scholarly journals Treinamento de Força para Atletas de Elite em Provas de Endurance/Resistance Training for Elite Athletes in Endurance Events

1970 ◽  
Vol 2 (1) ◽  
pp. 74-80
Author(s):  
Charles Ricardo Lopes ◽  
Márcio Antônio Gonçalves Sindorf ◽  
Gustavo Ribeiro da Mota ◽  
Marcelo de Castro Cesar
Keyword(s):  
Resistance Training ◽  
Oxygen Uptake ◽  
Paradigm Shift ◽  
Elite Athletes ◽  
Endurance Performance ◽  
The Other ◽  
Power Training ◽  
Distance Runners ◽  
Training Performance ◽  
Economy Of Movement

O objetivo deste estudo foi revisar trabalhos que investigaram os efeitos do treinamento de força (TF) para o desempenho de endurance. Os principais fatores fisiológicos determinantes das provas de endurance (PE) são o consumo máximo de oxigênio (VO2max), o limiar anaeróbio (LAn) e a economia de movimento (EM). Ambos VO2max e LAn são bem estimulados com meios e métodos tradicionais de treinamento e essas duas variáveis parecem ser pouco sensíveis ao TF em pessoas treinadas. Por outro lado, a EM pode ser aperfeiçoada com o TF, mesmo em indivíduos bem treinados em endurance. Portanto, concluímos que o TF colabora para a melhora na endurance, por meio do incremento da EM, e esses resultados sugerem mudança de paradigma na periodização do treinamento de PE. Palavras chave: fundistas; treinamento de potência; exercícios com pesos; performance.  The aim of this study was to review studies that analyzed the effects of resistance training (RT) on endurance performance. The main physiological determinants of endurance events is the maximal oxygen uptake (VO2max), anaerobic threshold (AT) and economy of movement (EM). Both, VO2max and AT, are very encouraged with the means and traditional methods of training and these two variables appear to be few sensitive to people already trained in RT. On the other hand, EM can be improved with the RT even in endurance-trained individuals. Therefore, we conclude that RT contributes to the improvement in endurance, through the increase in EM, and these results suggest a paradigm shift in periodization training of endurance events. Key words: distance runners; power training; resistance training; performance.

Effect of High-Intensity Resistance Training on Performance of Competitive Distance Runners

2006 ◽  
Vol 1 (1) ◽  
pp. 40-49 ◽  
Author(s):  
Ryan J. Hamilton ◽  
Carl D. Paton ◽  
William G. Hopkins
Keyword(s):  
Resistance Training ◽  
High Intensity ◽  
Lactate Threshold ◽  
Time Trial ◽  
Interval Training ◽  
Endurance Performance ◽  
Control Group ◽  
Distance Runners ◽  
Running Speed ◽  
Experimental Group

In a recent study competitive road cyclists experienced substantial gains in sprint and endurance performance when sessions of high-intensity interval training were added to their usual training in the competitive phase of a season. The current study reports the effect of this type of training on performance of 20 distance runners randomized to an experimental or control group for 5 to 7 weeks of training. The experimental group replaced part of their usual competitive-phase training with 10 × 30-minute sessions consisting of 3 sets of explosive single-leg jumps (20 for each leg) alternating with 3 sets of resisted treadmill sprints (5 × 30-second efforts alternating with 30-second recovery). Before and after the training period all runners completed an incremental treadmill test for assessment of lactate threshold and maximum running speed, 2 treadmill runs to exhaustion for prediction of 800- and 1500-m times, and a 5-km outdoor time trial. Relative to the control group, the mean changes (±90% confidence limits) in the experimental group were: maximum running speed, 1.8% (± 1.1%); lactate-threshold speed, 3.5% (±3.4%); predicted 800-m speed, 3.6% (± 1.8%); predicted 1500-m speed, 3.7% (± 3.0%); and 5-km time-trial speed, 1.2% (± 1.1%). We conclude that high-intensity resistance training in the competitive phase is likely to produce beneficial gains in performance for most distance runners.

