loose packed joint positions ( know general) Flashcards
what is open packed
when joint is under least amt of stress
least amt of joint surface congruency
capsule and support ligs are lax
accessory motion or joint play is maximalized
close packed position
position with most amt of congruency
capsule/ligs are tight
accessory motion minimized
easier to dislocate
facet loose packed
midway btw flexion and extension
TMD loose packed
mouth slightly open, lips together, teeth not in contact
GH loose packed
55deg abduction, 30deg horiz add
acromioclavicular loose packed
arm resting by side
sternoclavicular loose packed
arm resting by side
ulnohumeral loose packed
70deg flexion, 10deg supination
radiohumeral loose packed
full extension, full supination
proximal radioulnar loose packed
70deg flexion, 35deg supination
distal radioulnar loose packed
10deg supination
radiocarpal loose packed
neutral with slight ulnar deviation
intercarpal loose packed
neutral or slight flexion
midcarpal loose packed
neutral or slight flexion with ulnar deviation
carpometacarpal (thumb) loose packed
midway btw abd-add and flex-ext
carpometacarpal (fingers) loose packed
midway btw flexion and extension
metocarpophalangeal loose packed
slight flexion
interphalangeal loose packed
slight flexion
SI loose packed
counternutation
hip loose packed
30 flexion, 30 abd, slight ER
knee (tibfem) loose packed
25d flexion
distal tibfib loose packed
PF