Types of joints Flashcards
1
Q
what are fixed joints
A
fixed joints are interlocked bones. they dont move and are held togther by bands of fibirus tissue that is very strong
2
Q
slightly movable joint
A
allows slight movment
- seperated by fibrocartlidge to help absord impacts
- covered in smooth shiney covering (articular) this helps stops friction
3
Q
synovial joint
A
- freely movable joint
- 2 or more bones
-has cartlidge to allow bones to slide over on another
-synovial cavity relases fluid to lubriacte the joint
-contains ligamnets fibiriouse bands
4
Q
name all the elemnts of synovial joints
A
-bursa
- articular cartlidge
- synovial membrain
-synovial fluid
-ligamnts
-joint capsule
5
Q
what is bursa
A
-fluid filled sack
- cushioned between tendon and bone
- prevents friction
6
Q
joint capsule
A
- fibirus outer sleeve allows bones to keep in place
- helps protects bones
7
Q
articular cartlidge
A
- smooth slippery ends of bone that prevent friction
8
Q
synovial membrane
A
- the capsule lining that relases fluid
9
Q
ligaments
A
- holds the bones togther and keep them in palce
10
Q
what are the types of synovial joints
A
- hinge
- ball and socket
- condyloid
- gliding joint
- pivot joint
- saddle joint
11
Q
what is a hinge joint
A
- only allows one direction of movment
- e.g would be bicep curl
12
Q
ball and socket
A
- allows movment in all directions
- round end of bone into cuped shaped socket
- e.g would be shoulder
13
Q
condyloid
A
- movment fowards, backwards and side to side
- e.g wrist
14
Q
gliding joint
A
- allows movemnt over flat suurface in all direction
- restrcited by ligmamnets
- e.g carples and tarsles
15
Q
pivot joint
A
- circular bone fits on peg shaped other bone
-e.g moving neck side to side using pivot joint
