| Question |
Answer |
| What are the four shoulder muscles associated with the Musculotendinous Cuff?
Hint: SITS |
Supraspinatus, Infraspinatus, Subscarpularis, Teres Minor |
| Which is the only musculotendinous cuff muscle that does not rotate the humerus? |
Supraspinatus |
| Which muscle prevent downward dislocation of the shoulder? |
Supraspinatus. |
| What is the origin of Supraspinatus? |
Superspinous fossa of the scapula. |
| What is the insertion of Supraspinatus? |
Greater tubercle of the humerus. |
| What is the action of Supraspinatus? |
Abducts the shoulder. |
| What is the nerve for Supraspinatus? |
Suprascapular. |
| What is the origin of Infraspinatus? |
Infraspinous fossa of the scapula. |
| What is the insertion of Infraspinatus? |
Greater tubercle of the humerus. |
| What is the action of Infraspinatus? |
Laterally rotate the shoulder. |
| What is the nerve of Infraspinatus? |
Suprascapular. |
| Which muscle is a synergist to the infraspinatus? |
Teres Minor. |
| Which muscle may fuse with the infraspinatus? |
Teres Minor. |
| What is the origin of Teres Minor? |
Superior two thirds (2/3) of the lateral border of the scapula. |
| What is the insertion of Teres Minor? |
Greater tubercle of the humerus. |
| What is the action of Teres Minor? |
Adducts the shoulder, laterally rotates the shoulder. |
| What is the nerve of Teres Minor? |
Axillary. |
| Which muscle is sometimes called the "Frozen Shoulder" muscle? |
Subscapularis. |
| Which of the musculotendinous cuff muscles does not insert on the greater tubercle of the humerus? |
Subscapularis. |
| What is the origin of the Subscapularis muscle? |
Subscapular fossa of the scapula. |
| What is the insertion of the Subscapularis muscle? |
Lesser tubercle of the humerus. |
Kelly Muchetti
on 2009-06-23
mr. charles11