Epilogue

2018 ◽  
Author(s):  
José van
Keyword(s):  
Paradigm Shift ◽  
Information Age ◽  
The Other ◽  
The European Union ◽  
Checks And Balances ◽  
The Us ◽  
Autocratic Regime ◽  
Digital Strategy ◽  
National Governments ◽  
State Interference

The epilogue sketches a few scenarios on potential geopolitical consequences of the global paradigm shift toward multiple online platform “spheres.” Currently, the neoliberal US-based platform ecosystem dominates. This ecosystem revolves around the promotion of individualism and minimal state interference, leaving checks and balances to the market. On the other end of the ideological spectrum is the Chinese ecosystem, in which the autocratic regime controls the platform ecosystem via regulated censorship of tech corporations. Squeezed between the US and the Chinese models is the European Union, whose member states neither own nor operate any major platforms in either ecosystem. For European democracies to survive in the information age, its cities, national governments, and supranational legislature need to collaborate on a blueprint for a common digital strategy toward markets and public sectors.

Micro- and Nano-instrument Power

2006 ◽  
Vol 973 ◽  
Author(s):  
Vassili Karanassios
Keyword(s):  
Signal Processing ◽  
Chemical Analysis ◽  
Data Acquisition ◽  
Cancer Diagnosis ◽  
Paradigm Shift ◽  
The Other ◽  
Paradigm Shifts ◽  
Comparable Performance ◽  
Wireless Interface ◽  
Capsule Size

ABSTRACTFor the last several years, we have been developing and characterizing “mobile” micro- and nano-instruments for use on-site (e.g., in the field). Although such portable, battery-operated instruments are much smaller that their laboratory-scale counterparts, sometimes they provide comparable performance and they often offer improved capabilities. As such, they are expected to cause a paradigm shift in classical chemical analysis by allowing practioners to “bring the lab (or part of it) to the sample”. Two classes of examples will be used as the means with which to illustrate the power of micro- and nano-instruments. One class involves a “patient” as the sample and an ingestible capsule-size spectrometer used for cancer diagnosis of the gastro intestinal tack as (part of) “the lab”. The other involves the “environment” as the sample and a portable, battery-operated, miniaturized instrument that utilizes a PalmPilot™ with a wireless interface for data acquisition and signal processing as (part of) “the lab”. To discuss how to electrically power such miniaturized instruments, mobile energy issues will be addressed. Particular emphasis will be paid to current or anticipated future applications and to the paradigm shifts that may prove essential in powering the next generation of miniaturized instruments.

Effects of Velocity Loss Threshold Within Resistance Training During Concurrent Training on Endurance and Strength Performance

2020 ◽  
pp. 1-9
Author(s):  
Miguel Sánchez-Moreno ◽  
David Rodríguez-Rosell ◽  
David Díaz-Cueli ◽  
Fernando Pareja-Blanco ◽  
Juan José González-Badillo
Keyword(s):  
Resistance Training ◽  
Oxygen Uptake ◽  
Maximal Oxygen Uptake ◽  
Vertical Jump ◽  
Treadmill Running ◽  
Concurrent Training ◽  
Endurance Running ◽  
Loading Test ◽  
Significant Group ◽  
Group Time

Purpose: This study analyzed the effects of 3 training interventions: 1 isolated endurance training (ET) and 2 concurrent training (CT), which differed in the velocity loss (VL) magnitude allowed during the resistance training (RT) set: 15% (VL15) versus 45%, on strength and endurance running performance. Methods: A total of 33 resistance- and endurance-trained men were randomly allocated into 3 groups: VL15, VL 45%, and ET. ET was similar across all groups. The CT groups differed in the VL allowed during the RT set. Before and after the 8-week training program the following tests were performed: (1) running sprints, (2) vertical jump, (3) progressive loading test in the squat exercise, and (4) incremental treadmill running test up to maximal oxygen uptake. Results: Significant differences (P < .001) in RT volume (approximately 401 vs 177 total repetitions for VL 45% and VL15, respectively) were observed. Significant “group” × “time” interactions were observed for vertical jump and all strength-related variables: the CT groups attained significantly greater gains than ET. Moreover, a significant “group” × “time” interaction (P = .03) was noted for velocity at maximal oxygen uptake. Although all groups showed increases in velocity at maximal oxygen uptake, the VL15 group achieved greater gains than the ET group. Conclusions: CT interventions experienced greater strength gains than the ET group. Although all groups improved their endurance performance, the VL15 intervention resulted in greater gains than the ET approach. Therefore, moderate VL thresholds in RT performed during CT could be a good strategy for concurrently maximizing strength and endurance development.

