part 2 Flashcards
Movement that decreases the angle of a joint.
flexion
Movement that increases the angle of a joint.
extension
Movement that increases the angle of a joint beyond 180 degrees.
hyperextension
Movement of a body part away form the midline.
abduction
Movement of a body part toward the midline.
adduction
Movement of that raises a bone vertically.
elevation
Movement of that lowers a bone vertically.
depression
Movement of bone anteriorly.
protraction
Movement of bone posteriorly.
retraction
Movement of jaw sideway to the right or left.
lateral excursion
Movement of jaw back to the midline from the right or left.
medial excursion
Movement in which one end of an appendage remains relatively stable— while the other end makes a circular motion.
circumduction
Movement that twists a bone on its longitudinal axis.
rotation
Rotation of the forearm so the palm faces anteriorly in anatomical position.
supination
Rotation of the forearm so the palm faces posteriorly
pronation
Movement of the thumb to touch the fingertips.
opposition
Movement of the thumb from touching the fingertips back to anatomical position.
reposition
Raising of the toes or foot upward
dorsiflexion
Extension of the toes or foot so that they point downward
planter flexion
Raising the sole of the foot medially.
inversion
Raising the sole of the foot laterally
eversion
Elongated, rigid object that rotates around a fixed point
lever
The fixed point that an elongated, rigid object rotates around.
fulcrum
Lever in which the fulcrum is in the middle
first-class lever
Lever in which the resistance is in the middle.
second-class lever
Lever in which the effort is applied between the fulcrum and resistance .
third-class lever
Articulation of the condyle of the mandible with mandibular fossa of the temporal bone.
temporomandibular joint