| 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. |
Cardio Block2anatomy
