Physical Activity/Aging Lecture 10/12
The book does an excellent job with the nervous system. Please read it closely.

What are afferent nerves? What are efferent nerves? What is the somantic nervous system? What is the autonomic nervous system?

What is the main difference in the parasympathetic nervous system and the sympathetic nervous system?

Age-related changes to the CNS. Tissue loss begins at what age? Between the ages of 30 and 90 years, the brain weight can decrease how much?

The cerebral cortex tissue loss is 14%. What are some of the functions of the cerebral cortex? The hippocampus tissue loss is 35%. What is the main function of the hippocampus? The cerebral white matter loss is 26%. What is the main function of the cerebral white matter? Due the nerve cells in the spinal cord also decrease?

What is the practical application of cardiovascular exercise (CV) and the CNS? Will CV exercise retard some age-related changes in the brain? If so, HOW?

Dr. Kravitz presented the NEWest ACSM & AHA (2007) guidelines for Physical Activity. What are the guidelines for Men and Women age 65 and over (or 50-64 with chronic conditions such as arthritis)?

The NEW ACSM campaign is all about More is Better. Can you explain what this means?

Be able to draw and identify all aspects of the nerve physiology as we did in class. What is a saltatory conduction? What are the Schwann cells? What is the myelin sheath?

Nerve decline in motor units happens largely in what decade of life? Muscle atrophy is larger in the upper body or lower body? Is explosive, dynamic power lifting (with control) helpful for VPs?

What is dementia? What are some symptoms of dementia? Why do women have more dementia them men?

What is vascular dementia? What is Lewy body dementia? What is the most common type of dementia?

Is there a known cause of Alzheimer's Disease (AD)? Can you name at least 3 factors associated with AD? Is there a know cure for AD? What are at least 4 ways to help manage AD? Why is exercise helpful for those with AD?

SHORT ESSAY: The book has numerous EXERCISE Guidelines for people with dementia. Be very prepared for an ESSAY question where you will discuss these guidelines!!

End