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Jnt Classifications

QuestionAnswer
Functional Classifications 1) synarthroses (fibrous joints) 2) amphiarthroses (cartilaginous joints) 3) diarthroses (synovial joints)
Describe what synarthroses is bones united by fibrous tissue and are nonsynovial. Movement dependent on length of fibers
Joint that has minimal to no movement Fibrous (synarthroses)
Name the 3 types of fibrous joints 1. suture (sagittal suture of skull) 2. syndesmosis (tibia and fibula with interosseous membrane) 3. gomphosis (tooth in its socket)
Describe a suture Fibrous joint; immovable; eventual fusion termed synostosi
Describe syndesmosis bone connected to bone by dense fibrous membrane; very little motion; fibrous joint
Describe gomphosis fibrous joint; two bony surfaces connect as a peg in a whole; teeth and corresponding sockets in the mandible/maxilla are the ONLY gomphosis joint in body; periodontal membrane is the fibrous component of the joint
What is synostosis eventual fusion of a joint
What are the different types of cartilaginous joints synchondrosis (sternum and true rib articulation) symphysis (pubic symphysis)
Describe cartilaginous joints have a hyaline cartilage or a fibrocartilage connecting one bone to another. Slightly moveable.
describe synchondrosis example is sternum and true rib articulation has hyaline cartilage; cartilage adjoins 2 ossifying centers of bone; provides stability during growth; may ossify to a synostosis once growth is completed; slight movement
describe symphysis joint cartilaginous joint; example is pubic symphysis; generally located at the midline of the body; 2 bones covered with hyaline cartilage; 2 bones connected by fibrocartilage; slight motion
what are the different types of diarthroses joints uniaxial biaxial multiaxial
Which joint has fee movement diarthroses (synovial)
What are the 5 distinguishing characteristics of a diarthroses (synovial) joint 1. joint cavity 2. articular cartilage 3. synovial membrane 4. synovial fluid 5 fibrous capsule
Which joints are classified by the type of movement and by the shape of articulating bone synovial joints (diarthroses)
what is a uniaxial joint 1 motion around a single axis in 1 plane of the body
Which joint is a hinge (ginglymus) joint Uniaxial synovial joint example: elbow joint
Which joint is a pivot (trochoid) joint uniaxial synovial joint example: atlantoaxial joint
Which joint is a condyloid joint Biaxial synovial joint example: MCP
which joint is a saddle joint biaxial synovial joint example: CMP
what is a biaxial joint movement occurs in 2 planes, around 2 axes through concave/convex surfaces
what is a multi-axial joint synovial movement occurs in 3 planes around 3 axes
What are 2 examples of a multi-axial joint plane (gliding) - carpal joints ball and socket - hip joint
Created by: robon13