Open Pack Positions

Facet (spine)

Midway between flexion and extension

TMJ

Mouth slightly open (freeway space)

GH joint

55 degrees abduction, 30 degrees horizontal adduction

AC joint (acromioclavicular)

Arm resting by side in normal physiological position

Ulnohumeral (elbow)

70 degrees flexion, 10 degrees supination

Radiohumeral

Full extension and supination

Proximal radioulnar

70 degrees flexion, 35 degrees supination

Radiocarpal (wrist)

Neutral with slight ulnar deviation

Carometacarpal

Midway between abduction/adduction and flexion/extension

Metacarpophalangeal (fingers)

Slight flexion

Metacarpophalanged (thumb)

Slight flexion

Interphalangeal

Slight flexion

Hip

30 degrees flexion, 30 degrees abduction and slight lateral rotation

Knee

25 degrees flexion

Talocrural (ankle)

10 degrees plantar flexion, midway between maximum inversion and eversion

Metatarsophalangeal

Neutral

Interphalangeal

Slight flexion