Influence of extremely low temperatures on selected human motor activities

Joanna Łuczak, Joanna Michalik

Joanna Łuczak, Joanna Michalik – Influence of extremely low temperatures on selected human motor activities. Fizjoterapia Polska 2006; 6(3); 206-211

Abstract
Background. The aim of the study was to evaluate the influence of extremely low temperatures (-100°C, -130°C, -160°C) on selected motor skills: flexibility, equilibrium, speed and dynamic abdominal muscles power. Material and methods. The study group covered 300 men, who permanently, by reason of their occupation, practice sports professionally. Participants were randomized into 3 groups attending to whole-body cryotherapy in following temperature: A -100°C, B -130°C and C -160°C. During each procedure patients were treated for 2 minutes in the cryochamber and then by 20 minutes exercise therapy. Before and after program consisted of 10 procedures 4 motor skills of patients were estimated and results were statistically analyzed using Wilcoxon test. Differences of motor skills were calculated separately for each person and findings of each study group were compared using Kruskal-Wallis test. Results. No statistically significant differences were found after matching of flexibility test results between groups treated in 3 different temperatures. Greatest improvement of equilibrium was noticed in group of patients attending to procedures in -160°C temperature (p<0.01). Change of speed was highest in the group of patients treated in -100°C, but average values was twice upper from other groups (p<0.0001). Increase of dynamic abdominal muscles power was also highest in group A — values were twice high from group C (p<0.001). Conclusions. Whole-body cryotherapy positively effects on selected human motor skills. The results of the short-term study not allowed choosing clearly from used temperatures which induced more positive improvement. A long-term research and the economic calculation are necessary to perform complete analysis.

Key words:
cryotherapy, whole-body cryotherapy, cryochamber, human motor skills

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Uvjetovanje tjelesne aktivnosti studentica Više škole inženjerije i zdravlja

Joanna Łuczak, Agata Wolska, Joanna Michalik

J. Łuczak, A. Wolska, J. Michalik – Determinants of physical activity students of the College of Engineering and Health. Fizjoterapia Polska 2019; 19(2); 158-167

Abstract
Aim. The study aimed to find determinants of physical activity (PA) assessed by the International Physical Activity Questionnaire IPAQ.
Material and methods. Study group: 249 women, age 18–30 (AVG 22.8, SD 2.7), students of the College of Engineering and Health. IPAQ (short version) and proprietary questionnaire were performed, the stature and body mass of the respondents were measured.
Results. The total level of students PA was 2524 MET-min/week, including walking 1463, vigorous activities 540, and moderate 521. High-level PA was found more often in those doing sports, but not in connection with work or daily activities (p < 0.0001). Students with high PA also practised sports in the past, not strictly during PE lessons (p < 0.05) and come from homes where the sport was practised by parents or grandparents (p < 0.001).
Conclusions
1. Among students of speciality cosmetology at the College of Engineering and Health: 17.67% have low, 52.21% moderate, and 30.12% high level of physical activity.
2. The subgroup with a high level of physical activity in the studied group is those who are regularly playing sports. The level of activity is not related to full-time or part-time studies or combining studies with work.
3. People who in addition to PE in the primary school, middle or high school were playing sport, also practice sports more often during their studies.
4. The pattern transmitted in the family is significant – often in adult life sport is practised by people whose grandparents or parents also played sports regularly.

Key words:
physical activity level, assessment of physical activity, IPAQ, determinants of physical activity

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