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Volume 10, Issue 4 (10-2012)
Abstract

Introduction: Different sports require athletes with special shape and size.
Findings of researches have reported the relationship between somatotype
components and athletic performance, similarity of somatotype of junior and
senior athletes in the same sport and, consistency of somatotype through
lifespan. In according to the fact that, somatotype is related to genetic factors
and not influenced by training and nutrition, this index can be helpful in
identification of talents. Lack of investigation examining somatotype profile of
Iranian population, the aim of present study was to describe somatotype profile
of Iranian 9-13 years old boys of country provinces in martial sports.
Methodology: present investigation is descriptive and field study. Population is
9-13 years old boys who participated in Basij Sport Organization leisure time
programs. Sample includes 1726 boys in that age rang. Anthropometric
characteristics were measured using ISAK instruction and somatotpye was
assessed using Heath-Carter method.
Findings: results showed that Ectomorphic component of Iranian boys was 3.1,
Mesomorphy was 4.1 and Endomorphic was 3.1. also revealed that the Iranian
9-13 years old boys have balanced mesomorph somatotype.
Discussion: based on previous researches, elite Karateka in worldwide top
teams like Germany have Ectomorph-Mesomorph type, also somatotype of elite
taekwondo ka is Ectomorph-Mesomorph too and in Judo somatotype of elite
athletes is Balanced Mesomorphy. Based on the finding of present study the
boys of Ilam, Fars, Qazvin, Qom, Lorestan, Khorasan Razavi and Yazd have
Ectomorph-Mesomorph somatotype and, boys in Mazandaran, Kerman,
Kemanshah, Kurdestan, Markazi, Azarbayjan Sharghi, Khouzestan and
Bousher provinces have balanced mesomorph somatotye.


Salar Hariri, Heydar Sadeghi, Amir Ghiamirad, Saeed Nikookheslat,
Volume 23, Issue 29 (7-2025)
Abstract

Background and Objective: Since identifying the best way of performing the Judan Mai-Mawashi-Geri technique is one of the concerns of coaches and karatekas, the aim of this study was to compare the selected kinematic variables of four methods of implementing the Judan Mai-Mawashi-Geri technique by elite male karatekas.
Methodology: Eighteen elite male kumite practitioners voluntarily and purposefully participated in this study. Nine markers were attached to the anatomical points of the hitting foot and the four methods of implementing the Judan Mai-Mawashi-Geri technique were filmed by three Hero3 cameras at an imaging speed of 240 Hz. Using SkillSpector software (version: 1.3.2), the resultant of the peak velocity of the lower limb joints, total distance, total velocity, and total acceleration was directly obtained. The one-way analysis of variance and the Bonferroni post-hoc test (p≤0.05) were used with SPSS software (version: 22) for statistical analysis due to the normality of data distribution.
 Results: The results showed a significant difference in the four methods of performing the Judan Mai-Mawashi-Geri technique in the peak velocity of the pelvic, knee, and ankle joints as well as total distance, total velocity, and total acceleration.
Conclusion: According to the results، the first method of execution، which starts in the first phase with 90 degree hip flexion (knee lift)، due to high speed and the possibility of scoring in the shortest appropriate time interval، against other tactics, Due to the closure of the opponent's attack route، Dai and Deashi can be recommended as a more efficient technique to the Athlete of the Kumite.

 

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