MEDI110 Lecture Notes - Lecture 3: Myocyte, Bone Density, Synovial Fluid
6 Aug 2018
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Document Summary
Recognise the effects of ageing on the human body. Ageing is systemic biological (primary) ageing affects all systems in the body. Increased blood pressure heart works harder for same output heart chamber adapts (increased thickness) reduces chamber size reduced function: decreased maximal heart rate capacity, decreased exercise cardiac output capacity and maximal cardiac output. Increased blood pressure (resting and working: reduced vo2 max. Discuss other factors that accelerate the ageing process. Explain the role of physical activity in ageing: describe broad physical activity aims for the aged population, slow down biological/physiological changes. Improve, restore, maintain, slow down loss of: mobility, daily functional capacity. Independence: self care, recreation, prevention, rehabilitation and/or management. Aerobic exercise in ageing: similar relative improvements but occur at slower rate and to a lower absolute level. Improve hr recovery: decrease systolic blood pressure. Increase stroke volume, overall cardiac output: reduce stiffness, increase compliance of blood vessels (less work for heart)
