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Effekten av submaximala Benböj på Countermovement Jump with Arm Swing: Tvärsnittsstudie på aktiva bollidrottare
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Section of Sports Medicine.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Section of Sports Medicine.
2019 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
The Effect of Heavy Squats on Countermovement Jump with Arm Swing : Cross- sectional study on active team sport players (English)
Abstract [sv]

Introduktion: Den vertikala hoppförmågan är viktigt för prestationen inom många idrotter. Att använda sig utav komplexträning som benböj och vertikala upphopp har i tidigare forskning visats ge signifikant förbättrad kraftutveckling. Post-Activation Potentiation (PAP) är ett fysiologiskt fenomen som ökar muskelspänningen och kraftutvecklingen i de arbetande musklerna, vilket kan implementeras under komplexträning.

Syftet med studien var att undersöka om idrottare inom basket, fotboll, handboll och volleyboll får en gynnsam ökning på Countermovement jump with arm swing (CMJa) om de genomför benböj med en belastning på 50% och 80% av deras estimerade eller faktiskt uppmätta 1 repetition maximum (RM) innan test av CMJa.

Metod: 9 män och 2 kvinnor, ålder 20.6±3.3, 181.4±7.4 cm, vikt, 76.9±12.6 kg, deltog där samtliga deltagare var aktiva inom någon av idrotterna basket, fotboll och handboll. Testdeltagarna utförde två set tunga benböj följt av fem set CMJa på en infraröd sensor.

Resultat: Resultatet visade ingen signifikant förbättring över tid i hopphöjd hos aktiva bollidrottare (p=0.98).

Slutsats: Resultatet tyder på att användandet av PAP med tunga benböj inte leda till förbättrad prestation på hopphöjden vid genomförande av CMJa hos bollidrottare. Resultatet i den här studien stödjer inte tidigare forskningsresultat om att det finns en positiv skillnad på hopphöjd efter tunga benböj över tid.

Abstract [en]

Introduction: The vertical jump ability is essential for performance in many sports. The use of complex training has in previous research been shown to provide significantly improved power development. Post-Activation Potentiation (PAP) is a physical phenomenon that increases muscle tension and the force development of the working muscles which can be implemented in complex training.

The purpose of this study was to investigate whether athletes in basketball, football, handball and volleyball will have a favorable increase in Countermovement jump with arm swing (CMJa) if they perform heavier squats with a load of 50% and 80% of their estimated or measured 1 repeat maximum (RM) before CMJa.

Method: 9 men and 2 women, age 20.6±3.3 years, height 181.4±7.4 cm, 76.9±12.6 kg body mass participated in the study. All participants were active in one of the sports basket, football, handball or volleyball. The participants performed two set of squats followed by five set of two repetition CMJas with a five minutes rest in between. An infrared sensor MuscleLab was used to analyze the jump height.

Results: The result showed no significant difference between heavy squats and jump height in CMJa over time (p=0.98).

Conclusion: Squats with 50% and 80% of 1RM do not seem to improve jump height performance in CMJ on team sports players. The result in this study does not support the results in previous studies showing a positive effect of heavy squats on maximal jump height.

Place, publisher, year, edition, pages
2019. , p. 35
Keywords [en]
Team sports, Vertical Jump, Complex training
Keywords [sv]
Lagsport, Vertikalhopp, Komplexträning
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:umu:diva-163320OAI: oai:DiVA.org:umu-163320DiVA, id: diva2:1351927
External cooperation
Bollidrott
Educational program
Physical Trainer Pogramme
Supervisors
Examiners
Available from: 2019-09-17 Created: 2019-09-17 Last updated: 2019-09-17Bibliographically approved

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