MSK #3- Joint positions- resting and closed-pack positions

Question 1

Vertebral

Answer 1

Resting p: midway between flex and ext

Closed-pack p: Max extension

Question 2

Tmperomandibular

Answer 2

Resting p: Jaw slightly open(freeway space)

Closed-pack p: Max retrusion (mouth closed with teeth clenched) or max anterior position with mouth maximally opened

Question 3

Sternoclavicular

Answer 3

Resting P: Arm resting by side

Closed-pack P: Arm maximally elevated

Question 4

Acromioclavicular

Answer 4

Resting P: Arm resting by side

Closed-pack position: Arm abducted 90^o

Question 5

Glenohumeral

Answer 5

Resting P: 55^o-70^o abduction, 30^o horizontal adduction, neutral rotation

Closed-pack P: Maximum abduction and ER

Question 6

Elbow- Humeroulnar

Answer 6

Resting P: 70^o flexion and 10^o supnation

Closed-pack P: full extension and supination

Question 7

Elbow- Humeroradial

Answer 7

Resting P: Full extension and supination

Closed-pack P: 90^o flexion and 5^o supination

Question 8

Forearm- Proximal radioulnar

Answer 8

Resting P: 70^o flexion and 35^o supination

Closed-pack P: 5^o supination and full etension

Question 9

Forearm- Distal radioulnar

Answer 9

Resting P: 10^o Supination

Closed-pack P: 5^o Supinaton

Question 10

Radio/ulnocarpal

Answer 10

Resting P: neutral with slight ulnar deviation

Closed-pack P: Full ext with radial deviation

Question 11

Hand- Midcarpal

Answer 11

Resting P: Neutral with slight flexion and ulnar deviation

Close-packed P: Full extension

Question 12

Hand- Carpometacarpal (2-5)

Answer 12

Resting P: Midway between flexion and extension, mid flexion, and mid extension

Close-packed P: Full opposition

Question 13

Hand- Trapeziometacarpal

Answer 13

Resting P: Midway between flexion/ extension and between abduction/ adduction

Close-packed P: Full opposition

Question 14

Hand- Metacarpophalangeal (MCP)

Answer 14

Resting P: First MCP joint- slight flexion, MCP joints 2-5- slight flexion with ulnar deviation

Close-packed P: First MCP joint- fll extension, MCP joints 2-5- full extension

Question 15

Hand- Interphalangeal (IP)

Answer 15

Resting P: Proximal IP joints- 10⁰ flexion, Distal IP joints- 30⁰ flexion

Close-packed P: Full extension

Question 16

Hip

Answer 16

Resting P: 30⁰ flexion, 30⁰ abduction, and slight lateral rotation

Close-packed P:

• Ligaentous: full extension, abduction and IR
• Bony: 90⁰ flexion, slight abduction and slight ER

Question 17

Knee

Answer 17

Resting P: 25⁰ flexion

Close-packed P: Full extension and ER

Question 18

Ankle/foot- Talocrural

Answer 18

Resting P: Mid inversion/ eversion and 10⁰ PF

Close-packed P: Full DF

Question 19

Ankle/ Foot- Subtalar

Answer 19

Resting P: Midway between extremes of ROM with 10⁰ PF

Close-packed P: Full inversion

Question 20

Ankle/foot- Midtarsal

Answer 20

Resting P: Midway between extremes of ROM with 10⁰ PF

Close-packed P: Full supination

Question 21

Ankle/foot- Tarsometatarsal

Answer 21

Resting P: Midway between supination and pronation

Close-packed P: Full supination

Question 22

Toes- MTP

Answer 22

Resting P: Neutral (extension 10^o)

Close-packed P: full extension

Question 23

Toes- IP

Answer 23

Resting P: Slight flexion

Close-packed P: Full extension