MOVEMENTS OF SHOULDER JOINT
Q. 1
Movements taking place during abduction of shoulder joint are all except?
| A |
Medial rotation of scapula |
|
| B |
Axial rotation of humerus at acromioclavicular joint |
|
| C |
Elevation of humerus |
|
| D |
Movements at clavicular end of sternoclavicular joint |
Q. 1
Movements taking place during abduction of shoulder joint are all except?
| A |
Medial rotation of scapula |
|
| B |
Axial rotation of humerus at acromioclavicular joint |
|
| C |
Elevation of humerus |
|
| D |
Movements at clavicular end of sternoclavicular joint |
Ans.
A
Explanation:
Medial rotation of scapula.
- Abduction of the ann involves rotation of the scapula as well as movement at the shoulder joint.
- For every 3° abduction, a 2 ° abduction occurs in the shoulder joint & 1 ° abduction occurs by rotation of the scapula
- Also know: Abduction is initiated by the supraspinatus but the deltoid muscle is the main abductor.
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