scholarly journals ?HABITUAL PHYSICAL ACTIVITY AND HEART RATE LEVEL OF CHILDREN WITH DOWN'S SYNDROME

1981 ◽  
Vol 19 (1) ◽  
pp. 21-27 ◽  
Author(s):  
YOSHIKAZU KAMIMURA ◽  
KATSUHIKO KUSANO
Keyword(s):  
Physical Activity ◽  
Heart Rate ◽  
Down's Syndrome ◽  
Down’S Syndrome ◽  
Habitual Physical Activity ◽  
Rate Level ◽  
Heart Rate Level

Effets du statut socioéconomique sur l'activité physique d'enfants prépubères

2003 ◽  
Vol 28 (2) ◽  
pp. 190-203 ◽  
Author(s):  
Alexandre Melin ◽  
Philippe Obert ◽  
Pierre Bonnet ◽  
Daniel Courteix
Keyword(s):  
Physical Activity ◽  
Heart Rate ◽  
Socioeconomic Status ◽  
Normal Subjects ◽  
Habitual Physical Activity ◽  
Heart Rate Reserve ◽  
Statut Socioéconomique ◽  
The Mean ◽  
And Gender ◽  
Daily Time

In order to assess possible influences of socioeconomic status and gender on habitual physical activity (HPA) of prepubertal French children, daily heart rate was 24-hr-monitored in 65 normal subjects for 2 days in the same school week. HPA was evaluated as the mean daily time spent at heart rates greater than 140 bpm (tFC > 140), 160 bpm (tFC > 160), 50% (tFC > 50%), and 70% (tFC > 70%) of the heart rate reserve. An effect of socioeconomic status (determined by questionnaire) was found in boys, with HPA being greater in the underprivileged ones (tFC > 140: 51.8 ± 30.1 vs 33.0 ± 14.1 min, p < .05; tFC > 160: 22.7 ± 16.6 vs 11.1 ± 7.4 min, p < .05; tFC > 50%: 61.4 ± 33.5 vs 46.5 ± 17.1 min, p < .06; tFC > 70%: 20.1 ± 15.2 vs 10.6 ± 7.1, p < .05). Boys were more active than girls, but only in the underprivileged group (tFC > 140: 51.8 ± 30.1 vs 32.8 ± 26.0 min, tFC > 160: 22.7 ± 16.6 vs 9.9 ± 8.2 min, p < .05; tFC > 50%: 61.4 ± 33.5 vs 37.4 ± 23.8 min, p < .05; tFC > 70%: 20.1 ± 15.2 vs 8.1 ± 6.3, p < .05). Cultural factors could be involved in these results. Key words: habitual physical activity, heart rate, heart rate meter, gender, energy expenditure

Factors Affecting Heart Rate Variability in Preterm Infants

PEDIATRICS ◽  
1980 ◽  
Vol 65 (1) ◽  
pp. 50-56 ◽  
Author(s):  
Luis A. Cabal ◽  
Bijan Siassi ◽  
Bernardino Zanini ◽  
Joan E. Hodgman ◽  
Edward E. Hon
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Birth Weight ◽  
Preterm Infants ◽  
Gestational Age ◽  
Distress Syndrome ◽  
Good Prognosis ◽  
Factors Affecting ◽  
Rate Level ◽  
Heart Rate Level

Neonatal heart rate variability (NHRV) was studied in 92 preterm infants (birth weight, 750 to 2,500 gm; gestational age, 28 to 36 weeks). Each infant was monitored continuously during the first 6 hours and for one hour at 24, 48, and 168 hours of life. During each hour NHRV was quantified and related to the following parameters: sex, gestational age, postnatal age, heart rate, and the presence and severity of respiratory distress syndrome (RDS). NHRV in healthy preterm infants was inversely related to heart rate level and directly related to the infant's postnatal age. In healthy babies with gestations of 30 to 36 weeks there was no significant correlation between NHRV and gestation. Decrease in NHRV was significantly related to the severity of RDS, and the reappearance of NHRV in infants with RDS was associated with a good prognosis. Decreased NHRV significantly differentiated the infants with RDS who survived after the fifth hour of life. The data reveal that NHRV (1) should be corrected for heart rate level and postnatal age; (2) is decreased in RDS; and (3) can be used as an indicator of morbidity and mortality in preterm infants with RDS.

scholarly journals Mean Heart Rate Level Does Not Affect All Heart Rate Variability Indices

Hypertension ◽  
2017 ◽  
Vol 69 (5) ◽  
Author(s):  
Luiz Eduardo Virgilio Silva ◽  
Helio Cesar Salgado ◽  
Rubens Fazan
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Rate Level ◽  
Heart Rate Level ◽  
Mean Heart Rate

Short-Latency Acceleration of Human Heart Rate as a Function of Stimulus Intensity

1977 ◽  
Vol 45 (2) ◽  
pp. 579-583 ◽  
Author(s):  
J. G. O'Gorman ◽  
R. D. Jamieson
Keyword(s):  
Heart Rate ◽  
White Noise ◽  
Stimulus Intensity ◽  
Human Heart ◽  
Short Latency ◽  
Rate Level ◽  
Initial Values ◽  
Heart Rate Level ◽  
The Mean ◽  
Female Subjects

The study examined the effectiveness of three intensities of white noise in evoking short-latency acceleration of human heart rate. 3 groups of 10 female subjects were presented with 1-sec. bursts of white noise with virtually instantaneous rise times at intensities of 100 db (re 20 μN/m2), 90 db, or 80 db SPL as measured at the headset. 5 bursts were presented at intervals of 45 sec. while the EKG was recorded. An increase in heart rate during poststimulus beats 3 and 4 compared with the mean rate of the three beats prestimulus was reliably evoked on the first two trials in the 100-db and 90-db groups but not in the 80-db group. Apart from a recovery of acceleration on Trial 5 for the 100-db group, the 100-db and 90-db groups did not differ in amplitude or rate of habituation of the response. Poststimulus heart-rate level was not significantly related to prestimulus level as expected in terms of the law of initial values. The results were interpreted as consistent with F. K. Graham's interpretation of short-latency cardiac acceleration as a component of startle.

