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JOINTS FUNCTIONAL CLASSIFICATION –Synarthroses: immovable –Amphiarthroses: slightly movable –Diarthroses: freely movable STRUCTURAL CLASSIFICATION –Fibrous.

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Presentation on theme: "JOINTS FUNCTIONAL CLASSIFICATION –Synarthroses: immovable –Amphiarthroses: slightly movable –Diarthroses: freely movable STRUCTURAL CLASSIFICATION –Fibrous."— Presentation transcript:

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3 JOINTS FUNCTIONAL CLASSIFICATION –Synarthroses: immovable –Amphiarthroses: slightly movable –Diarthroses: freely movable STRUCTURAL CLASSIFICATION –Fibrous joints: bones joined by fibrous tissue; no joint cavity –Cartilaginous joints: bones joined by cartilage; no joint cavity –Synovial joints: joint cavity present mainly axial skeleton

4 JOINTS (cont) FIBROUS –Sutures: seams of cranial bones; (synostoses=fused bones) coronal, lambdoid, sagital sutures –Syndesmoses: bones connected by ligaments between tibia and fibular, between radius & ulna –Gomphoses: peg-in-socket; fibrous teeth in the alveolar socket

5 JOINTS (cont) CARTILAGINOUS –Synchondroses: bones joined by hyaline cartilage eg-epiphyseal plate. –Symphyses: fibrocartilage pad between eg-pubic symphysis, intervertebral discs

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7 Synovial Joints Those joints in which the articulating bones are separated by a fluid-containing joint cavity All are freely movable diarthroses Examples – all limb joints, and most joints of the body

8 Synovial Joints: General Structure Synovial joints all have the following –Articular cartilage –Joint (synovial) cavity –Articular capsule –Synovial fluid –Reinforcing ligaments

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10 nonaxial—slipping movements only uniaxial—movement in one plane biaxial—movement in two planes multiaxial—movement in three planes

11 intercarpal intertarsal carpometacarpal tarsometatarsal vertebrocostal intervertebral

12 elbow interphalangeal (finger; toe) ankle (tib-fib w/ talus) knee—modified hinge

13 atlantoaxial radioulnar

14 radiocarpal knuckle (metacarpophalangeal) metatarsophalangeal

15 thumb (carpometacarpal)

16 shoulder (glenohumeral) hip (coxal)

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19 Fig , p. 656 muscle tendon bursae synovial cavity

20 muscle vein artery femur patella fat pad ligament tibia


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