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Muskulär profilering av underkroppen hos manliga amatörklättrare.: En undersökning av styrka och power i nedre extremiteter hos klättrare på avancerad och moderat nivå
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Sports medicine.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Sports medicine.
2018 (Swedish)Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesisAlternative title
Muscular profiling of the lower body of male amateur climbers. : A study of strength and power in the lower extremities on climbers at advanced and moderate level (English)
Abstract [sv]

Klättring som utförs på överhängande ytor blir allt vanligare och kräver mer avancerad användning av underkroppen. Då tidigare forskning i synnerhet undersökt överkroppsstyrka saknas en muskulär profilering av underkroppen hos klättrare vilket således var syftet med denna studie. Frågeställningarna eftersträvade att undersöka om skillnader i styrka och power i nedre extremiteter kan relateras till prestation hos manliga klättrare. Deltagarna var 10 manliga amatörklättrare som delades in i 2 grupper baserat på idrottsspecifik prestationsnivå. Grupp 1 (n=6) kategoriserades som avancerade klättrare och grupp 2 (n=4) som moderata. Ett isokinetiskt styrketest och två olika hopptester genomfördes av samtliga studiedeltagare. Efter statistisk analys framgick det att det inte fanns några signifikanta skillnader (p= 0,05) mellan grupperna gällande relativ styrka i quadriceps, relativ styrka i hamstrings, H/Q-kvot, hopphöjd vid SJ eller hopphöjd vid CMJ. Gruppen med mer avancerade klättrare presterade signifikant högre vid CMJ kontra SJ (p=0,013). Slutsatserna av denna studie är att klättrare har förhållandevis låga resultat både vid mätning av H/Q-kvot vid 90°/s (grupp 1: 51% vs. grupp 2: 53,9%), 210°/s (59,4% vs. 57,9%) och vid vertikala hopptester (SJ: 32,1cm vs. 31,7cm; CMJ: 35,8 cm vs. 33,9 cm) samt att hoppteknik verkar kunna vara en bidragande faktor för prestation inom klättring.

Abstract [en]

Rock climbing performed on overhanging surfaces is becoming more common and requires more advanced use of the lower body. Since previous research has mostly examined upper body strength there is a need for a muscular profiling of the lower body of climbers, which was the purpose of this study. The study sought to investigate whether differences in strength and power in the lower extremities can be related to climbing performance in male climbers. The participants were 10 male amateur climbers divided into two groups based on athletes-specific performance level. Group 1 (n=6) where categorized as advanced climbers and group 2 (n=4) as moderate. An isokinetic strength test and two different jump tests were performed by all study participants. After statistical analysis, there were no significant differences (p= 0,05) between the groups in relative strength in the quadriceps, relative strength in hamstrings, H/Q-ratio, jump height at SJ or jump height at CMJ. The group with more advanced climbers performed significantly higher at CMJ versus SJ (p = 0.013). The conclusions of this study are that climbers have relatively low results when measuring H/Q-ratio at 90°/s (group 1: 51% vs. group 2: 53,9%), 210°/s (59,4% vs. 57,9%) and height at vertical jump tests (SJ: 32,1cm vs. 31,7cm; CMJ: 35,8 cm vs. 33,9 cm) and that jump technique seems to be a contributing factor in climbing performance.

 

Place, publisher, year, edition, pages
2018.
Keywords [en]
Rock climbing, H/Q-ratio, Isokinetic strength test, Squat jump, Counter movement jump
Keywords [sv]
Klättring, H/Q-kvot, Isokinetiskt styrketest, Squat jump, Counter movement jump
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:umu:diva-149465OAI: oai:DiVA.org:umu-149465DiVA, id: diva2:1222047
External cooperation
Umeås klätterklubbar via sociala medier
Educational program
Physical Trainer Pogramme
Available from: 2018-06-20 Created: 2018-06-20

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