THE EFFECT OF A CUSTOM AREA ELASTIC SURFACE WITH DIFFERENT STIFFNESS ONHOPPING PERFORMANCE AND SAFETY WITH AN EMPHASIS ON FAMILIARITY TOTHE SURFACE

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FARJAD PEZESHK ABBAS; SADEGHI HEYDAR; SAFAEEPOUR ZAHRA; SHARIATZADEH MOHAMMAD

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Journal: JOURNAL OF ADVANCED SPORT TECHNOLOGY Year:2017 | Volume:1 | Issue:1 Page(s): 5-14

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Title

THE EFFECT OF A CUSTOM AREA ELASTIC SURFACE WITH DIFFERENT STIFFNESS ONHOPPING PERFORMANCE AND SAFETY WITH AN EMPHASIS ON FAMILIARITY TOTHE SURFACE

Author(s)

FARJAD PEZESHK ABBAS | SADEGHI HEYDAR | SAFAEEPOUR ZAHRA | SHARIATZADEH MOHAMMAD | Issue Writer Certificate

Keywords

STIFFNESS

CUSTOM SURFACE

HOPPING

Abstract

There is no doubt that sporting surfaces are extremely important for every activity. However, there is notsufficient scientific report regarding the effect of the area elastic surface floor with common range STIFFNESS onvertical HOPPING safety and performance. The aim of this study was to examine the effect of custom area elasticsurface with different STIFFNESS on the HOPPING performance and safety with emphasis on familiarity to thesurfaces. Fifteen young and healthy experienced male were volunteered in this study. Kinematic and kinetic datarecorded during HOPPING on four surfaces (300-500 kN/m) using the Motion Analysis System and AMTI forceplate. In the data analysis process, leg and joint STIFFNESS, maximum vertical ground reaction force, mechanicalenergy and power and angular position of joints calculated. The results of this study show that surface STIFFNESSdoes not effect on the leg and joint STIFFNESS, but after familiarity to the surface, there was a significant increasein 400 kN/m surface positive mechanical energy and power of ankle joint and a significant decrease in negativemechanical energy and power of knee joint (P<0.05). In conclusion, it seems the change in surface STIFFNESSafter familiarity to the surface causes an improvement of HOPPING performance without any change in leg andjoint spring STIFFNESS. It can be proposed that deformation following impact also does not enough to significantlyreduce the vertical ground reaction force.

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APA: Copy

FARJAD PEZESHK, ABBAS, SADEGHI, HEYDAR, SAFAEEPOUR, ZAHRA, & SHARIATZADEH, MOHAMMAD. (2017). THE EFFECT OF A CUSTOM AREA ELASTIC SURFACE WITH DIFFERENT STIFFNESS ON
HOPPING PERFORMANCE AND SAFETY WITH AN EMPHASIS ON FAMILIARITY TO
THE SURFACE. JOURNAL OF ADVANCED SPORT TECHNOLOGY, 1(1 ), 5-14. SID. https://sid.ir/paper/267600/en

Vancouver: Copy

FARJAD PEZESHK ABBAS, SADEGHI HEYDAR, SAFAEEPOUR ZAHRA, SHARIATZADEH MOHAMMAD. THE EFFECT OF A CUSTOM AREA ELASTIC SURFACE WITH DIFFERENT STIFFNESS ON
HOPPING PERFORMANCE AND SAFETY WITH AN EMPHASIS ON FAMILIARITY TO
THE SURFACE. JOURNAL OF ADVANCED SPORT TECHNOLOGY[Internet]. 2017;1(1 ):5-14. Available from: https://sid.ir/paper/267600/en

IEEE: Copy

ABBAS FARJAD PEZESHK, HEYDAR SADEGHI, ZAHRA SAFAEEPOUR, and MOHAMMAD SHARIATZADEH, “THE EFFECT OF A CUSTOM AREA ELASTIC SURFACE WITH DIFFERENT STIFFNESS ON
HOPPING PERFORMANCE AND SAFETY WITH AN EMPHASIS ON FAMILIARITY TO
THE SURFACE,” JOURNAL OF ADVANCED SPORT TECHNOLOGY, vol. 1, no. 1 , pp. 5–14, 2017, [Online]. Available: https://sid.ir/paper/267600/en

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