Lecture 9_CardipulmonaySystem_GuestLecture1-converted.pptx - umanitoba.ca Physical Activity Aging Age-related changes and the role of physical activity

Lecture 9_CardipulmonaySystem_GuestLecture1-converted.pptx...

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umanitoba.ca Rodrigo Villar, PhD Faculty of Kinesiology & Recreation Management University of Manitoba, MB, Canada [email protected] Physical Activity & Aging: Age-related changes and the role of physical activity The cardiopulmonary system
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Agenda Cardiopulmonary system: functions Age-related changes Aging & Disease Summary umanitoba.ca
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AGING Aging Inactivity Disease umanitoba.ca
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The Cardiopulmonary System: Functions Delivers O 2 , nutrients Removes CO 2 , other waste products Transports hormones, other molecules Temperature balance and fluid regulation Acid–base balance Immune Function umanitoba.ca
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Age-related changes Aging Inactivity Disease umanitoba.ca Adapted from Physiology of Exercise and Healthy Aging (Taylor & Johnson2007, p. 4)
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Think-pair sharing umanitoba.ca Your team has 3 minutes to complete the challenge Your have to find a partner and answer the following question
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How could aging impact heart and vessels? umanitoba.ca
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Heart and Aging: Structural and Functional Changes Aging heart ↑ heart mass with age Thickening of the left ventricle Hypertrophy caused by heightened workload ↑ vessel stiffness ↑ peripheral vascular resistance ↑ Systolic blood pressure ↑ volume of the left atrium umanitoba.ca
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Heart and Aging: Conduction System Aging heart ↓ number of sinus node pacemaker cells ↓ cells in the AV node ↓ cells in the bundle of His ↓ cells in the Purkinje network umanitoba.ca
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Heart and Aging: Functional Changes umanitoba.ca Aging heart Slower myocardial relaxation (50% reduction).
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  • Fall '19
  • jay johnson
  • Pulmonary System and Aging, Vascular System and Aging

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