Kin Lecture 6 Notes - Ergogenic Aids - KINE 4190 H - November 2024 PDF

2024-11-04 Lecture 6: Ergogenic Aids Monday November 4th, 2024 Readings: Chapter 23 – Special aids to exer...

2024-11-04 Lecture 6: Ergogenic Aids Monday November 4th, 2024 Readings: Chapter 23 – Special aids to exercise training and performance KINE 4190 H November 4th, 2024 0 Lecture Objectives To develop an awareness of what an ergogenic aid is, To learn about the types of aids available as well as their mechanism of action, To learn about which of the ergogenic aids may be classified as banned substances for athletic performances. 1 1 Click to add footer 1  2024-11-04 What is an Ergogenic Aid? Ergo” - greek word for “work”, An ergogenic aid is….. “genic” – producing or generating 2 2 An Ergogenic aid is….. A substance that posseses the ability to enhance physical work capacity or athletic performance. Types: Pharmacologic Physiological Nutritional Psychological Mechanical 3 3 Click to add footer 2  2024-11-04 What areas of fitness would you want to improve? 4 4 What areas of fitness would you want to improve? Oxygen delivery and endurance Delay fatigue Strength and Power Body composition 5 5 Click to add footer 3  2024-11-04 Ergogenic Research What factor(s) would you consider/include in a study on the effectiveness of an ergogenic aid? 6 6 Ergogenic Aid Research § Factors to Consider in Ergogenic Aid Research § Participant characteristics § Dosage § Acute versus chronic use § Statistical significance § Testing/task specificity § Placebo effect 7 7 Click to add footer 4  2024-11-04 Pharmacological Ergogenic Aids. 8 8 Phamacological Ergogenic Aids Increase levels of hormones or neurotransmitters naturally produced by the body, Increase storage and/or availability of a limiting substrate, Act as a supplemental fuel source, Act as a central or peripheral nervous system stimulant Reduce or neutralize performance-inhibiting metabolic byproducts Facilitate recovery Enhance resistance training responsiveness 9 9 Click to add footer 5  2024-11-04 PHARMACOLOGIC AGENTS Anabolic androgenic steroids Cannabinoids Hormones &related substances Glucocorticosteroids EPO Alcohol HGH (in some sports) Beta-2 agonists Beta-blockers Hormone antagonists (in some sports) Diuretics and other masking agents Stimulants 10 10 Banned Ergogenic Aids World Anti-Doping Agency (WADA) list of banned agents (http://www.wada-ama.org/) 11 11 Click to add footer 6  2024-11-04 Anabolic steroids: Structure 12 12 ANABOLIC STEROIDS: ACTION Anabolic steroids function similar to the male hormone testosterone Binds with receptor sites on muscle and contributes to male secondary sex characteristics Production occurs in testes (95%) with remainder in adrenal glands Exogenous steroids appear in oral and injectable forms Athletes take both forms (stacking) and progressively increase dosage (pyramiding) in 6-12 wk cycles 13 13 Click to add footer 7  2024-11-04 Effects of Anabolic Steroids Increased testosterone Applications: production Power athletes Increased protein synthesis Strength athletes and muscle mass Increased strength/power (up to 38%) Speeds recovery Enhances intensity/duration 14 14 Anabolic Steroids have considerable following Used in most sports by males and females Increases use among adolescents Reported use among children