Kin 140 Managing Stress.docx

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Department
Biomedical Physio & Kines
Course
BPK 140
Professor
Mandana Salajegheh
Semester
Fall

Description
Managing Stress:  Toward Prevention and Control 03/13/2014 Stress: physical or mental responses to the demands placed upon us • can potentially provide opportunities for personal growth and lead to person satisfaction • neither positive or negative • depends on response Stressor: physical, social or mental event or condition that forces us to adjust to it • adjustment: the attempt to cope with a situation o if not adjusted well >> burnout • strain: the wear and tear on the body and mind that may occur during adjustment to a stressor Eustress: results from positive situations • ex: getting married, starting university, reaching a goal, buying your first house Distress: results from negative situations • ex: school, unemployment, illness, financial problems, having a sick family member Physical responses:  • long term effects of stress on body systems can be devastating • • Stress impaired immunity o Psychoneuroimmunology (PNI): science of the interaction between the mind and body,  inparticular with the immune system o Relationship between stress, cortisol and natural killer T cells o Disable white blood cells to fight back >> likely to get sick The General Adaptative Syndrome: pattern followed by our physiological and psychological  responses to stress, 3 phases Alarm ▯ resistance ▯ exhaustion 1) Alarm Phase: happens in seconds  Ex when you see the cop chasing your car to give you a speeding ticket  Stressor disturbs homeostasis: physical/hormonal balance (breathe faster, heart  beats faster etc)  Autonomic nervous system (system in the body you are not aware of ex. Digestion):  prepares body for fight or flight  SNS vs PSN  SNS reacts first: more blood to brain and increased glucose • Pupils start dialating • Heart rate increases • Energizes your body Ex. You can run faster when you perceive stress Hypothalamus: controls epinephrine, cortisol and endorphins 2) Resistance Phase:  Body reacts to stressor to regain a balanced physical and mental state  SNS energizes the body while PNS controls energy levels 3) Exhaustion Phase:
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