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Yin Lecture - BME 140 Fall 2010 Biomechanics Basics of...

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BME 140 – Fall 2010 Basics of Biomechanics Frank Yin October 4, 2010 Biomechanics Why do we care ? Biomechanics Definition Mechanics applied to biology Goals To understand and quantify the mechanical properties of biological tissues Rationale 4 Helps understand normal function Every cell is exposed to mechanical forces Many tissues and organs perform mechanical tasks 4 Predict changes due to alterations 4 Propose methods of intervening To understand how biological tissues respond to applied forces Use this understanding to treat health and disease Impact of Biomechanics Rehabilitation Kinesiology, sports medicine Physiology Prosthetics 4 Joints 4 Heart valves 4 Vessels Wound healing, tissue remodeling Cell function Protein structure and function Classes of Mechanics Problems Static vs. dynamic Fluid vs. solid Rigid vs deformable Rigid vs. deformable Time (history) - dependent Statics Deals with forces acting on bodies in equilibrium - that is, objects not moving or deforming Simple physics is sufficient
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