Astrand-Rhyming Cycle Ergometer Test

The Astrand Test is a submaximal cycle ergometer aerobic fitness test, based on the relationship between heart rate during work and percentage of maximal aerobic capacity. The original test method and nomogram (Åstrand, P.-O. & Ryhming, I., 1954) was later expanded and modified (Åstrand, I., 1960) with a nomogram accounting for men and women of different ages. There are many other cycling tests and aerobic fitness tests, such as the similar YMCA Cycle ergometer submaximal test.

astrand scoring nomogram Astrand scoring nomogram (Åstrand, I., 1960)

females: VO2max = (0.00193 x workload + 0.326) / (0.769 x HRss - 56.1) x 100
males: VO2max = (0.00212 x workload + 0.299) / (0.769 x HRss - 48.5) x 100

Age Correction Factor
15 1.10
25 1.00
35 0.87
40 0.83
45 0.78
50 0.75
55 0.71
60 0.68
65 0.65


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