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28 terms

Joints

Joint Vocabulary Words
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PLAY
Joint
The point of connection between two bones or elements of a skeleton
Sutures
Immovable joints
Syndesmoses
Joint in which two bones are bound only by ligaments
Gomphoses
A peg-in-socket fibrous joint (ex: articulation of a tooth with its bony alveolar socket)
Synchrondroses
A bar of hyaline cartilage that unites bones
Synovial Joint
Freely movable joint containing a cavity filled with synovial fluid
Synovial Fluid
Joint-lubricating fluid secreted by the synovial membrane
Bursa
A fibrous sac between certain tendons and bones that is lined with a synovial membrane that secretes synovial fluid
Bunion
A painful swelling of the bursa of the first joint of the big toe
Tendon Sheath
Elongated bursa that wraps completely around a tendon subjected to friction
Origin
Start of muscle attachment on a (proximal) part of a stationary bone
Insertion
End of a muscle attachment on the (distal) part of a movable bone
Sprain
A painful injury to a joint caused by a sudden wrenching of its ligaments
Arthroscopic Surgery
Performing a surgical procedure while using an arthroscope to view the internal structure, such as a joint. Minimally invasive.
Luxation
Dislocation or displacement of bone from the joint
Subluxation
Partial displacement of a joint or organ
Bursitis
Inflammation of a bursa
Tendonitis
Inflammation of a tendon
Arthritis
Inflammation of a joint
Osteoarthritis
Chronic breakdown of cartilage in the joints. Inflammation of bones and joints.
Rheumatoid Arthritis
Chronic inflammatory autoimmune disease, affecting joint cartilage and synovial membranes
Gouty Arthritis
Inflammation of joints caused by excessive uric acid in the blood and uric acid crystals deposited in joints (common in big toe)
Ankylosing Spondylitis
A form of rheumatoid arthritis (mostly seen in males) that primarily causes inflammation of the joints between the vertebrae causing immobility of spine
Mechanical Advantage
The ratio of the force exerted by a machine to the force applied to it
Mechanical Disadvantage
Condition that occurs when the load is far from the fulcrum and the effort is applied near the fulcrum; the effort applied must be greater than the load to be moved.
1st-Class Lever
Fulcrum in the middle; see-saw, hammer, scissors
2nd-Class Lever
Fulcrum at the end, load in the middle; wheel barrow, car-jack
3rd-Class Lever
Fulcrum at the end, effort in the middle; tweezers, baseball bat