Dra. Gomez

1. EXERCISE AND SPORTS PHYSIOLOGY CARINA C. GOMEZ, M.D.

9. TESTOSTERONE ESTROGEN ANABOLIC EFFECT ANABOLIC EFFECT  PROTEIN DEPOSITION  FAT DEPOSITION  MUSCLE MASS  BODY FAT CONTENT  MUSCLE STRENGTH AGGRESIVENESS  MUSCLE STRENGTH MILD TEMPERAMENT

17. Glycogen-Lactic Acid System (1.3 to 1.6 minutes) GLYCOGEN GLUCOSE ATP + PYRUVIC ACID ATP + LACTIC ACID KREB CYCLE ATP O 2 FATIGUE

18. Aerobic System ( Unlimited--nutrient) CARBOHYDRATES (glucose) PROTEINS (amino acid) FATS (fatty acid) OXYGEN ATP + CO 2 + H 2 O

28. Percent carbohydrate usage 0 25 50 75 100 100 75 50 25 0 0 10 20 40 2 4 1 2 3 4 High carbohydrate diet Mixed diet High-fat diet seconds minutes hours Duration of exercise Percent fat usage

31. Slow Twitch Fast Twitch Synonyms Type I / Oxidative Type II / Glycolytic Red Muscle White Muscle Velocity of Shortening Slow / low Fast / high Diameter Small Large Source of energy Oxidative system Phosphagen/Glycolytic System Myoglobin Abundant Few Mitochondria Abundant Few Capillary density greater Few Resistance to fatigue Resistant Prone Function Provide endurance delivers power surge for few seconds to a minute

33. 0 2 4 6 8 10 30 25 20 15 10 5 0 Resistive training No load training Weeks of training Percent increase in strength

35. 0 1 2 3 4 5 120 100 80 60 40 20 0 O 2 Consumption (L/min) Total Ventilation (L/min) Moderate exercise Severe exercise

40. > 10% of maximal tension - compresses blood vessels - decreases blood flow > 70% of maximal tension - blood flow completely stopped Blood flow occurs in between contractions

41. CO X TPR SV X HR F = P /  R EDV - ESV

47.  CO X  TPR  SV X  HR  F =  P /  R EDV -  ESV

50. BLOOD FLOW TO THE SKIN FROM THE DEEP TISSUES PROVIDES HEAT TRANSFER Rate of blood flow (0 – 30% of CO

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