retired aircraft is an intuitive manifestation of the effective combined development of the aviation industry and the circular economy, which involves the conversion of passenger aircraft to cargo and aircraft dismantling. In the new era, it shows the characteristics of intensive development of technology and capital. According to the operation scale of China’s aircraft in recent years, with the improvement of scientific research and technology, the number of aircraft fleets is also growing continuously, and the corresponding number of retired aircraft is also increasing every year, which proves that the development of China’s retired aircraft reuse industry has a very broad prospect. Therefore, on the basis of understanding the current global trend of aircraft life-cycle training and utilization, this paper calculates the FA model based on the potential output value of the retired aircraft recycling industry based on the FA-SD model, analyzes the empirical analysis and prediction of the evaluation model of the retired aircraft recycling potential, and identifies the effective measures for future development.


Author(s):  
Sofiya Nikolaeva

The article is devoted to the structure and content descriptionof the professional cycle training discipline of the future doctorof philosophy in the field of 01 Education / Pedagogy, specialty011 Educational, pedagogical sciences. In particular, the needto teach this discipline to graduate students studying in thisspecialty is justified. It is recommended to include it in thecurriculum of the first year of study. The goals of teaching thisdiscipline and the competencies that future doctors of philosophyin the field of education should master are defined: integral,general and professional. The main goals are formulated asawareness of graduate students of the need and importance ofscientific communication in professional activities, systematizationof knowledge about the possibilities of scientific communicationin the modern world, the formation of skills to publish researchresults in various forms and genres, preparing graduate studentsto write and defend dissertations. The expected results ofpostgraduate training in this discipline are specified. There aretwo content modules of the discipline, consisting of lectures andpractical classes, as well as independent extracurricular workof applicants for higher education.


Author(s):  
Jorge Perez-Gomez ◽  
Nicolai Rytter ◽  
Camilla M. Mandrup ◽  
Jon Egelund ◽  
Bente Stallknecht ◽  
...  

The influence of the menopausal transition, with a consequent loss of oestrogen, on capillary growth in response to exercise training remains unknown. In the present study, we evaluated the effect of a period of intense endurance training on skeletal muscle angiogenesis in late pre-menopausal and recently post-menopausal women with an age difference of <4 years. Skeletal muscle biopsies were obtained from the thigh muscle prior to and after 12 weeks of intense aerobic cycle training, and analyzed for capillarization, fiber type distribution and content of vascular endothelial growth factor (VEGF). At baseline, there was no difference in capillary per fiber ratio (C:F; 1.41 ± 0.22 vs 1.40 ± 0.30), capillary density (CD; 305±61 vs 336±52 mm2), muscle fiber area (MFA) or percentage distribution of muscle fiber type I (47.3±10.1 vs 49.3±15.1 %) and type II (52.7±10.1 vs 50.7±15.1%) between the pre- and post-menopausal women. The training period resulted in a similar increase in C:F in pre- and post-menopausal women (by 9.2 vs 12.1 %, respectively) and CD (by 6.9 vs 8.9 %, respectively), whereas MFA and fiber type distribution remained unaltered. Skeletal muscle VEGF protein content was similar between groups at baseline and increased to a similar extent with training (by 21.1 vs 27.2 %, respectively) in the pre- and post-menopausal women. In conclusion, the loss of oestrogen per se at menopause does not influence the capillary growth response to intense aerobic exercise training.


Author(s):  
Teresa Kasprzyk ◽  
Agata Stanek ◽  
Karolina Sieroń-Stołtny ◽  
Armand Cholewka

The thermoregulation mechanisms during the physical effort can be easily study by using the thermovision. The thermoregulation mechanisms in human body keep the body core temperature on basic level 37 ± 2 oC. However, the question is if there are any differences in skin surface temperature distribution between trainee sportsmen and amateur. Is there any possibility to show the sportsman level of practise using the thermal imaging? Would it be possible to evaluate the efficiency of athlete or evaluate the level of sports possibilities in average amateur who just wants to start cycle training. To find how the thermoregulation mechanisms work the different measurements were done i.e. during the cyclist endurance test for group of male cyclist (intermediate level of cycling skill) and during the Aerobic Circuit Training (ACT) for trainee and amateur group of women.


