Validity and Reliability of the 1/2-Mile Run-Walk as an Indicator of Aerobic Fitness in Children with Mental Retardation

1996 ◽  
Vol 8 (2) ◽  
pp. 130-142 ◽  
Author(s):  
Bo Fernhall ◽  
Ken Pitetti ◽  
Nancy Stubbs ◽  
Louis Stadler
Keyword(s):  
Body Mass Index ◽  
Heart Rate ◽  
Mental Retardation ◽  
Body Mass ◽  
Aerobic Capacity ◽  
Aerobic Fitness ◽  
Maximal Heart Rate ◽  
Validity And Reliability ◽  
Reliable Test ◽  
The Relationship

The purpose of this study was to determine the relationship between VO2max and the 1/2-mile run-walk and the reliability of each in children with mental retardation (MR). Twenty-three children (13 boys, 10 girls) with mild or moderate MR participated in the study. Two maximal treadmill protocols with metabolic measurements and two 1/2-mile run-walk trials were randomly conducted on separate days. There was no difference between Trial 1 and Trial 2 for VO2max (28.2 vs. 29.6 ml · kg−1 · min−1), maximal heart rate (175 vs. 177 bpm), or run-walk time (7.2 vs. 7.1 min). The test-retest correlations were r = .90 for VO2max, r = .81 for maximal heart rate, and r = .96 for the 1/2-mile run-walk (p < .05). The correlation between VO2max and the 1/2-mile run-walk was r = −.60 (p < .05). Adding body mass index to the model improved R to .67 (SEE = 7.3). The 1/2-mile run-walk was a reliable test, but had questionable validity as an indicator of aerobic capacity in children with mild and moderate MR.

scholarly journals Evidence of Hypertension in Healthy Children and Its Association with Body Composition and Aerobic Capacity

2020 ◽  
Vol 9 (2) ◽  
pp. 116-121
Author(s):  
Aaron Azzu Tetteh ◽  
Monday Omoniyi Moses
Keyword(s):  
Blood Pressure ◽  
Body Mass Index ◽  
Heart Rate ◽  
Body Composition ◽  
Bone Mass ◽  
Body Mass ◽  
Aerobic Capacity ◽  
Visceral Fat ◽  
Fat Free Mass ◽  
Healthy Children

Hypertension is mostly associated with adulthood and old age with little attention on children. This study provided evidence of hypertension in healthy children and its association with body composition and aerobic capacity (VO2max). 266 healthy children aged 8-11 years were recruited for the study. Blood pressure, heart rate, body mass index (BMI), basal metabolic rate (BMR), fat free mass, bone mass, visceral fat, total body water (TBW), and VO2max were measured. 18.79% were pre-hypertensive and 9.40% overweight at least, while 65.42% underweight. Correlation between blood pressure and maxVO2 was significant (P < 0.05). VO2max significantly correlate with body mass index (r = -.415, P < 0.05), fat mass (r = -.385, P < 0.05) negatively and visceral fat (r = -.267, P < 0.05) and positive with fat free mass (r =.385, P < 0.05) and bone mass (r =.077, P < 0.05). Gender differences were significant in BMR, TBW, VO2max and heart rate (P < 0.05). Evidence of hypertension in relatively healthy children is a clarion call to avert unprecedented decline in future life expectancy rate. Physical activity interventions are suggested antidotes to avert the risk factors of hypertension and excess body fat in children

scholarly journals Body mass index mortality paradox in chronic kidney disease patients with suspected cardiac chest pain.

2017 ◽  
Vol 2 (1) ◽  
Author(s):  
Jamie Michael O'Driscoll ◽  
Adrian Slee ◽  
Rajan Sharma
Keyword(s):  
Body Mass Index ◽  
Chronic Kidney Disease ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Risk Factor ◽  
Kidney Disease ◽  
Body Mass ◽  
All Cause Mortality ◽  
The Relationship

