KINEMATICAL VARIABLES ANALYSIS OF DISCUS THROW ACTIVITY IN PARA-ATHLETICS (CLASS F57) AND THEIR RELATIONSHIPS WITH DIGITAL LEVEL ACHIEVEMENT. PART І.

Year 2021, Volume: 19 Issue: 3, 60 - 70, 30.09.2021

Guebli Abdelkader , Reguieg Madani , Belhadj Larbi Djamal , Hicham Benelguemar , Sba Bouabdellah , Nurtekin Erkmen

https://doi.org/10.33689/spormetre.854825

Cited By: 1

Abstract

The aim of this study is to analyze kinematical variables of discus throw activity in Para-Athletics F57 and to investigate their relationships with digital level achievement. International Para-athlete "Saifi Nassima" participated voluntarily in this study. The athlete throwed the discus with her right arm. Recordings were made by synching cameras (AEE MagicCam, 170° view, MOV Format Video, 720p Video Resolution, 120 ips NTFS, Screen Resolution 1280*720 16:9) for side and rear views by a LANC (CONTROL-L) device. The athlete wore reflective markers to track their motions on joints of the wrists, the elbows, the shoulders, the hip center, and down the neck with the least possible number of occlusions, to analyze the length and angle of movement by the x and y axis. The best six throws during the first and second phases (start and finish throwing) of the discus throw were included for analysis in two-dimensional by Dartfish.9 software. Means, standard deviations, minimum and maximum values were applied as descriptive statistics, and Pearson test for the correlations between all variables. As a result, there was a positive significant correlation of digital level with cubitus angle of the throwing hand (p< .001), trunk angle (p< .005) in the first phase, and with disk flight time (p< .005), throwing angle (p< .001) in the second phase. In conclusion, we confirm that the increase in the values of the variables of distance shot from the armrest, and the wrist angle of the shooting hand in the first phase of throwing, affects the digital level achievement. The decrease in the value of the throwing angle variable in the second phase of throwing affects the digital level achievement.

Keywords

Kinematical variables, Para-athletics, Discus Throw, Digital level.

KINEMATICAL VARIABLES ANALYSIS OF DISCUS THROW ACTIVITY IN PARA-ATHLETICS (CLASS F57) AND THEIR RELATIONSHIPS WITH DIGITAL LEVEL ACHIEVEMENT. PART І.

Abstract

Bu çalışmanın amacı, Para-Athletics F57'de disk atma etkinliğinin kinematik değişkenlerini analiz etmek ve bunların dijital seviye başarısı ile ilişkilerini araştırmaktır. Uluslararası Para-atlet "Saifi Nassima" bu çalışmaya gönüllü olarak katıldı. Sporcu diski sağ koluyla fırlattı. Kayıtlar, bir LANC (CONTROL-L) cihazı ile yan ve arka görünümler için kameralar (AEE MagicCam, 170° görünüm, MOV Format Video, 720p Video Çözünürlüğü, 120 ips NTFS, Ekran Çözünürlüğü 1280*720 16:9) senkronize edilerek yapılmıştır. Sporcu, x ve y ile hareketin uzunluğunu ve açısını analiz etmek için mümkün olan en az sayıda oklüzyonla bilekler, dirsekler, omuzlar, kalça merkezi ve boyundaki eklemlerdeki hareketlerini izlemek için yansıtıcı işaretleyiciler taktı. eksen. Disk atışının birinci ve ikinci aşamalarındaki (başlangıç ve bitiş atışları) en iyi altı atış Dartfish.9 yazılımı ile iki boyutlu olarak analize dahil edilmiştir. Tanımlayıcı istatistik olarak ortalamalar, standart sapmalar, minimum ve maksimum değerler, tüm değişkenler arasındaki korelasyonlar için Pearson testi uygulandı. Sonuç olarak, dijital seviye ile fırlatan elin kubitus açısı (p< .001), birinci aşamada gövde açısı (p< .005) ve disk uçuş süresi (p< .005) ile pozitif ve anlamlı bir korelasyon vardı. ), ikinci aşamadaki atış açısı (p< .001). Sonuç olarak, atışın ilk aşamasında kolçaktan atış mesafesi ve atış yapan elin bilek açısı değişkenlerinin değerlerindeki artışın dijital seviye başarısını etkilediğini doğruladık. Fırlatmanın ikinci aşamasında fırlatma açısı değişkeninin değerindeki azalma, dijital düzeydeki başarıyı etkiler.

Keywords

Kinematik değişkenler, para-atletizm, disk atma, dijital seviye

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