scholarly journals Physiological factors affecting performance in elite distance runners

2016 ◽  
Vol 22 ◽  
pp. 7 ◽  
Author(s):  
Leif Inge Tjelta ◽  
Shaher A. I. Shalfawi
Keyword(s):  
Oxygen Uptake ◽  
Energy System ◽  
Running Economy ◽  
Distance Runners ◽  
Energy Contribution ◽  
Physiological Factors ◽  
Factors Affecting ◽  
Air Resistance ◽  
Factors Affecting Performance ◽  
Response To Exercise

Running distances from 3000 m to the marathon (42 195 m) are events dominated by energy contribution of the aerobic energy system. The physiological factors that underlie success in these running events are maximal oxygen uptake (VO2max), running economy (RE), the utilization of the maximum oxygen uptake (%VO2max) and velocity at the anaerobic threshold (vAT). VO2max for distance runners competing on an international level has been between 70 and 87 ml/kg/min in men, and between 60 and 78.7 ml/kg/min in women, respectively. Due to lack of air resistance, laboratory testing of RE and vAT are recommended to be conducted on treadmill with 1% slope. %VO2max are in most studies expressed as the average fractional utilization of VO2max at vAT. Much of the current understanding regarding the response to exercise is based on studies of untrained and moderately trained individuals. To use this knowledge to give training recommendations to elite runners is hardly valid. Researchers should therefore exercise caution when giving training recommendations to coaches and elite distance runners based on limited available research.

scholarly journals Does Metabolic Rate Increase Linearly with Running Speed in all Distance Runners?

2017 ◽  
Vol 02 (01) ◽  
pp. E1-E8 ◽  
Author(s):  
Matthew Batliner ◽  
Shalaya Kipp ◽  
Alena Grabowski ◽  
Rodger Kram ◽  
William Byrnes
Keyword(s):  
Oxygen Uptake ◽  
Metabolic Rate ◽  
Perceived Exertion ◽  
Running Economy ◽  
Rating Of Perceived Exertion ◽  
Distance Runners ◽  
Cost Of Transport ◽  
Linear Relationships ◽  
Distance Running Performance ◽  
Elite Runners

AbstractRunning economy (oxygen uptake or metabolic rate for running at a submaximal speed) is one of the key determinants of distance running performance. Previous studies reported linear relationships between oxygen uptake or metabolic rate and speed, and an invariant cost of transport across speed. We quantified oxygen uptake, metabolic rate, and cost of transport in 10 average and 10 sub-elite runners. We increased treadmill speed by 0.45 m·s−1 from 1.78 m·s−1 (day 1) and 2.01 m·s−1 (day 2) during each subsequent 4-min stage until reaching a speed that elicited a rating of perceived exertion of 15. Average runners’ oxygen uptake and metabolic rate vs. speed relationships were best described by linear fits. In contrast, the sub-elite runners’ relationships were best described by increasing curvilinear fits. For the sub-elites, oxygen cost of transport and energy cost of transport increased by 12.8% and 9.6%, respectively, from 3.58 to 5.14 m·s−1. Our results indicate that it is not possible to accurately predict metabolic rates at race pace for sub-elite competitive runners from data collected at moderate submaximal running speeds (2.68–3.58 m·s−1). To do so, metabolic rate should be measured at speeds that approach competitive race pace and curvilinear fits should be used for extrapolation to race pace.

scholarly journals Neither Beetroot Juice Supplementation nor Increased Carbohydrate Oxidation Enhance Economy of Prolonged Exercise in Elite Race Walkers

Nutrients ◽  
2021 ◽  
Vol 13 (8) ◽  
pp. 2767
Author(s):  
Louise M. Burke ◽  
Rebecca Hall ◽  
Ida A. Heikura ◽  
Megan L. Ross ◽  
Nicolin Tee ◽  
...  
Keyword(s):  
Elite Athletes ◽  
Endurance Performance ◽  
Beetroot Juice ◽  
Future Studies ◽  
Exercise Economy ◽  
Parallel Group ◽  
Performance Effects ◽  
Race Walking ◽  
The Impact ◽  
Current Guidelines

