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| Question | Answer |
| flexion | movement that decreases the angle of a joint |
| extension | movement that increases the angle of a joint |
| hyperextension | movement that increases the angle of a joint beyond 180 degrees |
| abduction | movement of a body part away from the midline |
| adduction | movement of a body part toward the midline |
| elevation | movement that raises a bone vertically |
| depression | movement that lowers a bone vertically |
| protraction | movement of a bone anteriorly |
| retraction | movement of a bone posteriorly |
| lateral excursion | movement of the jaw sideways to the right or left |
| medial excursion | movement of the jaw back to the midline from the right or left |
| circumduction | movement in which one end of an appendage remains relatively stationary and while the other end makes a circulation motion |
| rotation | movement that twists a bone on its longitudinal axis |
| supination | rotation of the forearm so the palm faces anteriorly in anatomical positions |
| pronation | rotation of the forearm so the palm faces posteriorly |
| opposition | movement of the thumb to touch the fingertips |
| reposition | movement of the thumb from touching the fingertips back to anatomical position |
| dorsiflexion | raising of the toes or foot upward |
| plantar flexion | extension of the toes or foot so that they point downward |
| inversion | raising the sole of the foot medially |
| eversion | raising the sole of the foot laterally |
| lever | elongated, rigid object that rotates around a fixed point |
| fulcrum | the fixed point that an elongated, rigid object rotates around |
| first-class lever | lever in which the fulcrum is in the middle |
| second-class lever | lever in which the resistant is in the middle |
| third-class lever | lever in which the effort is applied between the fulcrum and resistance |
| temporomandibular joint | articulation of the condyle of the mandible with mandibular fossa of the temporal bone |
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