Impact of the aging pulmonary system on the response to exercise

B. D. Johnson, M. S. Badr, J. A. Dempsey

Research output: Contribution to journalReview article

74 Scopus citations

Abstract

The older adult demonstrates several alterations in the ventilatory response to exercise relative to the young adult. These differences are primarily caused by the aging-induced loss of elastic recoil of the lung, which reduces expiratory airflow rates along the effort-independent portion of the maximal volitional flow-volume envelope. Despite these distinctions in the response to exercise of the aged adult, alveolar ventilation is adequate for carbon dioxide elimination (even during maximal exercise), and arterial oxygen homeostasis is generally maintained.

Original languageEnglish (US)
Pages (from-to)229-246
Number of pages18
JournalClinics in Chest Medicine
Volume15
Issue number2
StatePublished - 1994

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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