Kinesiology 2276F/G Lecture 9: CHAPTER 9 – STRESS AND EXERCISE

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 2276F/G
• Professor: Craig Hall

Document Summary

What we experience when we face challenges in our lives. Biological: substance abuse (alcohol, drugs, nutritional excess (caffeine, sugar) Psychological: perfectionist attitudes, obsessiveness/compulsiveness, need for control. Interpersonal: lack of social skills, shyness, insecurity, loneliness, environmental strain (noise, temperature) Regardless of type of stress, physiological symptoms are the same. Adaptations to deal with crisis: males: (cid:862)fight or flight(cid:863) respo(cid:374)se, fe(cid:373)ales: (cid:862)te(cid:374)d a(cid:374)d (cid:271)efrie(cid:374)d(cid:863) respo(cid:374)se. Anxious, irritable, and vulnerable until stress is resolved. If stressor is unresolved: stage of persistence strain, worry, cynicism, difficulty sleeping. If stressor is prolonged: stage of exhaustion anxiety and depression. Initiated when some real or perceived threat or challenge is encountered: does(cid:374)"t (cid:373)atter if it"s (cid:374)egati(cid:448)e or positi(cid:448)e relatively same response. Cortex: perceive the threat (primary and secondary appraisal) Amygdala send messages to lower brain stem by corticotropin releasing hormone (crh) Through the sympathetic nervous system, the adrenal gland is activated. Adrenal gland releases catecholamines (epinephrine & norepinephrine) and cortisol.