Athrology- the Study of Joints – Flashcards
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suture, syndemosis, gomphosis
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The three types of fibrous joints?
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Suture
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Type of joint that contains very short fibers that connect the interlocking edges of articulating bones; occurs only between bones of the skull
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Syndesmosis
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Type of join that contains ligaments that connect the two bones
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Gomphosis
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A peg-in-socket type of joint; only examples is a tooth in the alveolar process of the mandible or maxillae bones
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Fibrous Joints
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Bones joined together by fibrous connective tissue; no joint cavity
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Cartilaginous Joints
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Bones joined by cartilage; no joint cavity
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Synovial Joints
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Articulating bones are separated by a fluid-containing joint cavity
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Synarthrosis joint
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immovable joint
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Amphiarthrosis Joint
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Slightly movable joint
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Diarthosis
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Freely movable joint
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It is synarthoric
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What type of joint is a suture joint in relation to movement?
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Either synarthotic or amphiarthrotic
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What type of joint is a syndesmosis joint in relation to movement?
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It is a synarthrotic joint
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What type of joint is a gomphosis joint in relation to movement?
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Synchondrosis & Symphysis
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Two types of cartilaginous joints?
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Synchondrosis
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A joint with a bar or plate of hyaline cartilage that joins bones
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They are synarthrotic joints
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What type of joint is a synchondrosis joint in relation to movement?
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Symphysis
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A joint with a pad or plate of fibrocartilage between bones
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They are amphiarthotic
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What type of joint are symphysis joints in relation to movement?
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Cartilage
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What are bones held together by?
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Articular cartilage, joint or synovial cavity, articular capsule (containing fibrous capsule and synovial membrane), synovial fluid, and reinforcing ligaments
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Distinguishing features of synovial joints?
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plane joints, hinge joints, pivot joints, condyloid joints, saddle joints, ball-and-socket joints
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six types of synovial joints based on structure?
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Plane joint
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Where the articular surfaces of both bones are flat; sliding action Example: carpal/tarsal bones
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pivot joint
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rounded end of one bone protrudes into a sleeve/ring composed of a little bit of bone and ligament; permits rotation/pronation/supination
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condyloid joint
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Egg shaped end of one bone that fits into an oval cavity of another, allowing moving bone to go side to side and back & fourth. Example: where the phalanges join to the metacarpals
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hinge joint
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Joint between bones (as at the elbow or knee) that permits motion in only one plane
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antlantoaxial joint
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joint between the atlas and axis that allows you to perform the "no" movement with your head (pivotal joint)
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saddle joint
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A biaxial synovial joint in which the double motion is affected by opposition of two surfaces, as in the thumb.
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ball and socket joint
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allows for radial movment in almost any direction. They are found in the hips and shoulders. (Like a door knob)
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Fibrous, Cartilaginous, Synovial
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3 types of classifications of joints based on structure
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Synarthrosis, amphiarthrosis, diarthrosis
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3 types of classifications of joints based on function
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Joint Cavity
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Contains synovial fluid
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Cushion joint
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What does hyaline cartilage do?
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Synovial membrane
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What produces the synovial fluid?
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Ankle Region
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Area related to the ankle including the tarsal bones
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Tibiofemoral joint
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Formed with the femur and tibia
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Femoropatellar Joint
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Formed with the Femur and patella
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Tibiofibular Joint
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Formed with the Tibia and fibula (proximally)
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Tibiofibular joint
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Formed with the tibia and fibula (distally)
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Ankle joint
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Formed with the tibia, fibula, and talus
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Intertarsal Joint
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Joint formed by adjacent tarsals
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Tarsometatarsal Joint
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Joint formed by tarsal(s) and metatarsal(s)
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Metatarsophalangeal Joint
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Formed by metatarsal and proximal phalanx
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Interphalangeal Joint
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Formed between adjacent phalanges
