Gotowe bibliografie tematyczne / PowerCranks

Gotowa bibliografia na temat „PowerCranks”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 29 stycznia 2023

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Artykuły w czasopismach na temat "PowerCranks"

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Fiolo, Nicholas, Lee Taylor i Angela R. Hillman. "The Effects Of Powercranks™ Cross-training On Running Performance". Medicine & Science in Sports & Exercise 46 (maj 2014): 949. http://dx.doi.org/10.1249/01.mss.0000496352.70190.b2.

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Luttrell, M. D., i J. A. Potteiger. "EFFECTS OF POWERCRANKS TRAINING ON CARDIOVASCULAR FITNESS AND CYCLING EFFICIENCY". Medicine & Science in Sports & Exercise 33, nr 5 (maj 2001): S271. http://dx.doi.org/10.1097/00005768-200105001-01530.

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LUTTRELL, MARK D., i JEFFREY A. POTTEIGER. "Effects of Short-Term Training Using Powercranks on Cardiovascular Fitness and Cycling Efficiency". Journal of Strength and Conditioning Research 17, nr 4 (listopad 2003): 785–91. http://dx.doi.org/10.1519/00124278-200311000-00026.

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Luttrell, Mark D., i Jeffrey A. Potteiger. "Effects of Short-Term Training Using Powercranks on Cardiovascular Fitness and Cycling Efficiency". Journal of Strength and Conditioning Research 17, nr 4 (2003): 785. http://dx.doi.org/10.1519/1533-4287(2003)017<0785:eostup>2.0.co;2.

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Rozprawy doktorskie na temat "PowerCranks"

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Ferguson, Matthew J. "The metabolic and muscular adaptations to cycle training with Powercranks". Virtual Press, 2007. http://liblink.bsu.edu/uhtbin/catkey/1371690.

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Streszczenie:
PowercranksTM are a device that enables the user to cycle with each leg acting independently of the other. This type of cycling forces the rider to actively pull up with the hip and knee flexors throughout the recovery phase of the pedaling cycle. While the metabolic benefits of training with PowercranksTM are known, no research has investigated what, if any, strength benefits result from training. The purpose of this study was to examine how strength, submaximal oxygen consumption, hear rate, gross efficiency, and muscle activation were affected by 6 weeks of PowercranksTM training, compared to a traditional cycling training. A total of 1 1 recreationally trained adult subjects (5 males, 6 females) were randomly placed into either the PowercranksTM group (PC) or regular cranks (RC) group. Subjects trained 3 days per week following a progressive interval protocol for 6 weeks. Prior to and following training, subjects were measured for peak isokinetic knee and hip flexion/extension strength, timing of muscular contractions, and submaximal VO2, heart rate, and gross efficiency. A MANOVA for strength values pre-post were not significant. However, large effect sizes implied that there were increases in knee and hip flexion for the PC group (d =1.00,1.63, respectively). Heart rate was found to be significant at all 4 time points (p = 0.001, 0.011, 0.001, 0.000 for time points 1-4, respectively). MANOVAs for VO2 and GE did not yield significant results. Muscular timing was also unchanged as a result of training. While the PowercranksTM did not have an effect on VO2 and GE in untrained subjects, HR decreased, suggesting an aerobic benefit. The possible strength benefits in untrained subjects resulting from PowercrankTM training could prove beneficial for individuals looking to recover from injury.
School of Physical Education, Sport, and Exercise Science
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BURNS, Jack, i jack burns@ecu edu au. "Does training with PowerCranks(tm) affect economy of motion, cycling efficiency, oxygen uptake and muscle activation patterns in trained cyclists?" Edith Cowan University. Computing, Health And Science: School Of Exercise, Biomedical & Health Science, 2008. http://adt.ecu.edu.au/adt-public/adt-ECU2008.0017.html.

