BACKGROUND Physical activity in midlife has been related to lower mortality and better health in old age. The present study evaluated whether physical activity at age of 20-64 years was associated with mobility and muscle strength in old age. METHODS A random sample of 1,000 persons was extracted from all the ≥75-year-old people living in Kuopio, Finland, and 679 community-dwelling participan...

this study aimed at investigating the variations of blood pressure, heart rate and oxygen consumption and their relationship with body lipid profile in active and inactive students. 10 active students (mean age 21 yr, weight 68.1 kg and height 174.1 cm) and 10 inactive students (mean age 21.5 yr, weight 73.07 kg and height 177 cm) from shahid rajaee teacher training university who volunteered t...

Tourette syndrome (TS) and tic disorders represent events of familiar magnitude characterized by involuntary movements and/or vocalization. To determine the prevalence of TS/tic disorders we studied a sample of 762 subjects (388 M, 374 F), between 1992 and 1997, age 6 to 43 years old, taken out of a population of 10,155 subjects (4,918 M, 5,237 F; age: 3-56 years old). A structured 4-item quest...

introduction: during the recent decades, many scholars focused on the physical activities as an influencing factor on psychological and mental status. concerning the importance of university students’ mental health, this paper investigates the effects of physical activities on promoting their mental health. materials & methods: in this descriptive analytical study, 200 female students of shahee...

introduction: to evaluate the reliability, validity and feasibility of the persian version of the pediatric quality of life inventory (pedsql™ 4.0tm 4.0) generic core scales in iranian healthy students ages 7-15 and chronically ill children ages 2-18. methods: we followed the translation methodology proposed by developer to validate persian version of pedsql™ 4.0tm 4.0 generic core scales for c...

introduction: genetic and health factors along with ethnicity and geographic location are factors that affect the time of puberty onset. the aim of the present study was to evaluate the mean age of onset of puberty and its stages in boys of yazd. methods: this cross- sectional study with random clustering sampling method was conducted on 1018 healthy 9-16 years old male students of yazd. all ca...

To examine changes in the time spent in each mode of transportation used for going to school by gender and age among adolescents from Santa Catarina State, Brazil. Two school-based surveys were performed in 2001 (N = 5,028) and 2011 (N = 6,529) in high school students (15-19 years old). The mode of transportation (on foot; by bicycle; by bus; car/motorcycle) and the time spent for commuting to ...

OBJECTIVE We were interested in the prevalence of smoking amongst teen-age students, its possible causes, and their understanding of its associated health risks. METHODS We constructed a questionnaire that was responded to by a total of 419 students from 5 high schools in Prague, Czech Republic. Students were classified as non-smokers, mild (1-10 cigarettes daily), moderate (11-20 cigarettes ...

OBJECTIVES To establish the prevalence of back pain in German elite athletes; examine the influence of age, sex, sports discipline and training volume; and compare elite athletes with a physically active control group. METHODS A standardized and validated online back pain questionnaire was sent by the German Olympic Sports Confederation to approximately 4,000 German national and international...