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The peak match speed of soccer players: a 20 second analysis

Silva, Hugo; Nakamura, Fábio Yuzo; Racil, Ghazi; Gómez-Diaz, Antonio; Menezes, Pedro; Chamari, Karim; Marcelino, Rui

To assess peak speeds, usually assess players capacity to quickly accelerate and achieve/maintain a maximal speed in 30 m distance (Altmann et al., 2019). During these tests, players often start from stationary positions, reacting to a sound signal (Haff & Triplett, 2016). However, one may question these test procedures since peak speeds achieved during tests generally exceed peak speeds registered during match...

Date: 2024   |   Origin: Motricidade

Workload management strategies in football: a global survey project

Fessi, Mohamed; Saad, Helmi; Oliveira, Rafael; Washif, Jad; Chamari, Karim; Moalla, Wassim

Aim: This research design protocol outlines the methodology for a thorough evaluation of workload monitoring and management strategies in football. Methods: The study involves conducting a global survey to fitness coaches, sports scientists, analysts, and physicians with experience in load monitoring within football. The research adheres to the principles of the Helsinki Declaration and complies with General Da...


Racial differences in hemoglobin and plasma volume variation: implications for ...

Sellami, Maha; Chamari, Karim; Zagatto, Alessandro Moura; Kebsi, Wiem; Chaouachi, Anis; Zouhal, Hassane

Made available in DSpace on 2018-12-11T17:23:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-04-12; Objective: To examine the effect of race differences on sprint performance, Hemoglobin (Hb), Hematocrit (Ht) and plasma volume (PV) variation in response to repeated sprint exercise. Design: Thirty-six healthy, moderately trained men and women (20.8 ± 0.2 year-old) volunteered to participate in this stu...

Date: 2018   |   Origin: Oasisbr





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