Joint actions Flashcards
Extension
Increase in the angle of the joint.
E.g Extending the elbow or the knee
Flexion
Decrease in the angle of the joint
E.g Bending the elbow or knee
Abduction
Movement of the body part away from the midline of the body
E.g Lifting arm out to side
Adduction
Movement of the body part towards midline of the body
Circumduction
Movement of the end of the bone in a circular motion
E.g Drawing a circle in the air with straight arm
Rotation
Movement of a body part around a central axis
E.g Turning head from sided to side
Pronation
Rotation of the hand so that the thumb moves in towards the body
E.g palm facing down
Supination
Rotation of the hand so that the thumb moves away from the body
E.g Palm facing down
Eversion
Movement of the sole of the foot away from the midline
E.g Twisiting ankle out
Inversion
Movement of the sole of the foot towards the midline
E.g Twisting ankle in
Dorsi Flexion
Decrease in the angle of the joint between the foot and lower leg
E.g Raising toes upwards
Plantar Flexion
Increase in the angle of the join between the foot and the leg
E.g Pointing toes to the ground
Elevation
Movement of the shoulders towards the head
E.g Shrugging shoulders
Depression
Movement of the shoulders away from the head
E.g Returning shoulders to a normal position
Increase in the angle of the joint.
Extension
