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Maximal oxygen consumption test during arm exercise--reliability and validity.

O Bar-Or, L D Zwiren

Journal of Applied Physiology

|March 1, 1975

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This study found that the continuous progressive arm test is highly reliable for measuring maximal oxygen consumption (VO2 max arm). However, its validity as a predictor of overall aerobic capacity is limited due to varying contributions from trunk and leg muscles.

Area of Science:

Exercise Physiology
Sports Science
Cardiorespiratory Fitness

Background:

Assessing maximal oxygen consumption (VO2 max) is crucial for evaluating aerobic capacity.
Arm ergometry offers an alternative method to traditional leg-based tests.

Purpose of the Study:

To analyze the reliability and validity of a continuous progressive arm test for determining maximal oxygen consumption (VO2 max arm).
To compare VO2 max arm with VO2 max determined via treadmill testing (VO2 max leg) to assess aerobic capacity prediction.

Main Methods:

Forty-one men performed the arm test twice to assess reliability.
Eighteen men completed both the arm test and a treadmill test for validity assessment.
Reliability coefficients for VO2 max arm, VEmax arm, and HRmax arm were calculated.

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Validity was determined using VO2 max leg as the criterion measure.

Main Results:

The arm test demonstrated high reliability for VO2 max arm (0.94), VEmax arm (0.98), and HRmax arm (0.76).
The validity coefficient for VO2 max arm was 0.74, indicating moderate agreement with VO2 max leg.
Regression analysis showed a relationship between VO2 max leg and VO2 max arm (y = 24.4 + 0.9 +/- 4.4).

Conclusions:

The continuous progressive arm test is reliable for repeated measurements of maximal oxygen uptake using arm muscles.
The test protocol ensures participants reach an all-out effort and consistently engage specific muscle groups.
Lower validity suggests that individual differences in trunk and leg muscle recruitment influence the prediction of overall aerobic capacity from arm exercise alone.