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finalstudyguide - Final Exam Review Myth Busters 15:59:00 5...

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Final Exam Review 02/05/2008 15:59:00 Myth Busters 5 myths spot reducing  fat burning zone muscle turns to fat lactic acid causes post workout soreness exercising when pregnant hurts the fetus 1 controversy you can be Fat and Fit Spot reducing Concept that fat will be lost in the area your working  o Ex. do crunches to lose belly fat, thigh master, slendertone This DOES NOT WORK o Fat mobilization and utilization are controlled systemically (hormonal,  gender, genetics) Fat Burning zone To lose fat, you should exercise in the “fat burning” zone o Based on crossover concept, at low exercise intensities fat is primary  fuel source for muscle o Should exercise low intensity for longer time
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This is NOT TRUE o Total # of cals burned is what matters o Exercise at higher intensity, where youre burning more cals, you’ll see  postexercise RMR benefits  When you stop training, muscle turns into fat NOT TRUE, muscle don’t have the enzymes to convert AAs into fat, the  LIVER does You just lose muscle  Ex: football linemen-used to eating a lot because working out a lot, then stop  working out (retire) and eat the same…gain weight Lactic acid causes muscle soreness after exercise Types of contractions o Isometric- no change in muscle length with tension development o Concentric- shortening of muscle with tension development o Eccentric - lengthening of muscle with tension development  accounts  for muscle soreness post exercise Immediate muscle soreness o Symptoms: burning, pain, cramps
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