The aim of this observational study Is to examine the validity of the Smartphone application (VO2max calculator) in calculating VO2max in elderly population. Research hypotheses: this study will test the following null hypothesis: (Vo2max calculator) application will not have criterion validity in estimating VO2max values in the elderly population. Research question: Is the Smartphone application (VO2max calculator) considered a valid tool for estimating accurate values of VO2max in the elderly population in comparison to the golden standard method?
Although maximal oxygen consumption (VO2max) is growing in evidence as a powerful indicator of several health conditions it's rarely used in clinical practice due to the high expense, requirement of specialized equipment, and related risks of maximal exertion. So, we aim to develop a simpler method for estimating VO2max using modern smartphone technologies. Method: participants of this study will be divided into 2 equal groups. The first group will perform a gold standard treadmill-based VO2max measurement and the other group will perform a smartphone based 1-mile walk test for VO2max estimation.
Study Type
OBSERVATIONAL
Enrollment
52
maximum oxygen consumption (VO2MAX)
The greatest amount of oxygen a person can take in from inspired air while performing dynamic exercise involving a large part of total muscle mass.
Time frame: at the peak of exercise (peak VO2) over the final 30 seconds of exercise
Heart rate (HR)
the number of times your heart beats per minute.
Time frame: at baseline one shot
The Borg rating of perceived exertion (RPE) scale
It is a subjective scale for estimating effort and exertion, breathlessness, and fatigue during physical work.
Time frame: at baseline one shot
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