What is the acronym to remember the rotator cuff muscles?
The acronym SITS is often used as the name for the collection of muscles that make up the rotator cuff: supraspinatus, infraspinatus, teres minor, and subscapularis.
How did rotator cuff get its name?
They are also referred to as the SITS muscle, with reference to the first letter of their names (Supraspinatus, Infraspinatus,Teres minor, and Subscapularis, respectively). The muscles arise from the scapula and connect to the head of the humerus, forming a cuff around the glenohumeral (GH) joint.
How can I remember my rotator cuff muscles?
A helpful mnemonic to remember these muscles is “SITS.” The glenohumeral joint is a ball and socket joint and comprises a large spherical humeral head and a small glenoid cavity….The rotator cuff includes the following muscles [1] [2] [3] :
- Subscapularis.
- Infraspinatus.
- Supraspinatus.
- Teres minor.
Can you please name the four rotator cuff muscles?
Share on Pinterest Four muscles make up the rotator cuff: the subscapularis, teres minor, supraspinatus, and infraspinatus. Together they assist in stabilizing the shoulder joint as well as in performing various arm movements.
Where do the rotator cuff muscles originate?
Function. The rotator cuff muscles are important in shoulder movements and in maintaining glenohumeral joint (shoulder joint) stability. These muscles arise from the scapula and connect to the head of the humerus, forming a cuff at the shoulder joint.
How did the supraspinatus get its name?
Location. The supraspinatus muscle is one of four muscles in a group of muscles in the shoulder region known as the rotator cuff. These keep the top of your upper arm bone secured inside the socket of the shoulder. The first part of the name, ‘supra-‘ comes from the term ‘superior’, meaning above or on top.
What are the shoulder muscles called?
The primary muscle group that supports the shoulder joint is the rotator cuff muscles. The four rotator cuff muscles are the supraspinatus, infraspinatus, teres minor, and subscapularis. Together the rotator cuff muscles form a musculotendinous cuff as they insert on the proximal humerus.
What is rotator cuff definition?
The rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder. A rotator cuff injury can cause a dull ache in the shoulder, which often worsens with use of the arm away from the body.