6/11/111Muscles and MovementIntroductionSkeletal muscule, structure & contractionMuscle energy metabolism and fiber types Smooth muscule structure & contractionControl of body movement07 The goal of this lecture is to discuss the basic physiology of skeletal and smooth muscle (cardiac muscle will be cover in the cardiovascular section). This lecture will also introduce issues linked to the control of movement.The sections for this lecture are:Life is a series of chemical reactions occurring in compartmentalized environments. The main purpose of life is to keep itself alivePhysiology, the study of how life works, is based on the simultaneous occurrence of the following three concepts:levels of organizationstructure / function relationshiphomeostatic regulationSkeletal muscle structure and contraction mechanismsMuscle structure to sarcomereMolecular mechanism of contractionExcitation - contraction coupling Mechanics of single fiber contraction Skeletal muscle, energy metabolism, fiber types and muscle contractionSources of ATP for contractionFiber types in skeletal muscles Whole muscle contractionIntroductionSmooth muscle structure and contraction mechanismsSmooth muscle structure and contractionInputs influencing smooth muscle contractionTypes of smooth musclesControl of body movementMotor control hierarchyLocal control of motor neuronsBrain motor centers and the descending pathways controlled
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