Bones, Cartilage and Joints Flashcards
What is a joint?
articulation between two adjacent parts of skeleton
What does a joint do?
provides skeleton with mobility and locomotion
What are the 3 main types of joints?
fibrous, cartilagenous, synovial
Fibrous joints have what sort of mobility?
limited
What are the 2 types of fibrous joint?
syndesmoses and sutures
What is moulding?
fontanelles of babies head overlap for passage through birth canal
What sort of mobility does cartilaginous joints have?
fairly limited
Name a primary and secondary cartilaginous joint
synchondroses primary and symphyses secondary
What is a slipped femoral epiphyses?
when the head of the femur ball part moves away from actual femur
What is a slipped disc?
disc moves out from between vertebrae and puts pressure on spine
articular surfaces of synovial joints are covered in what?
Hyaline cartilage
What wraps around a synovial joint?
capsule
What is a synovial joint associated with?
bursae
What is subluxation?
reduced area of contact between articular surfaces
What is dislocation?
complete loss of contact between articular surfaces
What is hyper mobility?
where joints are more flexible than normal
Name the 9 common dislocations?
knee, elbow, hip, pubic symphesis, shoulder, ankle, tamporomandibular, cranialvertebral, interphalangeal
What is joints nerve and vascular supply like?
rich vascular and sensory nerve supply
What happens in a dislocation of the TMJ?
head of the condylar process of mandibular gets suck anteriorly to articular tubercle of temporal bone
