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Joints

Joints. Occur where two bones meetDo they produce the same range of motion?Are they found in only the appendicular skeleton?. Two ways to classify joints. Based on range of motionSynarthrosis, amphiarthrosis, diarthrosisBased on composition of the jointBoney, fibrous, cartilaginous, synovial.

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Joints

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    1. Joints

    2. Joints Occur where two bones meet Do they produce the same range of motion? Are they found in only the appendicular skeleton?

    3. Two ways to classify joints Based on range of motion Synarthrosis, amphiarthrosis, diarthrosis Based on composition of the joint Boney, fibrous, cartilaginous, synovial

    4. Synarthrosis (immovable) Would these be strong joints? Examples? Sutures (skull bones) Gomphoses (teeth) Synchondroses (epiphyseal cartilages) Synostosis (epiphyseal lines of mature long bones)

    5. Amphiarthroses (slightly movable) Would these be strong? Joint is formed with collagen fibers or cartilage Examples? Syndesmosis (ligaments) Symphysis (separated by fibrocartilage; pubic symphysis, vertebral discs)

    6. Diarthroses (freely movable) Are these joints strong? What is the key function? Synovial joints are diarthrotic joints Examples? Knee Shoulder Hip

    7. Parts of articulations

    8. Synovial joints Plane; slight movement; multiaxial (usually 1 main) Saddle; movement; multiaxial (usually 1 main) Hinge; uniaxial

    9. Synovial joints Pivot; rotation; uniaxial Ball & Socket; multiple axes Elipsoid; multiaxial

    10. Synovial joints have lots of structures Bursa: Connective tissue pads Meniscus: Fibrocartilage pads Synovial fluid: proteoglycan-rich fluid for: Lubrication Shock absorption Nutrient delivery

    11. Compare shoulder & hip

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