Musculoskeletal: Open and Closed Packed Positions

Question 1

Sternoclavicular Joint

Answer 1

Loose Packed: Arm resting by side

Close Packed: Arm maximally elevated

Question 2

Acromioclavicular Joint

Answer 2

Loose Packed: Arm resting at side

Close Packed: Arm abducted 90 degrees

Question 3

Glenohumeral Joint

Answer 3

Loose Packed: 40-55 Abduction+30 degrees HADD (scapular plane)
Close Packed: Maximum Abduction and ER

Question 4

Humeroulnar Joint

Answer 4

Loose Packed: 70 degrees flexion+10 degrees supination.

Close Packed: Full extension and supination

Question 5

Humeroradial Joint

Answer 5

Loose Packed: Full extension+supination

Close Packed: 90 degrees flexion+5 degrees supination

Question 6

Proximal Radioulnar Joint

Answer 6

Loose Packed: 70 degrees flexion+35 degrees supination

Close Packed: 5 degrees supination

Question 7

Distal Radioulnar Joint

Answer 7

Loose Packed: 10 degrees supination

Close Packed: 5 degrees supination

Question 8

Radio/Ulnocarpal Joints

Answer 8

Loose Packed: Neutral+slight ulnar deviation

Close Packed: Full extension+radial deviation

Question 9

Midcarpal Joint

Answer 9

Loose Packed: Neutral or slight flexion+ulnar deviation

Close Packed: Extension with Ulnar Deviation

Question 10

Carpometacarpal Joint: Thumb

Answer 10

Loose Packed: Midway between abduction, adduction, flexion, and extension
Close Packed: Full Opposition

Question 11

Carpometacarpal Joint: Fingers

Answer 11

Loose Packed: Midway between flexion and extension

Close Packed: Full flexion

Question 12

Metacarpalphalangeal Joint: Thumb

Answer 12

Loose Packed: Slight flexion

Close Packed: Full opposition

Question 13

Metacarpalphalangeal Joints: Finger

Answer 13

Loose Packed: Slight flexion

Close Packed: Full flexion

Question 14

Interphalangeal Joints

Answer 14

Loose Packed: Slight flexion

Close Packed: Full extension

Question 15

Hip

Answer 15

Loose Packed: 30 degrees flexion+30 degrees abduction+slight external rotation
Close Packed: Full extension+abduction+Internal rotation

Question 16

Knee

Answer 16

Loose Packed: 25 degrees flexion
Bony Close Packed: 90 degrees flexion, slight abduction, slight ER.
Close Packed: Full extension and ER

Question 17

Talocrural Joint

Answer 17

Loose Packed: Mid inversion/eversion and 10 degrees plantarflexion
Close Packed: Full dorsiflexion

Question 18

Subtalar Joint

Answer 18

Loose Packed: Midway between extremes of range of motion

Close Packed: Full inversion

Question 19

Midtarsal Joint

Answer 19

Loose Packed: Midway between extremes of range of motion

Close Packed: Full supination

Question 20

Tarsometatarsal Joint

Answer 20

Loose Packed: Midway between supination and pronation

Close Packed: Full supination

Question 21

Matatarophalangeal Joints

Answer 21

Loose Packed: Neutral Extension to 10 degrees

Close Packed: Full extension

Question 22

Interphalangeal Joints

Answer 22

Loose Packed: Slight flexion

Close Packed: Full extension

Question 23

Vertebral

Answer 23

Loose Packed: Midway between flexion and extension

Close Packed: Maximal extension

Question 24

TMJ

Answer 24

Loose Packed: Jaw slightly open

Close Packed: Maximal retrusion or maximally opened.