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The effect of height on drop jumps in relation to somatic parameters and landing kinetics
ID Maćkała, Krzysztof (Author), ID Rauter, Samo (Author), ID Šimenko, Jožef (Author), ID Kreft, Robi (Author), ID Stodółka, Jacek (Author), ID Križaj, Jožef (Author), ID Čoh, Milan (Author), ID Vodičar, Janez (Author)

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Abstract
The aim of this study was to assess the effect of drop height and selected somatic parameters on the landing kinetics of rebound jumps in force and power production, performed by male and female student athletes. Twenty female and forty male students with a sports background participated in the experiment (mean and standard deviation (± SD): age 20.28 ± 1.31 years, height 166.78 ± 5.29 cm, mass 62.23 ± 7.21 kg and 21.18 ± 1.29, 182.18 ± 6.43, 78.65 ± 7.09). Each participant performed three maximal jumps on two independent and synchronized force platforms (Bilateral Tensiometric Platform S2P) at each of the two assigned drop-jump heights (20-, and 40-, cm for female and 30-, and 60-, cm for the male special platform). Significant between-sex differences were observed in all variables of selected somatics, with men outperforming women. Statistically significant differences were noted in four parameters, between men and women, in both DJs from 20/40 and 30/60 cm. The height of the jump was 6 cm and 4 cm higher for men. A slightly higher statistical significance (p = 0.011) was demonstrated by the relative strength (% BW) generated by the left limb in both men and women. Only women showed a significant relationship between body mass, body height, and five parameters, dropping off of a 20 cm box. In men, only the left leg—relative maximal F (p = −0.45)—showed a relationship with body mass. There were no relationships between the above-mentioned dependencies in both groups, in jumps from a higher height: 40 cm and 60 cm. From a practical application, the DJ with lower 20/30 cm or higher 40/60 cm (women/men) respectively emphasizes either the force or power output via an increase in the velocity component of the rebound action or increased height of the DJ jump.

Language:English
Keywords:sport, counter-movement, kinetics, explosive power, force production, drop jumps
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FŠ - Faculty of Sport
Publication status:Published
Publication version:Version of Record
Year:2020
Number of pages:11 str.
Numbering:Vol. 17, iss. 16, art. 5886
PID:20.500.12556/RUL-134279 This link opens in a new window
UDC:796.01
ISSN on article:1660-4601
DOI:10.3390/ijerph17165886 This link opens in a new window
COBISS.SI-ID:25113347 This link opens in a new window
Publication date in RUL:04.01.2022
Views:654
Downloads:142
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Record is a part of a journal

Title:International journal of environmental research and public health
Shortened title:Int. j. environ. res. public health
Publisher:MDPI
ISSN:1660-4601
COBISS.SI-ID:1818965 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:13.08.2020

Secondary language

Language:Slovenian
Keywords:šport, športniki, nasprotno gibanje, kinetika, eksplozivna moč, proizvedena sila, skoki

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