Joint Terminology

Question 1

Loose/Open Pack

Answer 1

• Joint capsule and soft tissue in most relaxed position

- Least amount of contact between joint surfaces

Question 2

Close Pack

Answer 2

• Joint capsule and tissue are maximumly tense

- Maximum contact between joint surfaces

Question 3

Joint Space/Cavity

Answer 3

• Space enclosed by synovial membrane and articular cartilages
• Contain synovial fluid

Question 4

Joint Inflammation

Answer 4

Swelling (also pain, redness, warmth, stiffness) around joint

Question 5

Angular Movement

Answer 5

Changing the angle between bones of a joint

Question 6

Osteokinematic Movement

Answer 6

The way bones move around the axis of a joint (Ex Flexion, Extension etc)
*Gross/Larger movement

Question 7

Arthrokinematic Movement

Answer 7

The movement of joint surfaces (Ex Gliding, Sliding etc)

*Subtle movement

Question 8

Dislocation

Answer 8

When a bone slips out of a joint; Ends of bones forced from normal position

Question 9

Subluxation

Answer 9

Partial dislocation (slight misalignment of bones)

Question 10

Arthritis

Answer 10

Inflammation of a joint

Question 11

Open Kinetic Chain

Answer 11

Distal segment of extremity is free to move around

Question 12

Closed Kinetic Chain

Answer 12

Distal segment of extremity meets resistance and is unable to move freely