Closed Packed/Open Packed Flashcards
Open Packed Position
least joint congruence, minimal stress, most soft tissue laxity
Closed Packed Position
most joint congruence, maximal stress, least soft tissue laxity
Facet
Open: neutral
Closed: extension
TMJ
Open: slightly opened
Closed: clenched teeth
Glenohumeral
Open: 55 degrees abduction, 30 degrees horizontal adduction
Closed: full abduction and ER
AC Joint
Open: arm at side
Closed: 90 degrees abduction
Sternoclavicular
Open: arm at side
Closed: max shoulder elevation
Ulnohumeral
Open: 70 degrees flexion, 10 degrees supination
Closed: extension
Radiohumeral
Open: max extension and supination
Closed: 90 degrees flexion, 5 degrees supination
Proximal Radioulnar
Open: 70 degrees flexion, 35 degrees supination
Closed: 5 degrees supination
Distal Radioulnar
Open: 10 degrees supination
Closed: 5 degrees supination
Radiocarpal
Open: neutral with slight ulnar deviation
Closed: extension and radial deviation
Carpometacarpal (thumb)
Open: neutral (midway between abd/add and flex/ext)
Closed: opposition
Metacarpophalangeal (fingers)
Open: slight flexion
Closed: full flexion
Interphalangeal
Open: slight flexion
Closed: extension