Introduction:
The maximum aerobic capacity (VO2-max) can be used to assess the cardio-respiratory
condition and fit the physiological characteristics of workers to the work.
This study was conducted to determine the correlation between the two methods
of estimating the maximum aerobic capacity and its affecting factors among
students of Shiraz University of Medical Sciences.
Materials
and Methods: In this cross-sectional study, 104 students (54 males and 50
females) participated voluntarily (age ranged from 18 to 28 years). The
subjects were assessed by step test according to Åstrand and ACSM protocols.
The data collecting tool was a questionnaire including separate sections of
demographic (age, sex, etc.), anthropometric (height, weight and BMI) and
physiological (VO2-max) characteristics.
Results:
The results revealed that the maximum aerobic capacity estimated from Åstrand
and ACSM protocols were 3.21 (0.825) and 3.13 (0.707) l.min-1, respectively.
Pearson correlation test showed high correlation between estimated maximum
aerobic capacity via two protocols of Åstrand and ACSM (r=0.958). Meanwhile,
there were significant associations among maximum aerobic capacity with weight,
height, BMI and the number of hours of exercise per week.
Conclusion: The two
methods for estimating the maximum aerobic capacity (Åstrand and ACSM) were
highly correlated. Variables such as weight, height, BMI, and number of hours
of exercise per week can be named as effective factors on VO2-m
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