Joints 23 Flashcards
Explain what joints are?
The point of contact between bone and bone, cartilage and bone, and teeth and bones.
What are joints supported by?
Ligaments, joint capsules and surrounding muscle.
what are the different classified motions of joints?
Immovable, slightly immovable, freely movable.
Name the 3 structural joint classifications.
fibrous joints, cartilaginous joints, synovial joints.
describe fibrous joints.
Joints with no cavity, just fibrous connective tissue- collagen rich
Describe cartilaginous joints.
Bones held together by cartilage.
describe synovial joints.
Have synovial cavity & dense irregular tissue of articular capsule and ligaments.
What is the functional name for immoveable joints and name examples.
‘Synarthroses’, pelvis, teeth, sutures of skull.
What parts of the body contain immoveable joints (synarthroses)
Pelvis, teeth, sutures of skull.
What is the functional name of joints with ‘slight movement’ and name examples.
‘Amphiarthroses’, vertebrae, epiphysis, tibia-fibula and pelvic symphysis.
What parts of the body contain slightly moveable joints.
epiphysis, tibia-fibula, pelvic symphysis, vertebrae.
What is the functional name of joints with free movement?
‘Diathroses’, all are synovial joints.
What is the movement in fibrous joints?
Little or no movement.
Types of fibrous joints.
Suture (skull), syndesmosis (tibia & fibula),
gomphosis 9tooth rot in socket)
what is the functional classification of the fibrous ‘suture’ joint?
Synarthrosis eg immoveable.