click below
click below
Normal Size Small Size show me how
A and P 2 Ch 9
| Term | Definition |
|---|---|
| three ways to describe movement | move the point, change the angle, rotate the shaft |
| another way to describe movement | articular motion |
| gliding movement | two surfaces gliding past one another |
| angular movement | opening or closing an angle |
| rotation movement | turning a bone inwards or outwards |
| special movements | related to particular joints, like the thumb |
| gliding joint (wrist bones) | nonaxial / multiaxial |
| hinge joint (elbow joint) | monaxial, angular |
| condylar joint (wrist joint) | biaxial, angular |
| ball and socket joint (shoulder or hip joint) | triaxial, angular including circumduction, and rotation movement |
| saddle joint (thumb) | biaxial, angular |
| pivot joint (C1-C2) | monaxial, rotation movement |
| the greater the mobility, the ____ the joint | weaker |
| circumduction | to make an O with a fixed point without rotation |
| flexion | front |
| extension | center |
| hyperextension | back |
| abduction | away from body |
| adduction | towards body |
| internal rotation | medial |
| external rotation | lateral |
| pronation | palm faced down |
| supination | palm faced up |
| inversion | foot pointed to medial body |
| eversion | food pointed to lateral body |
| dorsiflexion | toes pointed towards ceiling |
| plantar flexion | toes pointed toward floor |
| opposition | moving thumb towards pinky or center of palm |
| reposition | to relax thumb |
| protraction | pushing forward (giving self underbite) |
| retraction | pulling back, resting face |
| elevation | moving in superior direction |
| depression | moving in inferior direction (dropping jaw) |
| lateral flexion | moving head from side to side |