The performance of one man in maximal work has been evaluated over a period of 28 years. The highest attainable heart rate declined from 172 to 160 and oxygen consumption from 3.3 to 2.8 liters per minute. Body weight increased 10%; this added to handicaps incident to age alone. Maximal oxygen intake in milliliters per kilogram per minute declined from 45.5 to 35.
No takes yet. Share an insight, caveat, or question.
Dill et al. (1958) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: