Physical activity, &amp;OV0312;O2max, and jumping height in an urban population

Kujala, Urho M.; Viljanen, Tero; Taimela, Simo; Viitasalo, Jukka T.

doi:10.1249/00005768-199407000-00013

Cited by 17 publications

(19 citation statements)

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“…The relation of exercise habits to the physical indices was in accordance with that in earlier reports (Kujala et al 1994;Eaton et al 1995;Tager et al 1998).…”

Section: Discussionsupporting

confidence: 91%

“…Previous studies have reported that exercise can improve the fitness indices such as maximal or peak oxygen consumption ( _ V V O 2 max or _ V V O 2 peak, respectively), and some of the investigations suggested that exercising three or more times per week would significantly increase aerobic capacity (Vogel et al 1986;Wenger and Bell 1986;Kujala et al 1994;Fleccher et al 1995;Jackson et al 1995Jackson et al , 1996Dunn et al 1998).…”

Section: Introductionmentioning

confidence: 99%

“…However, few studies to date have examined the relationship between walk steps and fitness in a large population, except for one report on the relationships among _ V V O 2 max, VT and walk steps in middle-aged Japanese people (Ichihara et al 1996). Furthermore, most research dealing with physical activity and fitness has focused on the benefits of habitual exercise (Kujala et al 1994;Eaton et al 1995;Jackson et al 1995Jackson et al , 1996Tager et al 1998). The benefits of physical activity in subjects unaccustomed to exercise have not drawn attention.…”

Section: Introductionmentioning

confidence: 99%

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Effects of daily activity recorded by pedometer on peak oxygen consumption ($$ \dot V{\rm{O}}_2 {\rm{peak}} $$), ventilatory threshold and leg extension power in 30- to 69-year-old Japanese without exercise habit

et al. 2003

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The relationships among walk steps, exercise habits and peak oxygen consumption (VO2peak), ventilatory threshold (VT) and leg extension power (LEP) were examined in 709 apparently healthy Japanese subjects (male 372, female 337) aged 30-69 years. Walk steps were evaluated using a pedometer. VO2peak and VT were assessed by a cycle ergometer test, while LEP was measured with an isokinetic leg extension system (Combi, Anaero Press 3500, Japan). Subjects who participated in exercise three times or more a week demonstrated significantly greater VO2peak and VT when compared with subjects without exercise habits. When a separate analysis was conducted on subjects who exercised fewer than three times per week, we found that the subgroup with the highest number of walk steps showed significantly greater VT in all male subjects and female subjects aged 30-49 years, but a significantly greater VO2peak only in females aged 30-49 years, when compared to the subgroup with the fewest walk steps. These results suggest that although some people exercise less than three times a week, if they are quite active in daily life, such activities might also confer benefits upon their fitness.

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“…The relation of exercise habits to the physical indices was in accordance with that in earlier reports (Kujala et al 1994;Eaton et al 1995;Tager et al 1998).…”

Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of daily activity recorded by pedometer on peak oxygen consumption ($$ \dot V{\rm{O}}_2 {\rm{peak}} $$), ventilatory threshold and leg extension power in 30- to 69-year-old Japanese without exercise habit

et al. 2003

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“…Among the subgroup without OA, weightlifters had the highest and shooters the lowest vertical jump results. However, the shooters were more physically active than the general population and jumped higher than did healthy sedentary male subjects in a similar population sample (Kujala et al 1994b). In the multiple linear regression analysis, participation in team-sports during the past 12 months and lifetime participation in power-sports were associated with a high vertical-jump result, and age, reported hip or knee disability, and knee-pain decreased vertical jumping height.…”

Section: Discussionmentioning

confidence: 86%

“…In the oldest group, the most important variable was home gymnastics. Also among a sample of a Finnish urban population everyday physical activity has been related to vertical jumping height, and subjects participating in mixed training could jump higher than those participating only in typical aerobic training (Kujala et al 1994b). Hip and knee OA and pain may lower physical activity and thus reduce muscle-function.…”

Section: Discussionmentioning

confidence: 99%

Jumping height in former elite athletes

Kettunen

Räty

Sarna

1999

European Journal of Applied Physiology

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To evaluate lower-limb explosive strength with respect to lifetime athletic activity, we measured vertical jumping height on a contact mat in former male runners (n = 28). soccer players (n = 31), weightlifters (n = 29) and shooters (n = 29) (age range 45 68 years). There were no statistically significant age-adjusted sport-group differences in jumping height, but differences by sport were evident among the subgroup of athletes without hip or knee osteoarthritis (n = 65) (P < 0.05). Thus, sports that increased jumping height also predisposed to lower-limb osteoarthritis. After adjustment for age and sport, the subjects without osteoarthritis jumped higher than those with osteoarthritis (n = 33) (P < 0.01). In a multiple linear regression analysis, age, reported hip and knee disability, and knee pain reduced jumping height. Hours spent in team-training during the past 12 months and the hours spent during their lifetime in power training were associated with improved vertical jumping height and together explained 41% of the difference among the subjects. The ability to jump even among athletes with hip or knee osteoarthritis would suggest that former elite athletes possess advanced lower limb muscle function.

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Relationship of Leisure-Time Physical Activity and Mortality

Kujala¹,

Kaprio²,

Sarna³

et al. 1998

JAMA

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516

373

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Context.-Physical activity and fitness are believed to reduce premature mortality, but whether genetic factors modify this effect is not known. Objective.-To investigate leisure physical activity and mortality with respect to familial aggregation of health habits during childhood and factors that may enable some individuals to achieve higher levels of fitness. Design.-Prospective twin cohort study. Setting.-Finland. Subjects.-In 1975, at baseline, 7925 healthy men and 7977 healthy women of the Finnish Twin Cohort aged 25 to 64 years who responded to a questionnaire on physical activity habits and known predictors of mortality. Those who reported exercising at least 6 times per month with an intensity corresponding to at least vigorous walking for a mean duration of 30 minutes were classified as conditioning exercisers, those who reported no leisure physical activity were classified as sedentary, and other subjects were classified as occasional exercisers. Main Outcome Measures.-All-cause mortality and discordant deaths among same-sex twin pairs from 1977 through 1994. Results.-Among the entire cohort, 1253 subjects died. The hazard ratio for death adjusted for age and sex was 0.71 (95% confidence interval [CI], 0.62-0.81) in occasional exercisers and 0.57 (95% CI, 0.45-0.74) in conditioning exercisers, compared with those who were sedentary (P for trend Ͻ.001). Among the twin pairs who were healthy at baseline and discordant for death (n=434), the odds ratio for death was 0.66 (95% CI, 0.46-0.94) in occasional exercisers and 0.44 (95% CI, 0.23-0.83) in conditioning exercisers compared with those who were sedentary (P for trend, .005). The beneficial effect of physical activity remained after controlling for other predictors of mortality. Conclusion.-Leisure-time physical activity is associated with reduced mortality, even after genetic and other familial factors are taken into account.

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Physical activity, &OV0312;O2max, and jumping height in an urban population

Cited by 17 publications

References 0 publications

Effects of daily activity recorded by pedometer on peak oxygen consumption ($$ \dot V{\rm{O}}_2 {\rm{peak}} $$), ventilatory threshold and leg extension power in 30- to 69-year-old Japanese without exercise habit

Effects of daily activity recorded by pedometer on peak oxygen consumption ($$ \dot V{\rm{O}}_2 {\rm{peak}} $$), ventilatory threshold and leg extension power in 30- to 69-year-old Japanese without exercise habit

Jumping height in former elite athletes

Relationship of Leisure-Time Physical Activity and Mortality

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