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Muscle contributions to body mass center acceleration during the first stance of sprint running
KTH, School of Engineering Sciences (SCI), Mechanics.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The best results in a sprint running are based upon covering the distance in the shortest possible time, and therefore performance has to be maximized. To achieve the best performance, the sprinter has to develop the greatest forward acceleration, reach his/her maximal speed, and keep it over the run. The greatest anteroposterior acceleration is generated in the first stance of a sprint due to the greatest propulsive force production. Thus, the first step was selected to study induced accelerations by the main muscles of the lower limb. Since a wider step width was founded out to help with force generation during long foot-ground contacts, an elite sprinter with a wide step width was selected. Ankle plantarflexors were the main contributors to body propulsion and support, while knee extensors decelerated forward propulsion but induced medial accelerations. Hip extensors and hip adductors did not offer a remarkable contribution to body COM acceleration in any direction.

Place, publisher, year, edition, pages
2019.
Series
TRITA-SCI-GRU 2019:053
Keywords [en]
Sprinting biomechanics, first stance, forward dynamic simulation, induced acceleration analysis, individual muscle contribution, elite sprinter, step width
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-250027OAI: oai:DiVA.org:kth-250027DiVA, id: diva2:1307009
Supervisors
Examiners
Available from: 2019-04-25 Created: 2019-04-25 Last updated: 2019-04-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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