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SG2 - Study Guide Exam 2 Human Anatomy Fall 2008 Topic 7...

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Study Guide, Exam 2 Human Anatomy, Fall 2008 Topic 7, Introduction to muscles (Chapt. 10): General characteristics (special capabilities) and functions of muscle. Muscle terminology – what are the names for muscle cells and their components? Organization of skeletal muscles at the cellular level as it relates to how individual fibers contract: arrangement of myofibrils, A-bands, I bands and Z-discs, sarcomeres, SR, t- tubules myosin and actin, titin, and the sliding filament theory – how myosin and actin interact to create movement. How entire muscle contracts: The 3 main types and characteristics of skeletal muscle fibers – slow oxidative fibers, fast glycolytic fibers and fast oxidative fibers. Muscle growth (myoblasts and satellite cells) and repair Differences between men and women, anabolic steroids. Topic 8, the muscle system (Chapt. 11): Definitions – origin/insertion, agonist/antagonist, prime mover/synergist (ways to be a synergist). Know also how muscles are named. What are the 4 major groupings of all body muscles? Muscle groups – actions see handout . Know what each muscle group does (major action)
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