Analysis of required coefficient of friction in running and walking

Autor: Lucas Antônio Monezi, Andrea Brugnoli Vidal, Karine Jacon Sarro, Ricardo Machado Leite de Barros
Rok vydání: 2019
Předmět:
Zdroj: Sports Biomechanics. 20:768-780
ISSN: 1752-6116
1476-3141
DOI: 10.1080/14763141.2019.1601251
Popis: The popularity of running has increased over the past few years. However, just a few studies in running have focused on the friction between surface and shoe/foot. Changes in friction can affect aspects of human motion, such as safety, motion pattern and efficiency among others. The aim was to investigate the effects of cadence (walk, self-selected running and imposed-running), stance sub-phases (absorption and propulsion) and footwear (barefoot and shod) on the required coefficient of friction (RCOF) of regular runners. Twenty healthy runners (12 males, 8 females, 29.4 ± 4.9 years, 70.4 ± 9.6 kg) participated in this study. Two force plates were used to measure the ground reaction forces (GRF) in order to calculate the RCOF for each condition and the stance phase was divided in sub-phases. In walk, the RCOF was smaller in the absorption than in propulsion phase (
Databáze: OpenAIRE