Sports ◽  
2020 ◽  
Vol 8 (9) ◽  
pp. 123
Author(s):  
Alan Chorley ◽  
Kevin L. Lamb

The two-parameter critical power (CP) model is a robust mathematical interpretation of the power–duration relationship, with CP being the rate associated with the maximal aerobic steady state, and W′ the fixed amount of tolerable work above CP available without any recovery. The aim of this narrative review is to describe the CP concept and the methodologies used to assess it, and to summarize the research applying it to intermittent cycle training techniques. CP and W′ are traditionally assessed using a number of constant work rate cycling tests spread over several days. Alternatively, both the 3-min all-out and ramp all-out protocols provide valid measurements of CP and W′ from a single test, thereby enhancing their suitability to athletes and likely reducing errors associated with the assumptions of the CP model. As CP represents the physiological landmark that is the boundary between heavy and severe intensity domains, it presents several advantages over the de facto arbitrarily defined functional threshold power as the basis for cycle training prescription at intensities up to CP. For intensities above CP, precise prescription is not possible based solely on aerobic measures; however, the addition of the W′ parameter does facilitate the prescription of individualized training intensities and durations within the severe intensity domain. Modelling of W′ reconstitution extends this application, although more research is needed to identify the individual parameters that govern W′ reconstitution rates and their kinetics.


Author(s):  
Chun Hou Wun ◽  
Mandy Jiajia Zhang ◽  
Boon Hor Ho ◽  
Kenneth McGeough ◽  
Frankie Tan ◽  
...  

Background: The aim of this study was to evaluate the efficacy of a six-week dispersed Wingate Anaerobic test (WAnT) cycle exercise training protocol on peak aerobic power (VO2peak), isokinetic leg strength, insulin sensitivity, lipid profile and quality of life, in healthy adults. Methods: We conducted a match-controlled cohort trial and participants were assigned to either the training (intervention, INT, N = 16) or non-training (control, CON, N = 17) group. INT performed 30-s WAnT bouts three times a day in the morning, afternoon and evening with each bout separated by ~4 h of rest, performed for 3 days a week for 6 weeks. Criterion measures of peak oxygen uptake (VO2peak), leg strength, insulin markers such as homeostatic model assessment (HOMA) and quantitative insulin-sensitivity check index (QUICKI), blood lipids profile and health-related quality of life (HRQL) survey were assessed before and after 6 weeks in both groups. Results: Absolute VO2peak increased by 8.3 ± 7.0% (p < 0.001) after INT vs. 0.9 ± 6.1% in CON (p = 0.41) group. Maximal voluntary contraction at 30°·s−1 of the dominant lower-limb flexors in INT increased significantly post-training (p = 0.03). There were no changes in the INT individuals’ other cardiorespiratory markers, HOMA, QUICKI, blood lipids, and HRQL measures (all p > 0.05) between pre- and post-training; but importantly, no differences were observed between INT and CON groups (all p > 0.05). Conclusions: The results indicate that 6 weeks of dispersed sprint cycle training increased cardiorespiratory fitness and dynamic leg strength but had minimal impact on insulin sensitivity, blood lipids and quality of life in the exercising individuals.


2020 ◽  
Vol 276 ◽  
pp. 103414 ◽  
Author(s):  
Jean Bourbeau ◽  
Riany De Sousa Sena ◽  
Tanja Taivassalo ◽  
Ruddy Richard ◽  
Dennis Jensen ◽  
...  

2020 ◽  
Vol 16 ◽  
pp. 100815
Author(s):  
Ailsa McKay ◽  
Anna Goodman ◽  
Esther van Sluijs ◽  
Christopher Millett ◽  
Anthony A. Laverty

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