Joints Flashcards
skeletal system
1
Q
Things to know
A
- Closer the bones fit the
stronger the joint - Tightly fitting joints restrict
moveable
2
Q
3 main types of joints
A
Fibrous
Cartilaginous
Synovial
3
Q
Fibrous
A
- Fixed/immovable joints
- Bones are connected by
dense tissue
4
Q
Synovial
A
- Freely moveable joints
- synovial cavity fluid ( lube)
- most common in sporting
5
Q
Cartilaginous
A
- Partly moveable
- bones are connected by
cartilaginous
Eg. Connection between rib & sternum
6
Q
Types of Synovial Joints
A
- Ball and socket
- Pivot Joint
- Hinge
- Gliding Joint
- Saddle joint
- Ellipsoid/ condyloid
7
Q
Ball and socket
A
( hip, shoulder)
- able to move in all direction
- multi- axial joint
8
Q
Hinge Joint
A
( Elbow , fingers)
8
Q
Pivot Joint
A
( Athus an axius)
- Has only one axis
allows rotational movement
only
9
Q
Gliding Joint
A
( Ankle, wrist )
- Exits where bones with flat
surfaces meet
- allows sideways, forward
and backward
10
Q
Saddle Joint
A
( thumb, ankle)
- Bi-axial joint
- Moves sideways, an back
and force
11
Q
A
11
Q
Ellipsoid/ Condyloid
A
( Knee)
- Classified as hinge joint
- Allows small amount of
rotation