MSK objective joint assessment

Question 1

Explain the concave convex rule:

When a convex surface moves on a stable concave surface, the sliding of the convex surface occurs in the ______ direction

When a concave surface moves on a convex, sliding of the concave occurs in the _____ direction

Answer 1

When a convex surface moves on a stable concave surface, the sliding of the convex surface occurs in the opposite direction

When a concave surface moves on a convex, sliding of the concave occurs in the same direction

Question 2

Explain the close pack position

Answer 2

Joint ligaments and capsule fully taut
Stable
No accessory movement can occur
Maximum congruency

Question 3

What are the contraindications to joint mobilisations?

Answer 3

Infection
Tumour
Inflam
Fractures 
RA
Joint instability
Hyper mobility

Question 4

What are the effects of joint mobilisations?

Answer 4

Improve ROM
Increase length of joint soft tissue
Increase length of tissue around joint
Pain  relief 
Decreased muscle spasm
Placebo effect

Question 5

What are the two types of movement

Answer 5

Osteokinematic - movement of bones on anatomical axis e.g. Accessory movements

Arthrokinematic - motion between joint surfaces