Relevant bibliographies by topics / Astrand Nomogram

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Academic literature on the topic 'Astrand Nomogram'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Astrand Nomogram"

1

Legge, B. J., and E. W. Banister. "The Astrand-Ryhming nomogram revisited." Journal of Applied Physiology 61, no. 3 (1986): 1203–9. http://dx.doi.org/10.1152/jappl.1986.61.3.1203.

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Relationships among O2 uptake (VO2), heart rate, and work rate during constant-load submaximal cycle ergometry and ramp-forced exercise to exhaustion have been studied in core groups of trained (n = 15) and untrained (n = 10), 20- to 29-yr-old males. A signal aim was to improve on the accuracy of the 1954 Astrand-Ryhming (A-R) nomogram predicting maximum aerobic power from heart rate elevation at submaximum work rates. A new nomogram has been developed based on a linear relationship, established in experimental groups, between VO2 and delta HR, the latter being defined as the elevation of exer
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2

Buono, Michael J., Julia J. Roby, Frank G. Micale, and James F. Sallis. "Predicting Maximal Oxygen Uptake in Children: Modification of the Astrand–Ryhming Test." Pediatric Exercise Science 1, no. 3 (1989): 278–83. http://dx.doi.org/10.1123/pes.1.3.278.

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The Astrand-Ryhming est was modified to overcome problems of predicting V̇O2max in children. V̇O2max was measured directly during a maximal treadmill test and estimated by means of a submaximal protocol in a test group of 51 subjects ages 10–18 years. A multiple regression equation was developed with directly measured V̇O2max as the dependent variable and age, body weight, and V̇O2max estimated from the Astrand nomogram as independent variables. The validity and reliability of this equation to predict V̇O2max in children and adolescents was cross-validated. No significant difference was found
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3

Sady, S. P., M. W. Carpenter, M. A. Sady, et al. "Prediction of VO2max during cycle exercise in pregnant women." Journal of Applied Physiology 65, no. 2 (1988): 657–61. http://dx.doi.org/10.1152/jappl.1988.65.2.657.

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We measured maximal O2 uptake (VO2max) during stationary cycling in 40 pregnant women [aged 29.2 +/- 3.9 (SD) yr, gestational age 25.9 +/- 3.3 wk]. Data from 30 of these women were used to develop an equation to predict the percent VO2max from submaximal heart rates. This equation and the submaximal VO2 were used to predict VO2max in the remaining 10 women. The accuracy of VO2max values estimated by this procedure was compared with values predicted by two popular methods: the Astrand nomogram and the VO2 vs. heart rate (VO2-HR) curve. VO2max values estimated by the derived equation method in t
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4

Dhule, Sunita S., Dinkar R. Kekan, Nene Sunita Bisht, and Sunita Handergulle. "Endurance Capacity In College Sport Girls-A Comparative Study." International Journal of Basic and Applied Physiology 2, no. 1 (2013): 142–44. https://doi.org/10.5281/zenodo.4483312.

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A comparative study of endurance capacity between sports and normal college girls and to show the importance of sports in physical fitness among college students. Method: The present study was carried out in 120 college girls, Ambajogai. The cases (60 girls) were involved in sports like football, hockey, volleyball etc. and the controls (60girls) were not involved in sports. The parameters compared between cases and controls are -1) breath holding test, 2) 40 mmHg endurance test 3) maximum voluntary contraction by handgrip dynamometer 4) Vo2 max by using Harward step test and Astrand Ryhming n
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5

Sharma, Abhishek, Shiva Pratik Sah, Ashik Rajak, et al. "Assessment of cardiorespiratory fitness among medical students: a prospective study." F1000Research 11 (July 12, 2022): 776. http://dx.doi.org/10.12688/f1000research.122673.1.

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Background: Physical activity and fitness level of fitness decline mostly between adolescence and early adulthood. This leads to risks of non-communicable diseases in the future. Medical students, assumed to have an extensive understanding of physical exercise and its benefits, are less active than they were before attending graduate school. This study aimed to assess changes in physical fitness and physical activity of students over-time. Methods: This was a prospective study undertaken at Basic Science Complex of Kathmandu Medical College Teaching Hospital in Nepal. In total, 72 medical stud
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6

Benavides-Castellón, Rodrigo. "Efectos de la obesidad en el consumo máximo de oxígeno medido indirectamente." EID. Ergonomía, Investigación y Desarrollo 5, no. 2 (2023): 25–36. http://dx.doi.org/10.29393/eid5-11eorb10011.

