ch9 of Tortora Anatomy/Phys textbook
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Name the 3 (structural) joint classifications. | show 🗑
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show | Synarthrosis, Amphiarthrosis, and Diarthrosis
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show | immovable joint(ex: skull sutures)
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Define Amphiarthrosis. | show 🗑
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show | freely movable joint(ex: shoulder, hip, elbow, knee,etc.)
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True or false:Cartilaginous joints have a synovial cavity. | show 🗑
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show | a slightly movable (amphiarthrosis) articulation where there is greater distance between the bones and more fibrous ct than in a suture.
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show | a synarthrosis fibrous joint where a cone-shaped peg fits into a socket. (**The ONLY gomphoses are the teeth in the jawbone)
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What are the TWO types of cartilaginous joints? | show 🗑
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show | a cartilaginous joint where the connecting material is hyaline cartilage.(ex: epiphyseal plate)
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Define Symphysis. | show 🗑
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show | in the midline of the body(ex: pubic symphysis)
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show | Amphiarthrosis, slightly movable joint
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What are the 3 main functions of synovial fluid? | show 🗑
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show | 1. synovial cavity2. articular cartilage3. articular capsule4. synovial fluid5. reinforcing ligaments (extracapsular ligaments and intracapsular ligaments)
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show | articular discs aka menisci
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What is a sprain? | show 🗑
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What is a strain? | show 🗑
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What is the purpose of a bursa? | show 🗑
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show | tubelike bursae that wrap around certain tendons that experience considerable friction; point is to reduce friction at joints
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show | An acute or chronic inflammation of a bursa, usually caused by repeated exertion of a joint
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show | movement of the distal end of a body part in a circle(ex: moving the hand in a circle at the wrist joint)
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What is the difference between ABduction and ADDuction? | show 🗑
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show | 1. Planar2. Hinge3. Pivot4. Condyloid5. Saddle6. Ball-and-Socket
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show | atlanto-axial joint where the atlas rotates around the axis and lets the head turn from side to side
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