Given the importance of exercise economy to endurance performance, we implemented two strategies purported to reduce the oxygen cost of exercise within a 4 week training camp in 21 elite male race walkers. Fourteen athletes undertook a crossover investigation with beetroot juice (BRJ) or placebo (PLA) [2 d preload, 2 h pre-exercise + 35 min during exercise] during a 26 km race walking at speeds simulating competitive events. Separately, 19 athletes undertook a parallel group investigation of a multi-pronged strategy (MAX; n = 9) involving chronic (2 w high carbohydrate [CHO] diet + gut training) and acute (CHO loading + 90 g/h CHO during exercise) strategies to promote endogenous and exogenous CHO availability, compared with strategies reflecting lower ranges of current guidelines (CON; n = 10). There were no differences between BRJ and PLA trials for rates of CHO (p = 0.203) or fat (p = 0.818) oxidation or oxygen consumption (p = 0.090). Compared with CON, MAX was associated with higher rates of CHO oxidation during exercise, with increased exogenous CHO use (CON; peak = ~0.45 g/min; MAX: peak = ~1.45 g/min, p < 0.001). High rates of exogenous CHO use were achieved prior to gut training, without further improvement, suggesting that elite athletes already optimise intestinal CHO absorption via habitual practices. No differences in exercise economy were detected despite small differences in substrate use. Future studies should investigate the impact of these strategies on sub-elite athletes’ economy as well as the performance effects in elite groups.

Verification phase as a useful tool in the determination of the maximal oxygen uptake of distance runners

2006 ◽  
Vol 31 (5) ◽  
pp. 541-548 ◽  
Author(s):  
Adrian W. Midgley ◽  
Lars R. McNaughton ◽  
Sean Carroll
Keyword(s):  
Heart Rate ◽  
Oxygen Uptake ◽  
Maximal Oxygen Uptake ◽  
Peak Oxygen Uptake ◽  
Treadmill Running ◽  
Distance Runners ◽  
Peak Heart Rate ◽  
Incremental Test ◽  
Volitional Exhaustion

This study investigated the utility of a verification phase for increasing confidence that a “true” maximal oxygen uptake had been elicited in 16 male distance runners (mean age (±SD), 38.7  (± 7.5 y)) during an incremental treadmill running test continued to volitional exhaustion. After the incremental test subjects performed a 10 min recovery walk and a verification phase performed to volitional exhaustion at a running speed 0.5 km·h–1 higher than that attained during the last completed stage of the incremental phase. Verification criteria were a verification phase peak oxygen uptake ≤ 2% higher than the incremental phase value and peak heart rate values within 2 beats·min–1 of each other. Of the 32 tests, 26 satisfied the oxygen uptake verification criterion and 23 satisfied the heart rate verification criterion. Peak heart rate was lower (p = 0.001) during the verification phase than during the incremental phase, suggesting that the verification protocol was inadequate in eliciting maximal values in some runners. This was further supported by the fact that 7 tests exhibited peak oxygen uptake values over 100 mL·min–1 (≥ 3%) lower than the peak values attained in the incremental phase. Further research is required to improve the verification procedure before its utility can be confirmed.

scholarly journals FILSAFAT ILMU KARL R. POPPER DAN THOMAS S. KUHN SERTA IMPLIKASINYA DALAM PENGAJARAN ILMU

HUMANIKA ◽  
2015 ◽  
Vol 22 (2) ◽  
pp. 39
Author(s):  
Slamet Subekti
Keyword(s):  
Science Education ◽  
Philosophy Of Science ◽  
Paradigm Shift ◽  
Role Models ◽  
Teaching And Learning ◽  
The Other ◽  
Other Hand ◽  
Puzzle Solving ◽  
Similarities And Differences ◽  
Practice Of Science

This article discusses about philosophy of science according to Karl R. Popper and Thomas S. Kuhn. There are similarities and differences between their views about how progress and what function of science.Apparently both Popper and Kuhn agree that science does not proceed by induction. However Kuhn disagrees with the view that science progresses by falsifiability through conjectures and refutations, but occurance by paradigm shift. Popper and Kuhn’s disagreement amounted to a distinction between two functions within the practice of science, one of criticism (Popper) and one of puzzle solving (Kuhn).Science education implies the teaching and learning of science interesting and fruitful in one hand, and teachers should be role models to students in the other hand

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