3 Written Questions

1. Origin - Atlas and occipital bone. Insertion - Metacromion process. Action - Draws scapula crainally.
2. Origin - Spines of cervical vertebrae. Insertion - Spine of scapula. Action - Draws scapula dorsally.
3. Origin - Thoracic and lumbar vertebrae. Insertion - Shaft of humerus. Action - Pulls arm caudodorsally.

3 Multiple Choice Questions

1. Origin - Clavicle. Insertion - Ulna beneath semilunar notch. Action - Flexes forearm.
   1. Acromiodeltoid
   2. Clavobrachialis
   3. Clavotrapezius
   4. Spinotrapezius
2. Origin - Acromion of scapula. Insertion - Outer surface of spinodeltoid. Action - Flexes and rotates humerus.
   1. Acromiodeltoid
   2. Acromiotrapezius
   3. Spinotrapezius
   4. Spinodeltoid
3. Origin - Spine of scapula. Insertion - Deltoid region of humerus. Action - Flexes and rotates humerus
   1. Spinotrapezius
   2. Clavotrapezius
   3. Spinodeltoid
   4. Acromiodeltoid

2 True/False Question

1. Spinotrapezius → Origin - Lambdoidal crest of skull. Insertion - Clavicle. Action - Draws scapula crainiodorsally.
   

   True        False

2. Clavotrapezius → Origin - Lambdoidal crest of skull. Insertion - Clavicle. Action - Draws scapula crainiodorsally.
   

   True        False