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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE
A Journal on Internal Medicine and Pharmacology
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Scopus, Emerging Sources Citation Index
Gazzetta Medica Italiana Archivio per le Scienze Mediche 2012 October;171(5):639-51
Relationship between physical capacity and physical activity in adolescents
Mikaelsson K. 1, Lysholm J. 2, Nyberg L. 1, Michaelson P. 1
1 Luleå University of Technology, Department of Health Science, Division of Health and Rehabilitation;
2 Umeå University, Department of Surgical and Perioperative Sciences-Orthopedics
Aim. Physical activity and physical capacity are important health related parameters for all age-groups. Yet, little is known about the relationship between physical activity and physical capacity amongst adolescents about to leave compulsory education. The aim of the study was to investigate how physical capacities are related to self-reported energy expenditure on physical activities at different levels of physical activity and amount of time spent sitting among graduates of upper secondary school.
Methods. In total, 99 third grade students participated from upper secondary school. Levels of physical activity and the amount of time spent sitting were assessed using the International Physical Activity Questionnaire (IPAQ). The energy expenditure was calculated based on the activity determined by the IPAQ. The participants’ physical capacity was tested using VO2max, muscle strength and balance measures. The relationship between physical activity and physical capacity was addressed using linear regression models.
Results. There was significant relationship between Total METs and aerobic capacity (R2 = 0.15), push-ups (R2 = 0.08) and sit-ups (R2 = 0.07). A stronger significant relationship was revealed for activity performed on Vigorous activity METs for aerobic capacity (R2 = 0.23), push-ups (R2 = 0.18) and sit-ups (R2 = 0.10). The regression analyses for Moderate activity METs, Walking activity METs and time spent Sitting showed no significant relationship to any measures of physical capacity.
Conclusion. For adolescents, the intensity of physical activity is of importance for achieving high aerobic capacity, and the amount of time spent sitting does not influence physical capacity.