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El objetivo fue examinar a qué nivel de grasa corporal (MG%) se aprecia un compromiso significativo en el consumo máximo de oxígeno (VO2max) al comparar una muestra de trabajadores obesos y otra de peso normal. Análisis retrospectivo de registros médicos de 400 trabajadores brigadistas de incendios forestales. El VO2máx (l/min) se estimó indirectamente a partir de la frecuencia cardíaca obtenida en cargas de trabajo submáximas en un cicloergómetro de freno mecánico, aplicando los valores obtenidos al Nomograma de Astrand. La MG% se midió mediante un instrumento de impedanciometría eléctrica de
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7

Lotgering, F. K., P. C. Struijk, M. B. van Doorn, and H. C. Wallenburg. "Errors in predicting maximal oxygen consumption in pregnant women." Journal of Applied Physiology 72, no. 2 (1992): 562–67. http://dx.doi.org/10.1152/jappl.1992.72.2.562.

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This study was designed to determine the accuracy of estimated values of maximal heart rate (HRmax) and oxygen consumption (VO2) during pregnancy. We measured HR and maximal VO2 (VO2max) at rest and during cycle (CE) and treadmill exercise (TE) tests with rapidly increasing exercise intensities during gestation and after delivery. Pregnancy was found to affect the linear relationship of HR and %VO2max so that the intercept increases with advancing gestation and the slope decreases. Estimated maximal HR (HRmax, est), 220 - age (yr) x beats/min, overestimated measured HRmax by 8% (CE) and 5% (TE
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8

Dr.S.V., Arun. "Comparison of Vo2 max among College men Volleyball and Football Players." May 21, 2017. https://doi.org/10.5281/zenodo.581702.

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<em>The present study deals with Comparison of Vo<sub>2 </sub>max (Maximum Oxygen Consumption) among college men Volleyball and Football Players. In present study 40 volleyball and 40 football players were selected randomly as subjects who participated in inter collegiate and different level of competition in Tamilnadu. The ages of the subjects were between 18-25 years. The Vo<sub>2 </sub>max (Maximum Oxygen consumption) was determined by Astrand Nomogram using step bench test. To find significance between Volleyball and football players ‘t’ ration was used. The level of confidence was set at
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9

-, V. A. MANICKAM, and RENCHU T. -. "Upshot of Selected Yoga Exercises and Pranayama on Aggression VO2 Max and Flexibility among Jet set swimmers." International Journal For Multidisciplinary Research 6, no. 6 (2024). http://dx.doi.org/10.36948/ijfmr.2024.v06i06.30109.

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The present research involves the experimentation of Upshot of yoga exercise and Pranayama on aggression, VO2 max and flexibility among jet set swimmers. The study was confined to the swimmers of various swimming academy in Kerala. Totally 50 swimmers were selected and they were not familiar with yoga and Pranayama. The selected swimmers were in the age-group between 18 to 21 years. The swimmers were further divided into two groups such as experimental group and control group. The experimental group practiced Yoga asana and 'Pranayama' weekly for five days i.e. Monday to Friday, between 6.00 A
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10

Mukherjee, Sujoy, Goutam Banerjee, and Sanhita Mukherjee. "Effect of Exercise on ECG Components and their Correlation with Body Mass Index among Young Asymptomatic Obese and Non-obese Individuals: A Cross-sectional Study." JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH, 2023. http://dx.doi.org/10.7860/jcdr/2023/67286.18682.

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Introduction: The worldwide higher prevalence of obesity is currently one of the most important reasons for the occurrence of several health disorders, along with an increased risk of mortality and morbidity. However, the magnitude of the effect of sub-maximal aerobic exercise on cardiac autonomic and electrical function among Indian obese individuals has yet to be established. Aim: To evaluate the effect of exercise on ECG components and their correlation with Body Mass Index (BMI) among young asymptomatic obese and non-obese individuals, in order to assess the risk for developing Cardiovascu
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