The Influence of 24-Hour Sleep Deprivation on the Strength of Lower Limb Muscles in Young and Physically Fit Women and Men

Karolina Kujawa, Marta Ołpińska-Lischka and Janusz Maciaszek
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Karolina Kujawa: Department of Physical Activity and Health Promotion Science, Poznan University of Physical Education, Królowej Jadwigi 27/39, 61-871 Poznań, Poland
Marta Ołpińska-Lischka: Department of Physical Activity and Health Promotion Science, Poznan University of Physical Education, Królowej Jadwigi 27/39, 61-871 Poznań, Poland
Janusz Maciaszek: Department of Physical Activity and Health Promotion Science, Poznan University of Physical Education, Królowej Jadwigi 27/39, 61-871 Poznań, Poland

Sustainability, 2020, vol. 12, issue 7, 1-11

Abstract: The aim of this study was to investigate the influence of 24-h sleep deprivation on the muscle strength of young, healthy and physically fit people. The research material consisted of physical education students. In total, 67 people participated in the study, including 38 women and 29 men. Respondents were divided into an experimental group “E” of 44 persons subjected to 24-h sleep deprivation and a control group “C” of 23 persons. Students completed the Epworth Sleepiness Scale (ESS) measuring daytime sleepiness. Students performed measurements of the maximum strength of knee joint extensor and flexor muscles. Measurements of muscle strength of flexors and extensors of the knee were taken on a UPR-02 A/S chair with Moment II by Sumer software. ANOVA (analysis of variance) was used to determine the significance of differences between experimental “E” and control “C” group. Statistical significance was defined at the level of p ≤ 0.05. Statistically significant differences were observed in the change of strength levels between groups at the strength moments of right ( p < 0.05, η 2 p = 0.16) and left ( p < 0.05, η 2 p = 0.08) knee muscles extensor. Changes in extensor muscle strength are significant for students with left dominant legs.

Keywords: sleep loss; sleep deprivation; strength; knee joint; physical performance; students (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
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