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PowerCranks(tm) are claimed to increase economy of motion and cycling efficiency by reducing the muscular recruitment patterns that contribute to the resistive forces occurring during the recovery phase of the pedal stroke. However, scientific research examining the efficacy of training with PowerCranks(tm) is lacking. Therefore, the purpose of this study was to determine if five weeks of training with PowerCranks(tm) improves economy of motion (EOM), gross efficiency (GE), oxygen uptake (V.O2) and muscle activation patterns in trained cyclists. Sixteen trained cyclists were matched and paired into either a PowerCranks(tm) (PC) or Normal Cranks (NC) training group. Prior to training, all subjects completed a graded exercise test (GXT) using normal bicycle cranks. Additionally, on a separate day the PC group performed a modified GXT using PowerCranks? and cycled only until the end of the 200W stage (PCT). During the GXT and PCT, FeO2, FeCO2 and V.E were measured to determine EOM, GE and V.O2max. Integrated electromyography (iEMG) was also used to examine selected muscular activation patterns. Subjects then repeated the tests following the completion of training on their assigned cranks.
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Burns, Jack. "Does training with PowerCranks affect economy of motion, cycling efficiency, oxygen uptake and muscle activation patterns in trained cyclists?" Connect to thesis, 2008. http://adt.ecu.edu.au/adt-public/adt-ECU2008.0017.html.

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Burns, Jack. "Does training with PowerCranks™ affect economy of motion, cycling efficiency, oxygen uptake and muscle activation patterns in trained cyclists?" Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2008. https://ro.ecu.edu.au/theses/17.

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Streszczenie:
PowerCranks™ are claimed to increase economy of motion and cycling efficiency by reducing the muscular recruitment patterns that contribute to the resistive forces occurring during the recovery phase of the pedal stroke. However, scientific research examining the efficacy of training with PowerCranks™ is lacking. Therefore, the purpose of this study was to determine if five weeks of training with PowerCranks™ improves economy of motion (EOM), gross efficiency (GE), oxygen uptake (V.O2) and muscle activation patterns in trained cyclists. Sixteen trained cyclists were matched and paired into either a PowerCranks™ (PC) or Normal Cranks (NC) training group. Prior to training, all subjects completed a graded exercise test (GXT) using normal bicycle cranks. Additionally, on a separate day the PC group performed a modified GXT using PowerCranks™ and cycled only until the end of the 200W stage (PCT). During the GXT and PCT, FeO2, FeCO2 and V.E were measured to determine EOM, GE and V.O2max. Integrated electromyography (iEMG) was also used to examine selected muscular activation patterns. Subjects then repeated the tests following the completion of training on their assigned cranks.
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Części książek na temat "PowerCranks"

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Souppez, Jean-Baptiste R. G., Ermina Begovic, Pradeep Sensharma, Fuhua Wang i Anders Rosén. "Comparative Assessment of Rule-Based Design on the Pressures and Resulting Scantlings of High Speed Powercrafts". W Progress in Marine Science and Technology. IOS Press, 2020. http://dx.doi.org/10.3233/pmst200052.

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Streszczenie:
The rules and regulations inherent to the design pressures and scantlings of high-speed powercrafts are numerous, and regularly reviewed. Recently, the new ISO 12215-5:2019 made notable changes to the way high-speed crafts are analysed, including extending the acceleration experienced up to 8 g in certain circumstances. Nevertheless, despite the multiple iterations and variety of regulatory bodies, the seminal work undertaken on planing crafts throughout the 1960s and 1970s remains the foundation of any rule-based design requirement. Consequently, this paper investigates an array of recently published rules though a comparative design case study, the current state-of-the-art across a number of regulations, and the ultimate impact on scantlings. The study reveals that, despite divergence in intermediate calculations and assumptions, similar requirements are ultimately achieved. Eventually, discussion on the comparison undertaken and future trends in high-speed marine vehicles is provided, tackling the relevance of classical planing theory in light of contemporary innovations.
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