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we describe movement of the body parts in terms of.... anatomical position
flexion reducing angle between bones (thin of the curled up guy)
extension increasing angle between bones (think of the arched out guy)
hyperextension further extension of joint past anatomical position
lateral flexion flexing to side
medial flexion flexing back up to the start
dorsiflexion flexing the dorsum up, toes point up
plantar flexion flexing sole of foot down/ toes point downward
abduction moving away from midline (in the frontal plane) think: "AB"solutely I want to make a snow angel!"
example of flexion flexing bicep
example of extension returning arm to starting point
example of hyperextension pushing head backward to look up
elevation structure moves superiorly (moving in frontal plane)
depression structure moves inferiorly (moving in the frontal plane)
example of elevation shrugging shoulders
example of depression bringing shoulders down after shrug
protraction structure moves anteriorly (moving on the transverse plane)
retraction structure moves posteriorly (moving on the transverse plane)
example of protraction? push jaw foward
example of retraction? bring jaw back
lateral excursion moving mandible side to side
medial excursion bringing mandible back to midline
circumduction proximal end of the appendage remains relatively stationary, while distal end makes circular motion
rotation turning of a bone around its long axis
lateral rotation turn away from midline
medial rotation turn toward midline
examples of rotation? rotate head, or humerus.
supination turns palm to face anteriorly/upward (think holding cup of SOUP)
pronation turns palm to face posteriorly/downward (think you are "prone" to be in most comfy position)
opposition tip of thumb goes to tips of other fingers (think "opposable" thumb)
reposition return thumb to normal position
inversion sole of foot turns medially
eversion sole of foot turns laterally
Created by: kalmetina