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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Comparison of penile blood flow changes in performance road cyclists obtained during a ride on a customized 3D printed and conventional saddle
 Šňupárek, Václav ; Vomáčková, Helena (advisor) ; Martínek, Milan (referee)
Comparison of penile blood flow changes in performance road cyclists obtained during a ride on a customized 3D printed and conventional saddle Author: Bc. Václav Šňupárek Supervisor: PhDr. Helena Vomáčková, Ph.D. Aim: To update findings on penile blood flow in performance cyclists by measuring transcutaneous partial pressure of O2 (tcpO2) and CO2 (tcpCO2) on current style of racing bicycle saddles Subjects and methods: tcpO2 and tcpCO2 were measured non-invasively on the glans penis in healthy highly trained male cyclists (�ළ = 30) with an average annual mileage of 14240 km on three different road cycling saddles - Posedla Joyseat, Specialized Power and Fizik Tundra M5. It has previously been shown that tcpO2 is highly correlated with arterial pO2. TcpO2 and tcpCO2 were measured continuously in each participant for ten minutes on each saddle with a random order of saddles while riding stationary bike trainer in a race fit position. Simultaneously, various data like saddle surface pressure via Velometrik Smart Cover BT, rider position via Retül Fit, power output, heart rate and cadence via Wahoo KICKR Bike were recorded, and glans penis biothesiometry data were collected with Bio Medical Instruments. Data analysis was done on statistical level of significance �ළ < 0,05. Statistical methods used to...
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Interaktivní nástroj pro bike fitting využívající počítačové vidění
 Kocman, Matej ; Hradiš, Michal (referee) ; Beran, Vítězslav (advisor)
Bike fitting is the adjustment of a cyclist’s pose on the bike often with the help of video analysis with the aim of increasing comfort, preventing injury and performance optimisation. The goal of this thesis was to create a prototype application for bike fitting, which would follow up on existing applications of its kind and would offer a working solution for chosen problems. The application offers functionality for increased keypoint detection accuracy, lowering the number of position iterations needed for optimal bike setup and optimal pose setup for a bike with limited setup options. The application was tested on users and contributed towards reaching an ideal position after a few iterations already. The application is a useful tool for bike fitting at home and the thesis propositions ways of improving it further.
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Metodology of bike fit adjustment for mountain bike based on heart rate and power sensing
 Vávra, Martin ; Černý, Martin (advisor) ; Kainová, Lucie (referee)
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