The relationship between selected biomechanical and technical factors and success criteria in long jump take-off performed by elite athletes

Ashrostaghi, Mojtaba; Shirzad, Elham

doi:10.18869/acadpub.jsmt.13.10.69

Volume 13, Issue 10 (10-2015) RSMT 2015, 13(10): 69-77 | Back to browse issues page

‎ 10.18869/acadpub.jsmt.13.10.69

‎ 20.1001.1.22520708.1394.13.10.6.4

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Ashrostaghi M, Shirzad E. The relationship between selected biomechanical and technical factors and success criteria in long jump take-off performed by elite athletes. RSMT 2015; 13 (10) :69-77
URL: http://jsmt.khu.ac.ir/article-1-149-en.html

The relationship between selected biomechanical and technical factors and success criteria in long jump take-off performed by elite athletes

Mojtaba Ashrostaghi

, Elham Shirzad

Abstract: (7508 Views)

Take-off is the critical phase of the long jump event. The aim of this study was to explore the relationships
between different variables and success in take-off. 37 trials performed by 8 long jumper, participants in
fourth indoor Asian senior athletics championships held in Tehran, with personal best average of 7.68±0.28
meter were recorded at 300 Hz. Five speed-related, five technical and four strength-related variables as well
as an anthropometric variable were measured using motion analysis software. More gain in vertical velocity
and less loss of horizontal velocity are considered as two criteria of take-off success and their relationships
with other variables were determined through correlation and regression analysis. Significant level of 0.05
was set. Some variables of all four groups were significantly correlated with success criteria. These variables
along with some others were entered in regression equations. The results emphasized on dominant role of
the technique and approach velocity and represented the effect of anthropometric characteristics on success
in takeoff. Furthermore eccentric strength of knee extensors was shown as the main strength factor in this
performance.

Keywords: Long Jump Take-off, Speed, Strength, Technique, Anthropometry

Full-Text [PDF 859 kb] (2706 Downloads)

Type of Study: Research |
Received: 2017/01/21 | Accepted: 2017/01/21 | Published: 2017/01/21

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