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1

The importance of body mass normalisation for ultrasound measurements of the morphology of oblique abdominis muscles: the effect of age, gender, and sport practice

100%
Linek P.
Folia Morphologica
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2018
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tom 77
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nr 1
Some studies have not considered body mass as a confounder in analysis of oblique abdominis muscles (OAM) (including the oblique externus [OE] and oblique internus [OI]), which may have led to improper interpretation of results. To assess the differences in the effect of age, gender, and physical activity between normalised for body mass and actual values of the OAM as well as to establish the effect of age, gender, and physical activity on normalised for body mass OAM thicknesses in adolescents. A real-time ultrasound was used to obtain images of the OAM. Body mass normalisation for OAM thicknesses was performed with allometric scaling and the following equations: Allometric-scaled OE = OE thickness/body mass⁰‧⁸⁸; Allometric-scaled OI = OI thickness/body mass⁰‧⁷². Analysis showed that boys have significantly thicker OAM than girls, and those who practise sports have thicker OAM than non-active individuals. For allometric-scaled OAM, there was only a significant gender effect, where boys have thicker allometric-scaled OAM than girls. There was a significant correlation between participants’ age and the actual value of the OAM. The correlations between age and allometric-scaled OAM were insignificant. An analysis of OAM without body mass normalisation can lead to improper interpretation of study results. Thus, future studies should analyse OE and OI thickness measurements after normalisation rather than actual values. In the adolescent population, there is no effect of age and physical activity on allometric-scaled OAM; males have thicker allometric-scaled OAM than females. (Folia Morphol 2018; 77, 1: 123–130)
2
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Successful ageing. The role of physical activity and Its barriers in Polish men of advanced age

39%
Knapik A., Rottermund J., Saulicz E., Linek P., Warmuz-Wancisiewicz A., Mysliwiec A.
Central European Journal of Sport Sciences and Medicine
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2017
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tom 18
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nr 2
3

Physical activity in youth and level of kinesiophobia in older adults

39%
Saulicz E., Knapik A., Linek P., Rottermund J., Wolny T., Mysliwiec A.
Baltic Journal of Health and Physical Activity. The Journal of Gdansk University of Physical Education and Sport
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2016
|
tom 08
|
nr 2
Background: Previous physical activity may be a significant motivator for activity at an elder age. There is a lack of research regarding the kinesiophobia phenomenon in the elderly across a wide spectrum of its conditions. The purpose of this study was to investigate the level of kinesiophobia in older adults in the context of their physical activity in youth. Material and methods: The research was performed on a group of 520 people between 65 and 87 years old. Psychometric tools completed by the subjects were used. The tools consisted of two parts: a survey concerning the level of physical activity during childhood and youth as well as the Kinesiophobia Causes Scale. The Kinesiophobia Causes Scale allows researchers to determine the level of physical activity barriers across two domains: biological and psychological. Results: The lowest level of kinesiophobia in all of the examined areas (biological and psychological domains) was observed in women and men who, in their youth, were physically active (p < 0.0001). Conslusions: The results suggest that the level of physical activity during childhood and youth has a significant impact on the level of kinesiophobia at the older stages of human life.
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