What are the rotator cuff muscles of the shoulder? (SITS)

Question

The rotator cuff muscles of the shoulder consist of the Supraspinatus, Infraspinatus, Teres Minor, and Subscapularis. (SITS)

Answer 1

rotator cuff muscles are basically a group of muscles that works together and as a result they stabilizes the shoulder. These muscles include:

1. supraspinatous
2. infraspinatous
3. teres minor
4. subscapularis

these can easily be remembered by mnemonic: "SITS"

Answer 2

Hi there! Think of the rotator cuff muscles like a group that work together to help stabilize your shoulder.

1. Supraspinatus: Sits on top of your shoulder blade. Its job is to lift your arm out to the side, like when you're reaching for something on a high shelf. It starts from a spot on your shoulder blade called the supraspinous fossa and attaches to the top of your arm bone (humerus).
2. Infraspinatus: Imagine this muscle as a little protector on the back of your shoulder blade. It helps to rotate your arm outward, like when you're opening a door or throwing a ball. It originates from a bony ridge on your shoulder blade called the infraspinous fossa and attaches to the back of your arm bone.
3. Teres Minor: This muscle works closely with the infraspinatus to help with outward rotation of your arm. It's like their sidekick! It starts from the side of your shoulder blade (lateral border) and also attaches to the back of your arm bone.
4. Subscapularis: This muscle is like the hidden hero, located on the underside of your shoulder blade. Its main job is to rotate your arm inward, like when you're reaching to grab something behind your back. It originates from a spot on the inside surface of your shoulder blade (subscapular fossa) and attaches to the front of your arm bone.

Short version: Supraspinatus lifts your arm up out to the side, infraspinatus and teres minor rotate your arm outward, and subscapularis rotates it inward. Together, they form a strong team that keeps your shoulder moving smoothly and strong!