Joint Conditions and DiseasesArthritisRheumatoid arthritisOsteoarthritisGout or Gouty ArthritisUric Acid Buildup Leading to GoutLyme diseaseAnkyklosing SpondylitisHerniated DiscJoint ReplacementPowerPoint PresentationSlide 12Slide 13Slide 14Gap junctions make up intercalated disksSlide 169-1Joint Conditions and DiseasesSprains and tears of ligaments and tendons andother soft tissueArthritis-joint inflammationRheumatism>>RheumatologistsBunyon-bursa of the big toeLuxation- dislocationLyme disease-bacterial pathogenAnkylosing spondylitis-affects the lower vertebrae“Double jointed-ness”*Herniated or prolapsed disk9-2ArthritisOsteoarthritis- “Wear and tear” arthritisRheumatoid arthritis- An autoimmune diseaseGout-buildup of uric acid9-3Rheumatoid arthritisRole of cytokineswww.cedars-sinai.eduwww.nys.org.9-4Osteoarthritiscommonsensehealth.comProgressive thinning of hyalinecartilageFormation of osteophyes9-5Gout or Gouty Arthritishumannhealth.comuvahealth.com9-6Uric Acid Buildup Leading toGoutwww.gout-aware.com9-7Lyme diseaseJoint inflammationetc.Images from wikipedia9-8Ankyklosing Spondylitismedical-transcriptionist-reference.blogspot.com9-9Herniated DiscHerniatedportion of discAnulusfibrosus discNucleuspulposusof discSpinal cordand nerve9-10Joint ReplacementWikipediaorthoinfo.aaos.org9-11MuscleFunctionMovement-produce tension to move thingspulling, squeezingPosture- Baseline tension exerted at all timesJoint stability-constant tension holds joints togetherThermogenisis9-12Muscle cell (fiber) characteristicsExcitable -respond to chemical and mechanical stimuli by generating organized movement of electrical charge across membranes:=muscle potentials or action potentials. Contractile-shorteningExtensible-tolerate stretchingElastic- snap back into position after stretch9-13Skeletal musclestriations-present fromcontractile orgnalles lying inparallel with subcomponents in register. With exceptions, underconcious control: compared tocardiac and smooth striated skeletal isfast contraction, brief powerful;mature cells are multinucleated, extremely large9-14Cardiac musclealso striatedmononucleatedmyogenic from pacemakermoderate powersmall, containintercalated disks9-15Gap junctions make up intercalated disksHow the electrical excitement starts and spreads:http://medicalphase.blogspot.com/2011/04/heart-block.html9-16Smooth muscleno striationssmall, mononucleated fusiform, involuntary,control diameter of blood vessels, hollow organsslow, weak to moderate contractions, very slow