Sprint-cycling performance is paramount to competitive success in over half the world-championship and Olympic races in the sport of cycling. This review examines the current knowledge behind the interaction of propulsive and resistive forces that determine sprint performance. Because of recent innovation in field power-measuring devices, actual data from both elite track- and road-cycling sprint performances provide additional insight into key performance determinants and allow for the construction of complex models of sprint-cycling performance suitable for forward integration. Modeling of various strategic scenarios using a variety of field and laboratory data can highlight the relative value for certain tactically driven choices during competition.
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http://dx.doi.org/10.1123/ijspp.2.1.5 | DOI Listing |
Int J Sports Physiol Perform
December 2024
Griffith Sports Science, Griffith University, Gold Coast, QLD, Australia.
Purpose: Identifying the determinants of performance is fundamental to talent identification and individualizing training prescription. Consequently, the aim of this study was to determine whether estimated muscle typology is associated with the key mechanical characteristics of track sprint cycling.
Methods: Sixteen world-class and elite track cyclists (n = 7 female) completed a laboratory session wherein torque-cadence and power-cadence profiles were constructed to determine maximal power output (Pmax), optimal cadence (Fopt), and maximal cadence (Fmax), and fatigue rate per pedal stroke was determined during a 15-second maximal sprint at Fopt.
Eur J Sport Sci
November 2024
Centre for Human Performance, School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia.
Strong relationships exist between sprint cycling torque and isometric mid-thigh pull (IMTP) force production at one timepoint; however, the relationships between the changes in these measures following a training period are not well understood. Accordingly, this study examined the relationships in the changes of sprint cycling torque and IMTP force following six-weeks of sprint cycling and resistance training performed by strength-trained novice cyclists (n = 14). Cycling power, cadence, torque and IMTP force (Peak force [PF]/torque, average and peak rate of force/torque development [RFD/RTD], and RFD/RTD from 0 to 100 ms and 0-200 ms) were assessed before and after training.
View Article and Find Full Text PDFFree Radic Biol Med
November 2024
University of Exeter Medical School, St Luke's Campus, University of Exeter, Exeter, EX1 2LU, UK.
Dietary nitrate (NO) supplementation has been shown to reduce blood pressure (BP), improve exercise performance, and alter the oral microbiome. Following a "control" diet (CON), we manipulated dietary NO intake to examine the effect of a short-term (7-day) low NO diet (LOW) followed by a 3-day high NO diet (HIGH), compared to a 7-day standard (STD) NO diet followed by HIGH, on saliva, plasma, and muscle [NO] and nitrite ([NO]), BP, and cycling exercise performance in healthy young adults. We also examined the effect of LOW on the oral microbiome.
View Article and Find Full Text PDFJ Diet Suppl
October 2024
Physical Education and Sports Science, National Institute of Education, Nanyang Technological University, Singapore, Singapore.
Exogenous nitrate ingestion can improve exercise performance. This study investigated whether an isotonic beetroot drink could improve jump and sprint performance in active individuals. Twenty-three physically active participants (17 males, 6 females) (mean ± SD; age: 26 ± 4 years; body mass index: 22.
View Article and Find Full Text PDFLife (Basel)
July 2024
School of Sport Science, Beijing Sport University, Beijing 100084, China.
Unlabelled: Propulsive power is one of the factors that determine the performance of sprint cycling. Pedaling rate is related to power output, and stiffness is associated with improving performance in athletic tasks.
Purpose: to investigate the relationship between musculoarticular stiffness and pedaling rate.
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