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Effect of Taekwondo Training on Physical Fitness and Growth Index According to IGF-1 Gene Polymorphism in Children.

Lee B, Kim K - Korean J. Physiol. Pharmacol. (2015)

Bottom Line: IGF-1 concentration significantly (p<0.05) increased in the heterozygote group, while HOMA-IR significantly (p<0.05) decreased in the homozygote group.Furthermore, there was a significant (p<0.05) decrease in glucose in both the homozygote and the non-carriers groups.The difference between physical fitness and growth index depending on the IGF-1 gene polymorphism after Taekwondo training did not show consistent impact.

View Article: PubMed Central - PubMed

Affiliation: Department of Physical Education, Keimyung University, Daegu 704-701, Korea.

ABSTRACT
This study analyzed the effect of regular Taekwondo training for 16 weeks on physical fitness and growth index depending on different IGF-1 gene polymorphisms. The subjects of the study were 44 male students who were 8 year years old. The IGF-1 gene showed the highest frequency of 18 CA repeat (190 bp) in 50% of subjects, and was found in the homozygote (n=11), heterozygote (n=22) and non-carriers (n=11). The results of the physical fitness and growth index among the gene polymorphism groups indicated no significant differences but the expected height of the non-carrier group was significantly high (p<0.05). After Taekwondo training, the homozygote group and the non-carrier groups demonstrated significant (p<0.05) increase in grip strength and in time in the standing with one leg while closing eyes test, respectively. Only the homozygote group had a significant (p< 0.05) increase in thigh circumference. IGF-1 concentration significantly (p<0.05) increased in the heterozygote group, while HOMA-IR significantly (p<0.05) decreased in the homozygote group. Furthermore, there was a significant (p<0.05) decrease in glucose in both the homozygote and the non-carriers groups. The difference between physical fitness and growth index depending on the IGF-1 gene polymorphism after Taekwondo training did not show consistent impact.

No MeSH data available.


Difference before and after the Taekwondo training for the circumference depending on the IGF-1 gene polymorphisms *p<0.05, +p<0.001.
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Figure 3: Difference before and after the Taekwondo training for the circumference depending on the IGF-1 gene polymorphisms *p<0.05, +p<0.001.

Mentions: Fig. 3 shows the analysis of the body composition before and after Taekwondo training according to the IGF-1 gene polymorphism. The homozygote group presented significant increase in the thigh circumference compared to the heterozygote group (p<0.001) and the non-carrier group (p<0.05).


Effect of Taekwondo Training on Physical Fitness and Growth Index According to IGF-1 Gene Polymorphism in Children.

Lee B, Kim K - Korean J. Physiol. Pharmacol. (2015)

Difference before and after the Taekwondo training for the circumference depending on the IGF-1 gene polymorphisms *p<0.05, +p<0.001.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4499646&req=5

Figure 3: Difference before and after the Taekwondo training for the circumference depending on the IGF-1 gene polymorphisms *p<0.05, +p<0.001.
Mentions: Fig. 3 shows the analysis of the body composition before and after Taekwondo training according to the IGF-1 gene polymorphism. The homozygote group presented significant increase in the thigh circumference compared to the heterozygote group (p<0.001) and the non-carrier group (p<0.05).

Bottom Line: IGF-1 concentration significantly (p<0.05) increased in the heterozygote group, while HOMA-IR significantly (p<0.05) decreased in the homozygote group.Furthermore, there was a significant (p<0.05) decrease in glucose in both the homozygote and the non-carriers groups.The difference between physical fitness and growth index depending on the IGF-1 gene polymorphism after Taekwondo training did not show consistent impact.

View Article: PubMed Central - PubMed

Affiliation: Department of Physical Education, Keimyung University, Daegu 704-701, Korea.

ABSTRACT
This study analyzed the effect of regular Taekwondo training for 16 weeks on physical fitness and growth index depending on different IGF-1 gene polymorphisms. The subjects of the study were 44 male students who were 8 year years old. The IGF-1 gene showed the highest frequency of 18 CA repeat (190 bp) in 50% of subjects, and was found in the homozygote (n=11), heterozygote (n=22) and non-carriers (n=11). The results of the physical fitness and growth index among the gene polymorphism groups indicated no significant differences but the expected height of the non-carrier group was significantly high (p<0.05). After Taekwondo training, the homozygote group and the non-carrier groups demonstrated significant (p<0.05) increase in grip strength and in time in the standing with one leg while closing eyes test, respectively. Only the homozygote group had a significant (p< 0.05) increase in thigh circumference. IGF-1 concentration significantly (p<0.05) increased in the heterozygote group, while HOMA-IR significantly (p<0.05) decreased in the homozygote group. Furthermore, there was a significant (p<0.05) decrease in glucose in both the homozygote and the non-carriers groups. The difference between physical fitness and growth index depending on the IGF-1 gene polymorphism after Taekwondo training did not show consistent impact.

No MeSH data available.