THE SECULAR TREND IN MOTOR-SKILL ABILITIES OF GIRLS WITH A VARIED RATE OF BIOLOGICAL MATURATION

IF 0.2 Q4 SPORT SCIENCES
Agnieszka Wasiluk, Jerzy Saczuk
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引用次数: 0

Abstract

The aim of the study was to describe generational changes in the rate of puberty and motor skills of nonmenstruating and menstruating girls from eastern Poland in the years 1986–2016. The research material consisted of the results of 11,700 girls from eastern Poland. Physical fitness was assessed by means of the International Physical Fitness Test. Based on the test answers regarding the date of the first menstruation, using the "status quo" method, the fraction of already menstruating girls in relation to all the studied female students, as well as the mean age of the menarche were calculated. The differences in the results between the individual stages of the research were estimated using the t-Student test for independent samples. In the analyzed thirty-year timeframe, in the eastern part of the country, the percentage of menstruating girls in relation to non-menstruating girls increased significantly, while the menarche age decreased. In non-menstruating girls, an improvement in the results of hand strength, torso strength and agility was observed, as well as a reduction in the power of the lower limbs, running endurance, speed and torso flexibility. Slight, statistically insignificant differences were found in functional strength. On the other hand, in menstruating girls the results in lower limb power, speed, running endurance, and torso flexibility had decreased. Only hand strength and torso strength results had improved. The results of functional strength and agility were at a similar level. Girls with the same calendar age, but with a different maturation rate, were characterized by similar secular trends in physical fitness. On the other hand, greater negative and smaller positive changes in the level of motor skills were found in menstruating girls.
不同生理成熟率的女孩运动技能能力的长期趋势
该研究的目的是描述1986年至2016年波兰东部非经期和经期女孩青春期和运动技能的代际变化。研究材料包括来自波兰东部的11,700名女孩的结果。通过国际体质测试评估身体素质。根据第一次月经日期的测试答案,采用“现状”法,计算已经来月经的女生占所有被研究女生的比例,以及月经初潮的平均年龄。使用独立样本的t-Student检验估计了研究各个阶段之间结果的差异。在分析的30年时间框架内,在该国东部,月经来潮的女孩与未月经来潮女孩的比例显著增加,而月经初潮的年龄下降。在非经期女孩中,观察到手部力量、躯干力量和敏捷性的改善,以及下肢力量、跑步耐力、速度和躯干灵活性的减少。在功能强度方面发现轻微的、统计上不显著的差异。另一方面,在月经期的女孩中,下肢力量、速度、跑步耐力和躯干柔韧性的结果都有所下降。只有手部力量和躯干力量的结果有所改善。功能强度和敏捷性的结果处于相似的水平。日历年龄相同但成熟率不同的女孩,在身体健康方面具有相似的长期趋势。另一方面,经期女孩在运动技能水平上的消极变化更大,积极变化更小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Acta Kinesiologica
Acta Kinesiologica SPORT SCIENCES-
自引率
33.30%
发文量
18
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