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11 Cards in this Set
- Front
- Back
Synarthroses Joints description and function
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junction between bones that allows slight to no movement, strongly bind and transfer forces between bones
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Examples of synarthroses (Fibrous) joints
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sutures of the skull, distal tibiofibular joint, interosseous membrane reinforcing radio-ulnar joints
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Examples of synarthroses (cartilaginous) joints
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symphysis pubis, interbody joint of the spine including the intervertebral disc
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Diarthrosis joints description and function
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synovial joint that is an articulation that contains a fluid filled joint cavity between bony partners; specialized for MOVEMENT
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Elements of diarthrosis joints (7)
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Joint cavity is filled with synovial fluid; Articular cartilage that covers ends of bones; Articular capsule that is connective tissue surrounding joint
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Elements of diarthrosis joints (7)
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Internal layer of thin synovial membrane inside capsule and external fibrous layer of capsule is composed of dense irregular connective tissue, Thicken regions of connective tissue represent capsular ligament
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Elements of diarthrosis joints (7)
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joint capsule is supplied with small blood vessels, and sensory nerves supply the joint capsule with receptors for pain and proprioception
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Closed-pack position
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most ligaments and parts of the capsule are pulled taut, providing an element of natural stability to the joint; accessory joints are typically minimal in a joint's close-packed position
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Loose-pack (open-pack) position
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all other positions other than close packed. slackened ligaments and allows for increase in accessory movements.
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How many degrees of freedom for a hinge joint?
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1
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Usual plane of motion for the hinge joints in the body?
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Sagittal plane
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