2-16-07 notes - Excitability (irritability) Extensibility...

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-1Knee joint: largest joint in the body. Modified hinge (flexion, extension, rotation) Knee replacements, over two hundred thousand a year Osteoarthritis DJD Cartilage degeneration Cause?? Muscle is the only contractile tissue >600 skeletal muscles ~50% of body weight Functions: movement, maintenance of posture, joint stabilization, and heat generation Contractibility
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Unformatted text preview: Excitability (irritability) Extensibility Elasticity Epimysium, perimysium, fascicle, neodymium, muscle fiber Motor neuron axon, axon terminals, muscle fiber nucleus, neuromuscular cleft, synaptic vesicle Motor unit> a single motor neuron and the muscle fibers that it innervates (maximum contraction) # of muscles fibers per motor unit varies...
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