Joints 1.1 Flashcards
Tendon definition (3)
Strong, elastic cords, muscle to bone
Bursae definition (2)
Sac filled with fluid, floats inside joint
Cartilage definition (2)
Tough flexible tissue, buffer between bones
What does the bursa prevent friction between
Tendon and bone
What does cartilage prevent friction between
Bones
Synovial fluid definition (2)
Clear slippery liquid, lubricates joint
What does synovial fluid prevent friction between
Bones
Ligament definition (3)
Bands of elastic fibre, bone to bone, stability by restricting movement
Synovial membrane definition (2)
Lining in joint capsule, secretes synovial fluid
Joint capsule definition (2)
Supports and holds and encloses bones together, tissue to stop synovial fluid escaping
Movement at ball and socket (3)
Rotation, adduction, abduction
Movement at hinge joint
Towards and away from each other
Extension definition
Increase of bones at an angle
Flexion definition
Decrease of angle at a joint
Abduction definition
Movement of bone/limb away from midline of body
Adduction definition
Movement of bone/limb towards midline of body
Rotation definition
Circular movement around joint/axis
Plantar flexion definition
At ankle and increases angle at ankle joint
Dorsiflexion definition
At ankle, and angle decreases at joint
Example of pivot joint
Neck
What joint is at the neck
Pivot joint
What does pivot joint do
Allows bones to rotate whilst inside another bone or ligament
What movement happens at a pivot joint
Rotation
What joint allow bones to rotate while in another bone or ligament
Pivot
Example of a saddle joint
Thumb
What joint at the wrist an example of
Gliding joint or condyloid joint
What does a saddle joint do
Movement in 2 planes, limited due to shape
Example of ball and socket joint
Shoulder
What is the joint is the shoulder an example of
Ball and socket
What does a ball and socket do
Moves freely in all directions, rotation
What joint allows movement in 2 planes, and is limited due to shape
Saddle joint
What joint allow free movement in all directions, rotation
Ball and socket
An example of a hinge joint
Elbow
What joint is the elbow an example of
Hinge joint
What does a hinge joint do
Moves in one plane only, limited by bone shape and strong ligaments
What joint moves in one plane only, limited by bone shape and strong ligaments
Hinge joint
Example of a gliding joint
Wrist
What does a gliding joint do
One bone slides on top of another, little movement in all directions, limited by ligaments
What joint has one bone sliding on top of another, little movement in all directions, limited by ligaments
Gliding joint
Example of condyloid joint
Wrist
What does condyloid joint do
Movement possible in 2 planes, bones fit together
What joint has movement possible in 2 planes, bones fit together
Condyloid joint
Name of ankle joint
Talocrural
Where is talocrural joint
Ankle
