background:  physical activity is a complex behavior. to designing the effective intervention, qualitative researches may be allowed for greater understanding of the reasons behind the adolescences’ physical activity‑related behaviors’. methods: using the grounded theory approach, including semi‑structured focus group discussions  (fgds) and in‑depth interviews, we conducted a quantitative stud...

introduction: the old age is one of the vulnerable classes of people in every society. the most important issue concerning the improvement of health and quality of life of the old age deals with preservation of a high degree of their independence in physical activities and continuation of an active life. the present research aimed at comparing the effect of two types of physical activity in wat...

this review based upon studies searched from the major scientific libraries has the objective of clarifying what is fitness training in modern days, the implications that it has on health in both youth and elderly and finally discuss fitness training practical implications.the prisma statement was partially adopted and a number of 92 items were selected, according to the inclusion criteria. res...

PURPOSE: To determine the relationships between objectively measured and self-reported physical activity, sedentary behavior, and academic performance in Finnish children. METHODS: Two hundred seventy-seven children from five schools in the Jyväskylä school district in Finland (58% of the 475 eligible students; mean age 12.2 years; 56% girls) participated in the study in the spring of 2011. Sel...

One of the health objectives for the nation is to have 60% of adults 18-64 years regularly active in vigorous physical activity by 1990. In this paper an effort is made to determine whether American society is making satisfactory progress toward this goal. Two independent databases are analyzed: time diaries collected from a national sample of American adults in 1981; and the Simmons Market Res...

1 Universidade Federal de Juiz de Fora, Faculdade de Educação Física e Desportos, Programa de Pós-Graduação em Psicologia. Campus Universitário R. José Lourenço Kelmer, s/n., São Pedro, 36036-900, Juiz de Fora, MG, Brasil. Correspondência para/Correspondence to: LS FORTES. E-mails: ; . 2 Universidade de São Paulo, Faculdade de Filosofia,...

background physical activity is an important component of health in old age that provides personal independence, physical ability, and quality of life. objectives the current study aimed to evaluate physical activity and associated factors among the elderly population in kashan, iran. patients and methods this is a descriptive cross-sectional study. the sample was 400 elderly people (aged more ...