NUTR SCI 132 Lecture Notes - Lecture 19: Phosphocreatine, Acetyl-Coa, Anaerobic Exercise
4 Apr 2016
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Document Summary
Exercise benefits: weight control, elevated mood, increased strength, reduced risk of chronic disease, increased bone density, training for competition. Nutrition helps support all three lack of recovery=overtraining: overtraining: excessive training without adequate recovery, leads to constant fatigue, worsening performance, injury, illness, good nutrition promotes recovery, nutrition. General considerations: adequate calories to support training. Healthy foods, not junk: fruits, vegetables, whole grains, dairy, lean meats. Metabolic pathways: energy needs increase with exercise muscle contraction, supplied by creatine phosphate, cho, protein, fat, atp is made all of those. Creatine phosphate pathways: used for short burst of exercise short sprints, weight lifting, creatine phosphate quickly runs out: 7-10 seconds, anaerobic = no oxygen required. Beta oxidation: breaking down fatty acids in order to make energy, occurs in mitochondria of cell, fatty acids (~16 carbons) broken down into acetyl coa (2 carbons) 1 fatty acids >8 acetyl coas: acetyl coa is further metabolized into atp.
