Synovial Joints Flashcards
1
Q
What is a synovial joint
A
Where two bones meet
Capable of large range of movement
Lined with hyaline cartilage
Enclosed capsule containing synovial fluid
2
Q
Define Biaxial, multiaxial and uniaxial
A
Uniaxial - moves on one axis
Biaxial - Moves along 2 axis
Multiaxial - Moves along 3 or more axis’s
3
Q
Define Plane joints
A
Glide movement
Flat surface
Non-axial - no rotation occurs
Example is the intercarpal joints
4
Q
Define pivot joints
A
Pivoting movement
Rounded main point where rotation occurs
Uniaxial
V1 rotates around V2 bulb (shaking head no) (Atlanto axial)
Radioulnar joint
5
Q
Define hinge joints
A
Similar to a hinge of a door Uniaxial Permit flexion and extension Elbow Ankle - talocruel joint
6
Q
Define condyloid joint
A
Circular motion Upwards saddle joint Flexion and extension Abduction and adduction Knuckles Wrist
7
Q
Define saddle joint
A
Looks like a saddle Flexion and extension Abduction and adduction Biaxial 1st carpometacarpal joint
8
Q
Define ball and socket
A
Multiaxial Flexion and extension Abduction and adduction Internal and external rotation Circumduction Shoulder Hip joint
9
Q
Define abduction and adduction
A
Abduction is moving away
Adduction is coming inwards
