Dr.Hab., Professor N.I. Dvorkina1
Dr.Hab., PhD, Professor L.S. Dvorkin2
1Kuban State University of Physical Culture, Sport and Tourism, Krasnodar
2Children's and Youth Sports School named after V.N. Machuga of Pereyaslovskaya village, Bryukhovetsky district, Krasnodar region
The study was designed to rate effects of sporting activities (athletic gymnastics and running) on age-specific morphological maturity of 7-16 year-old schoolchildren. The morphological maturity of the subjects was rated by the following criteria: body length, body weight, hand strength, back strength and Quetelet index. The subjects were split up into two sport groups (all boys), one group (n=20) trained in athletic gymnastics and the other group (n=21) in sprint and middle-distance running. The subjects morphological maturity was rated by the morphological maturity index (MMI, in standard units) calculated using the proposed formula. The study data and analyses showed that the effects of physical activity versus the MMI are insignificant for the 7-10 year-olds. The MMI of the 11-16 year-olds were found more sensitive to the strength-building athletic gymnastics in the boys’ sexual maturation (pubescence) period when the muscular mass grows. The group progress as verified by the MMI in this age period was found higher versus that of the sprinters and middle-distance runners’ group.
Keywords: morphological maturity, age specifics, index, schoolchildren, educational process rates, athletic gymnastics, track sports.Keywords: physical load, academic sports, students, mental and physiological conditions.
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