Peak Oxygen Uptake and Physical Activity in 11- to 16-Year-Olds

1990 ◽  
Vol 2 (4) ◽  
pp. 349-358 ◽  
Author(s):  
Neil Armstrong ◽  
John Balding ◽  
Peter Gentle ◽  
Joanne Williams ◽  
Brian Kirby
Keyword(s):  
Physical Activity ◽  
Heart Rate ◽  
Peak Oxygen Uptake ◽  
Cycle Ergometry ◽  
Habitual Physical Activity ◽  
Heart Rate Monitoring ◽  
Minute Period ◽  
Sufficient Intensity ◽  
The Relationship ◽  
Cardiopulmonary System

The present study examined the relationship between peak V̇O2 and habitual physical activity in 11- to 16-year-old students. The peak V̇O2 of 111 girls and 85 boys was determined using treadmill or cycle ergometry. Habitual physical activity was estimated from minute-by-minute heart rate monitoring over three 12-hr periods during normal school days. Over half of the girls and one third of the boys failed to sustain a single 10-min period with their heart rate at or above 140 bpm. Only one boy sustained a daily 20-minute period with a heart rate at or above 160 bpm. During Saturday monitoring over 90% of the girls and 75% of the boys failed to sustain a single 10-min period with their heart rate at or above 140 bpm, and only one girl and four boys sustained a 20-min period with their heart rate at or above 160 bpm. No significant relationship was detected between peak V̇O2 and heart rate indicators of habitual physical activity. This study suggests that few children have periods of physical activity of sufficient intensity and duration to stress the cardiopulmonary system.

Walking capacity in boys with Down's syndrome in Saudi Arabia

2020 ◽  
Vol 27 (2) ◽  
pp. 1-9
Author(s):  
Hatem H Allam ◽  
Mosfer A Al-Walah ◽  
Lamiaa K Elsayyad
Keyword(s):  
Physical Activity ◽  
Saudi Arabia ◽  
Down's Syndrome ◽  
Down’S Syndrome ◽  
Activity Levels ◽  
Typical Development ◽  
Walking Capacity ◽  
6 Minute Walk Test ◽  
Minute Walk

Background/Aims Children with Down's syndrome are often considered to be sedentary and less likely to engage in the recommended levels of physical activity. The aim of this study was to compare the walking capacity of male children with Down's syndrome with a group of typically healthy age-matched children in Saudi Arabia. Methods A total of 78 male children aged from 8 to 12 years participated in the study. They were divided into two groups. The first group comprised 37 male children with Down's syndrome, recruited from the Down's Syndrome Charitable Association and Al-Nahda Schools. The second group comprised 41 male children with typical development, who were recruited from regular schools in the same region. Walking capacity was measured with the 6-Minute Walk Test. Results The children with Down's syndrome had significantly reduced 6-Minute Walk Distance scores than children with typical development. Conclusions There is a need to establish good strategies, programmes and early interventions designed to promote physical activity levels and improve the quality of life for people with Down's syndrome.

Assessment of physical activity in youth

2008 ◽  
Vol 105 (3) ◽  
pp. 977-987 ◽  
Author(s):  
Kirsten Corder ◽  
Ulf Ekelund ◽  
Rebekah M. Steele ◽  
Nicholas J. Wareham ◽  
Søren Brage
Keyword(s):  
Physical Activity ◽  
Heart Rate ◽  
Energy Expenditure ◽  
Nonlinear Modeling ◽  
Habitual Physical Activity ◽  
Self Report ◽  
Multisensor Systems ◽  
Activity Assessment ◽  
Modeling Techniques ◽  
Biomechanical Changes

Despite much progress with physical activity assessment, the limitations concerning the accurate measurement of physical activity are often amplified in young people due to the cognitive, physiological, and biomechanical changes that occur during natural growth as well as a more intermittent pattern of habitual physical activity in youth compared with adults. This mini-review describes and compares methods to assess habitual physical activity in youth and discusses main issues regarding the use and interpretation of data collected with these techniques. Self-report instruments and movement sensing are currently the most frequently used methods for the assessment of physical activity in epidemiological research; others include heart rate monitoring and multisensor systems. Habitual energy expenditure can be estimated from these input measures with varying degree of uncertainty. Nonlinear modeling techniques, using accelerometry perhaps in combination with physiological parameters like heart rate or temperature, have the greatest potential for increasing the prediction accuracy of habitual physical activity energy expenditure. Although multisensor systems may be more accurate, this must be balanced against feasibility, a balance that shifts with technological and scientific advances and should be considered at the beginning of every new study.

675 HABITUAL PHYSICAL ACTIVITY MEASURED BY 24-HOURS HEART RATE IN 10???12 YEAR OLD NATIVE BOLIVIAN BOYS

1993 ◽  
Vol 25 (Supplement) ◽  
pp. S121
Author(s):  
J. Slooten ◽  
H. C.G. Kemper ◽  
G. B. Post ◽  
C. Lujan ◽  
J. Coudert
Keyword(s):  
Physical Activity ◽  
Heart Rate ◽  
Habitual Physical Activity
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