Soc 13 Joints, Movements, Liagments And Tendons Flashcards
Name the 4 types of joints
Pivot
Hinge
Ball and socket
Condyloid
What does the povot joint do
Permits movement of the bones in one oane,such as rotation around single axis
What does hinge joint do
Allows flexion and extension in one pane with small degrees of motion in other panes
What does ball and socket joint do
Allow,backward,forward,sideways and rotating movement
What does condyloid joint do
Allows,flexion,extension and adduction movement
What are the 8 movements
Flexion
Extension
Adduction
Abduction
Rotation
Circumduction
Dorsi-flexion
Plantar-flexion
What is flexion
Bending movement that decreases the angle between body parts
What is extension
Straightening movement that increases the angle between body parts
What is adduction
Movement that pulls towards midline of the body
What is abduction
Movement that pulls away from midline of the body
What is rotation
Movement around a single axis or pivot point
What is circumduction
Moving in a circular or conical shape
What is dorsi-flexion
Bending or flexing toes up,closer to the shin
What is plantar-flexion
Extending or pointing toes,away from the shin
Where is the pivot located
It is located in the neck e.g atlas and axis
Where is hinge located
It is located in knee,elbow and ankle e.g humerus,ulna
Where is ball and socket located
It is located at shoulder and hip e.g humerus and ulna
Where is condyloid located
It is located at wrist e.g radius,ulna,scaphoid amd lunate
An example of flexion
Completing a bicep curl(upwards motion)
An example of extension
A swimmer swings arms backeards in preperation for racing dive
An example of adduction
A golfer on the swings the clubs down towards the ball
Example of abduction
A gymnast moves arms sideways at the shoulder
Example of rotation
A tennis player serves
Example of circumduction
A cricketer bowls a ball
