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Gender-related differences in mechanics of the sprint start and sprint acceleration of top national-level sprinters
Dragan Mirkov, Olivera M. Knezevic, Amador García Ramos, Milan Čoh, Nejc Šarabon, 2020, izvirni znanstveni članek

Opis: Background: Within the current study we aimed at exploring gender-related differences and the relationship between sprint start block kinematics and kinetics and sprint acceleration force-velocity (F-v) relationship parameters (maximal force [F0], maximal velocity [v0], maximal power [Pmax] and slope) in top national-level sprinters. (2) Methods: Twenty-eight sprinters (6 females) performed 10 maximal 30-m sprints. Start block and acceleration kinematics and kinetics were collected with an instrumented sprint start block and a laser distance sensor (KiSprint system). Displacement-time data were used to determine the F-v relationship through Samozino's method. (3) Results: Start block rear foot maximal force (effect size [ES] = 1.08), rate of force development (ES = 0.90-1.33), F0 (ES = 1.38), v0 (ES = 1.83) and Pmax (ES = 1.95) were higher in males than in females (p -< 0.05). There were no differences in the slope, and ratio of horizontal-to-resultant force. F0, v0, and Pmax generally presented higher correlations with the start block kinetics (median r [range] = 0.49 [0.28, 0.78]) than with the kinematics (median r [range] = -0.27 [-0.52, 0.28]). (4) Conclusions: We confirmed that sprint block phase and sprint acceleration mechanics should be mutually assessed when analyzing sprinting performance. KiSprint system could provide more accurate information regarding mechanical pattern and technique during sprint initiation and acceleration, and potentially help create a more personalized and effective training program.
Ključne besede: force-velocity relationship, force platform, kinematics, kinetics, track-and-field
Objavljeno v RUP: 10.09.2020; Ogledov: 988; Prenosov: 69
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Key determinants in the relationship between young researchers and their mentors
Ana Arzenšek, Katarina Košmrlj Muha, 2016, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: relationship, young researchers, mentors, developing skills
Objavljeno v RUP: 08.08.2016; Ogledov: 2282; Prenosov: 71
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Cooperation after war
Eric C. Martin, Sue R. Faerman, David P. McCaffrey, 2006, izvirni znanstveni članek

Opis: This paper discusses how predispositions, incentives, the number and heterogeneity of participants, and leadership (Faerman et al. 2001) jointly influenced the international effort to develop Bosnia and Herzegovina. International coalitions, task forces, and advisory groups are increasingly charged with implementing reforms following civil conflict. This requires a complex web of interorganizational relationships among NGOS, donors and host nations at both global and "ground" levels. To better understand development assistance, attention must be paid to the relationships between these varied players. We find that four factors influenced relationships between policy, donor, and implementing organizations; and those strained relationships, in turn, affected development success. The paper draws on interviews, conducted in Bosnia, with 43 development professionals, observation of development meetings in Tuzla and Sarajevo, and review of related documents from international development programs.
Ključne besede: international development, interorganizational relationship, cooperation, Bosnia
Objavljeno v RUP: 15.10.2013; Ogledov: 2233; Prenosov: 73
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