Joint Positions

Question 1

Vertebral

Answer 1

Loose-packed: midway btwn FLX and EXT

Close-packed: max EXT

Question 2

Temporomandibular

Answer 2

Loose-packed: jaw slightly open (freeway space)

Close-packed: max retrusion (mouth closed with teeth clenched) or max anterior position mouth max opened

Question 3

Sternoclavicular

Answer 3

Loose-packed: arm resting by side

Close-packed: arm max elevated

Question 4

Acromioclavicular

Answer 4

Loose-packed: arm resting by side

Close-packed: arm ABD 90°

Question 5

Glenohumeral

Answer 5

Loose-packed: 55-70° ABD, 30° horizontal ADD, neutral ROT

Close-packed: max ABD and ER

Question 6

Elbow: humeroulnar

Answer 6

Loose-packed: 70° FLX, 10° supination

Close-packed: full EXT and supination

Question 7

Elbow: humeroradial

Answer 7

Loose-packed: full EXT and supination

Close-packed: 90° FLX, 5° supination

Question 8

Forearm: proximal radioulnar

Answer 8

Loose-packed: 70° FLX, 35° supination

Close-packed: 5° supination and full EXT

Question 9

Forearm: distal radioulnar

Answer 9

Loose-packed: 10° supination

Close-packed: 5° supination

Question 10

Radio/ulnocarpal

Answer 10

Loose-packed: neutral with slight ulnar deviation

Close-packed: full EXT with radial deviation

Question 11

Hand: midcarpal

Answer 11

Loose-packed: neutral with slight FLX and ulnar deviation

Close-packed: full EXT

Question 12

Hand: carpometacarpal (2-5)

Answer 12

Loose-packed: midway btwn FLX/and EXT, mid flexion, and mid EXT
Close-packed: full opposition

Question 13

Hand: trapeziometacarpal

Answer 13

Loose-packed: midway between FLX/EXT and btwn ABD/ADD

Close-packed: full opposition

Question 14

Hand: metacarpophalangeal (MCP)

Answer 14

Loose-packed: 
- 1st MCP: slight FLX
- 2-5 MCPs: slight FLX with ulnar deviation
Close-packed:
- 1st MCP: full EXT
- 2-5 MCPs: full FLX

Question 15

Hand: interphalangeal (IP)

Answer 15

Loose-packed:
- proximal IP: 10° FLX
- distal IP: 30° FLX
Close-packed: full EXT