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Use of different methods for testing morphological characteristics and evaluation of body tissue composition of swimmers

100%
Pietraszewska J., Jakubowski W.
Central European Journal of Sport Sciences and Medicine
|
2013
|
tom 03
|
nr 3
Specific characteristics of sport disciplines require their performers to meet certain demands, also those related to body build. A success is conditioned, among other things, by the morphological structure of competitors. For this cause, their somatic features should be taken into consideration in the selection process. The aim of this research was to describe the level of morphological development and body proportions of swimmers in comparison to their non-practicing peers. What is more, different methods were used to evaluate body tissue composition. The research was based on the measurements of 33 swimmers and 36 non-practicing sport males as a control group, with the average training period of 9 years. The subjects ranged from 18 to 23 years of age. The anthropometric features were examined. Two methods, anthropometric and bioelectrical impedance, were used to estimate the amount of body fat. Athletes performing swimming are characterized by the significant body height, long trunk, wide range of arms and highly developed shoulder girdle. Directed and systematic training has an influence on a great development of the upper part of the trunk and a slight decrease in body fat. The observed differences indicate that depth, circumference and mobility of the chest developed in swimming have a positive influence on the respiratory system. Poor differences observed in the amount of fat in the athletes and non-practicing subjects may result from the fact that the body accumulates fat tissue, used as a good thermal insulation.
2

Proctocaecum blairi sp. nov. [Digenea, Cryptogonimidae] from the freshwater crocodile, Crocodylus johnstoni, in Northern Territory, Australia

80%
Tkach V. V., Snyder S. D.
Acta Parasitologica
|
2010
|
tom 55
|
nr 3
240-244
Proctocaecum blairi sp. nov. is described from specimens found in the intestine of an Australian freshwater crocodile, Crocodylus johnstoni, from Northern Territory, Australia. The most important diagnostic features of the new species are the body proportions and size, the position of the pharynx (relative length of the prepharynx and oesophagus), the relative length and position of the vitelline fields, and the number, shape and size of the circumoral spines. The new species is morphologically most similar to Proctocaecum atae, P. elongatum, P. crocodili, P. gairhei and Acanthostomum slusarskii. It differs from all of these species in having a much longer prepharynx, and differs from both P. atae and P. crocodili in having a much longer body and posteriorly situated vitelline fields. Proctocaecum blairi sp. nov. differs from P. elongatum in having a shorter body, a greater forebody to hindbody ratio, a much smaller ventral sucker, and a higher number of circumoral spines (23 vs 21 in P. elongatum). The new species differs from P. gairhei in possessing a much larger body length:width ratio and an ovary separated from the anterior testis by a seminal receptacle. Acanthostomum slusarskii lacks a gonotyl and has fewer circumoral spines than the new species. Proctocaecum blairi sp. nov. is the third species of Proctocaecum and the fourth cryptogonimid species known from crocodiles in Australia.
3

Evaluation of acceleration of somatic development of Lublin newborns over the period of twenty years

80%
Zatorska M.
Studies of Human Ecology
|
1992
|
tom 10
4

Values of somatic traits and of body proportion indices in male and female newborns of Lublin

80%
Zatorska M.
Studies of Human Ecology
|
1992
|
tom 10
5

Sexual dimorphism in newborns and adults

80%
Antoszewska A., Wolanski N.
Studies of Human Ecology
|
1992
|
tom 10
6

Recrutation and settlement of young flounder [Platichthys flesus] in the western part of the Gulf of Gdansk [Baltic]

70%
Sapota M. R., Kaminska U.
Oceanological Studies
|
1998
|
tom 27
|
nr 3
7

Latent factors in body build of newborns

70%
Antoszewska A.
Studies of Human Ecology
|
1992
|
tom 10
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