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  • Other research products
  • 2013-2022
  • Repository of University of Primorska

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  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Miklavič, Štefko; Penjić, Safet;
    Publisher: Fakulteta za matematiko, naravoslovje in informacijske tehnologije
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Miklavčič, Ana; Schwarzkopf, Matthew;
    Publisher: MDPI
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Sta Maria, Tyrone Justin; Dizon, Gavin Raine; Esquivel, Vince Anthony; Deja, Jordan Aiko; Unisse, Chua;
    Publisher: ACM
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Balasso, Michelle; Kutnar, Andreja; Prelovšek Niemelä, Eva; Mikuljan, Marica; Nolan, Gregory; Kotlarewski, Nathan; O'Reilly, Julianne;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Schwarzkopf, Matthew; Burnard, Michael David; Mikuljan, Marica; Kutnar, Andreja;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Sandak, Anna Malgorzata; Sandak, Jakub Michal;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Prelovšek Niemelä, Eva; Niemelä, Aarne; Kutnar, Andreja; Sandak, Anna Malgorzata; Vcelak, Jan; Sandak, Jakub Michal; Šušteršič, Iztok;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Starman, Vesna; Tavzes, Črtomir; Prelovšek Niemelä, Eva; Mikuljan, Marica; Pečnik, Jaka Gašper; Podrekar, Nastja;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Deja, Jordan Aiko; Blanquera, Kim; Carabeo, Carlo Eliczar; Copiaco, Jo Rupert;
    Publisher: World Scientific Publishing
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Šarabon, Nejc; Knezevic, Olivera M.; Mirkov, Dragan; Smajla, Darjan;
    Publisher: Elsevier
    Country: Slovenia

    Rapid force generation across submaximal levels has been evaluated with the rate of force development scaling factor (RFD-SF) in different isometric tasks, while such measurement was still not verified in dynamic tasks. Our study was designed to evaluate the feasibility of the RFD-SF in dynamic drop jump (DJ) task (RFD-SFDJ). A total of 55 young athletes performed isometric plantarflexion at different submaximal intensities and 60 DJs (6 different drop heights). For each participant we calculated linearity (r2 ) and slope in isometric task (RFD-SFPF), eccentric part of DJ (RFD-SFDJ-ECC) and concentric part of DJ (RFD-SFDJ-CON), as well as average jump height (DJH) from each drop height. Our results revealed strong linear force-RFD relationship for isometric plantarflexion (r2 = 0.90 % 0.06), eccentric (r2 = 0.87 % 0.09) and concentric phase of DJ (r2 = 0.80 % 0.18). Significant moderate positive correlations were calculated between RFD-SFPF and RFD-SFDJ-ECC (r = 0.311, p < 0.05) and small negative correlations between RFD-SFDJ-CON and RFD-SF (r = -0.276, p < 0.05). Significant positive moderate correlations were seen only between RFD-SFDJ-ECC and DJH from 10 cm (r = 0.459, p < 0.001) and 15 cm (r = 0.423, p < 0.01). This is the first study to introduce and confirm that RFD-SFDJ can be obtained from the multi-joint tasks (60 jumps) and still provide acceptable reliability and linear relationship. Furthermore, RFD-SFDJ may have greater practical application than RFD-SF assessed under the isometric conditions. This verification of RFD-SFDJ opens opportunities for further research regarding its practical application.

Advanced search in
Research products
arrow_drop_down
Simple Search
Searching FieldsTerms
Any field
arrow_drop_down
includes
arrow_drop_down
Include:
4,587 Research products, page 1 of 459
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Miklavič, Štefko; Penjić, Safet;
    Publisher: Fakulteta za matematiko, naravoslovje in informacijske tehnologije
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Miklavčič, Ana; Schwarzkopf, Matthew;
    Publisher: MDPI
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Sta Maria, Tyrone Justin; Dizon, Gavin Raine; Esquivel, Vince Anthony; Deja, Jordan Aiko; Unisse, Chua;
    Publisher: ACM
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Balasso, Michelle; Kutnar, Andreja; Prelovšek Niemelä, Eva; Mikuljan, Marica; Nolan, Gregory; Kotlarewski, Nathan; O'Reilly, Julianne;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Schwarzkopf, Matthew; Burnard, Michael David; Mikuljan, Marica; Kutnar, Andreja;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Sandak, Anna Malgorzata; Sandak, Jakub Michal;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Prelovšek Niemelä, Eva; Niemelä, Aarne; Kutnar, Andreja; Sandak, Anna Malgorzata; Vcelak, Jan; Sandak, Jakub Michal; Šušteršič, Iztok;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Starman, Vesna; Tavzes, Črtomir; Prelovšek Niemelä, Eva; Mikuljan, Marica; Pečnik, Jaka Gašper; Podrekar, Nastja;
    Publisher: s. n.
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Deja, Jordan Aiko; Blanquera, Kim; Carabeo, Carlo Eliczar; Copiaco, Jo Rupert;
    Publisher: World Scientific Publishing
    Country: Slovenia
  • Other research product . Other ORP type . 2020
    Open Access English
    Authors: 
    Šarabon, Nejc; Knezevic, Olivera M.; Mirkov, Dragan; Smajla, Darjan;
    Publisher: Elsevier
    Country: Slovenia

    Rapid force generation across submaximal levels has been evaluated with the rate of force development scaling factor (RFD-SF) in different isometric tasks, while such measurement was still not verified in dynamic tasks. Our study was designed to evaluate the feasibility of the RFD-SF in dynamic drop jump (DJ) task (RFD-SFDJ). A total of 55 young athletes performed isometric plantarflexion at different submaximal intensities and 60 DJs (6 different drop heights). For each participant we calculated linearity (r2 ) and slope in isometric task (RFD-SFPF), eccentric part of DJ (RFD-SFDJ-ECC) and concentric part of DJ (RFD-SFDJ-CON), as well as average jump height (DJH) from each drop height. Our results revealed strong linear force-RFD relationship for isometric plantarflexion (r2 = 0.90 % 0.06), eccentric (r2 = 0.87 % 0.09) and concentric phase of DJ (r2 = 0.80 % 0.18). Significant moderate positive correlations were calculated between RFD-SFPF and RFD-SFDJ-ECC (r = 0.311, p < 0.05) and small negative correlations between RFD-SFDJ-CON and RFD-SF (r = -0.276, p < 0.05). Significant positive moderate correlations were seen only between RFD-SFDJ-ECC and DJH from 10 cm (r = 0.459, p < 0.001) and 15 cm (r = 0.423, p < 0.01). This is the first study to introduce and confirm that RFD-SFDJ can be obtained from the multi-joint tasks (60 jumps) and still provide acceptable reliability and linear relationship. Furthermore, RFD-SFDJ may have greater practical application than RFD-SF assessed under the isometric conditions. This verification of RFD-SFDJ opens opportunities for further research regarding its practical application.

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