Background: Chronic kidney disease (CKD) is a silent clinical condition associated with adverse comorbidity and high cardiovascular disease (CVD) risk. An inverse relationship with body mass index (BMI) and mortality has been demonstrated in hemodialysis patients. However, it is unclear if this risk-factor paradox is evident in non-dialysis CKD patients. The aims of this study were to explore the relationship between, nutritional status, markers of inflammation, autonomic and cardiac function with BMI. Longitudinal follow-up explored the relationship between BMI and all-cause mortality. Methods: 211-consecutive CKD patients referred for dobutamine stress echocardiography to detect or exclude myocardial ischemia were recruited. BMI, albumin, C-reactive protein (CRP) and haemoglobin (Hb) were recorded as markers of nutritional and inflammatory status. Left ventricular ejection fraction (LVEF) and heart rate variability (HRV) as an indicator of cardiac function was recorded. All subjects were followed prospectively until November 2014 and study end-point was all-cause mortality. Results: BMI was inversely associated with CKD status. After covariate adjustment, this association remained. During a mean follow-up period of 3.3±0.9 years there were 35 deaths (17%). BMI was inversely associated with all-cause mortality (HR 0.81, 95% CI 0.71-0.9). Other important independent predictors of mortality were heart rate variability (HR 0.98, 95% CI 0.97-0.99), myocardial ischemia (HR 1.37, 95% CI 1.17-1.81), and albumin (HR 0.86, 95% CI 0.81-0.92). Conclusions: The presence of a body mass index paradox exists in non-dialysis CKD patients. This risk-factor paradox was an independent predictor of all-cause mortality and may have significant clinical implications relevant to screening, assessment and treatment and requires further study.

scholarly journals Capacidad aeróbica y su relación con parámetros de la condición física saludable en escolares

2015 ◽  
Vol 2 (2) ◽  
pp. 90
Author(s):  
Andrés Rosa Guillamón ◽  
Eliseo García-Cantó ◽  
Juan José Pérez Soto ◽  
Pedro Luís Rodríguez García
Keyword(s):  
Body Mass Index ◽  
Physical Fitness ◽  
Body Mass ◽  
Aerobic Capacity ◽  
Normal Weight ◽  
Analysis Of Covariance ◽  
Maximum Oxygen Consumption ◽  
Anthropometric Parameters ◽  
Cross Sectional ◽  
The Relationship

Background and objective: The aim of this study was to analyze the relationship between aerobic capacity and other parameters determining fitness in primary school. Methods: A cross-sectional descriptive study, 298 schoolchildren (139 males and 159 females) aged 8-12. Body composition (weight and height) and physical fitness (capacity, motor aerobic and musculoskeletal) was assessed by ALPHA-Fitness battery. Aerobic capacity and body mass index (under/normal-weight and overweight/obesity) were categorized using standard criteria. The variable motor / muscle overall capacity was calculated, and the maximum oxygen consumption (VO2max) was indirectly estimated.  Results: The analysis of covariance (ANCOVA) found that men have better values in the test 4x10m (p <0.001), longitudinal jump (p <0.001), Course-Navette (p <0.001) and in VO2max (p <0.001). The ANOVA test showed that schoolchildren with better aerobic capacity have lower weight and body mass index (p <0.001 for both), better performance in the test longitudinal jump (p <0.001) and better overall motor / muscle capacity, and increased VO2max (p <0.001 for both). Conclusion: The results of this study suggest that schoolchildren with healthy cardiorespiratory fitness had better physical fitness and are more likely to have healthy anthropometric parameters.

Aerobic fitness influences rest and heart rate recovery on young men regardless of body mass index

2017 ◽  
Vol 13 (1) ◽  
pp. 217-223 ◽  
Author(s):  
Jaqueline Alves de Araújo ◽  
Marilene Gonçalves Queiroz ◽  
Fabiula Isoton Novelli ◽  
Laila Cândida de Jesus Lima de Sousa ◽  
Gabriel Kolesny Tricot ◽  
...  
Keyword(s):  
Body Mass Index ◽  
Heart Rate ◽  
Body Mass ◽  
Aerobic Fitness ◽  
Heart Rate Recovery ◽  
Young Men

Role of aerobic capacity and body mass index in the age-associated decline in heart rate variability

1996 ◽  
Vol 81 (2) ◽  
pp. 743-750 ◽  
Author(s):  
E. A. Byrne ◽  
J. L. Fleg ◽  
P. V. Vaitkevicius ◽  
J. Wright ◽  
S. W. Porges
Keyword(s):  
Body Mass Index ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Body Mass ◽  
Aerobic Capacity ◽  
Relative Weight ◽  
Population Based ◽  
Sinus Arrhythmia ◽  
Relative Body Weight ◽  
Sample Age

The extent to which age-associated changes in aerobic capacity and body composition modulate the age-associated decline in heart rate variability (HRV) is unknown. We therefore measured HRV, peak O2 consumption (VO2peak) during treadmill testing, and relative weight (body mass index; BMI) in 164 healthy normotensive adults (75 men, age 20–87 yr) from the Baltimore Longitudinal Study on Aging. Two components of HRV, respiratory sinus arrhythmia (RSA; 0.12–0.40 Hz) and 0.10-Hz variability (0.06–0.10 Hz), were extracted from 8-min electrocardiogram recordings in the supine, seated, and standing postures. RSA, 0.10-Hz variability, and VO2peak varied inversely with age; BMI was unrelated to age. Age contributed 15.5–21.1% independent variance to RSA and 13.2–17.3% independent variance to 0.10-Hz HRV. VO2peak did not contribute significantly to RSA or 0.10-Hz HRV beyond the effect of age in any posture. There were no consistent independent contributions of BMI to HRV. Thus, in this population-based sample, age-associated changes in aerobic capacity and relative body weight do not provide the primary explanation for the decline in HRV observed with advancing age.

Relationship between Leptin Concentration in Cord Blood and Foetal Growth and Maternal Anthropometry of GDM Mothers at Delivery

1970 ◽  
Vol 25 (1) ◽  
pp. 9-13
Author(s):  
S Jahan ◽  
TR Das ◽  
KB Biswas
Keyword(s):  
Body Mass Index ◽  
Birth Weight ◽  
Cord Blood ◽  
Body Mass ◽  
Anthropometric Measurements ◽  
Anthropometric Parameters ◽  
Serum Leptin ◽  
C Peptide ◽  
Cord Serum ◽  
The Relationship

Background and Aims: Cord blood leptin may reflect the leptinemic status of a newborn at birth more accurately than the leptin values of blood collected from other sites. The present study was undertaken to determine the relationship of cord serum leptin concentration at birth with neonatal and maternal anthropometric parameters. Materials and Methods: Blood was taken from the umbilical cord of the babies at delivery. Maternal anthropometric measurements were recorded at admission for delivery. Neonatal anthropometric measurements were recorded within 48 hours after delivery. Linear regression analysis was used to explore the relationship between cord serum leptin concentration and anthropometric parameters of the baby and the mother. Both Serum leptin and serum C-peptide levels were measured by chemiluminescence-based ELISA method. Results: The leptin concentration (ng/ml, mean±SD) in cord blood was 39.13±14.44. Cord leptin levels correlated with birth weight (r=0.673, p<0.0001), ponderal index (r=0.732, p<0.0001) but it did not correlate with maternal body mass index, gestational age (r=0.135, p=0.349) at delivery or cord serum C-peptide concentration (r=-0.049, p=0.735) or placental weight (r=0.203, p=0.157). Conclusion: There are associations between cord leptin concentration at delivery and birth weight, ponderal index (PI) of the babies but not body mass index (BMI) of the mothers. High leptin levels of the baby could represent an important feedback modulator of substrate supply and subsequently for adipose tissue status during late gestation. (J Bangladesh Coll Phys Surg 2007; 25 : 9-13)

The stress response in human peripheral mononuclear cells is related to aerobic fitness and Body Mass Index

2019 ◽  
Vol 178 (6) ◽  
Author(s):  
Kelsey C. Bourbeau ◽  
Mattina M. Rosinski ◽  
Taylor M. Szczygiel ◽  
Ryan Pettit-Mee ◽  
Jenna E. Sessions ◽  
...  
Keyword(s):  
Body Mass Index ◽  
Stress Response ◽  
Body Mass ◽  
Aerobic Fitness ◽  
Mononuclear Cells ◽  
Peripheral Mononuclear Cells
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