What is the deltoid region?
Olivia Shea
Updated on April 26, 2026
The Deltoid muscle is a large triangular shaped muscle which lies over the glenohumeral joint and which gives the shoulder its rounded contour. It is named after the Greek letter delta, which is shaped like an equilateral triangle.
Where is the deltoid region of the body?
The deltoid muscle is located on the outer aspect of the shoulder and is recognized by its triangular shape. The deltoid muscle was named after the Greek letter Delta due to the similar shape they both share.
What is the deltoid region of the upper arm?
The deltoid muscle is a rounded, triangular muscle located on the uppermost part of the arm and the top of the shoulder. It is named after the Greek letter delta, which is shaped like an equilateral triangle.
What’s the deltoid definition?
(Entry 1 of 2) : a large triangular muscle that covers the shoulder joint and serves to raise the arm laterally.
What is the scapular region?
The scapular region is on the superior posterior surface of the trunk and is defined by the muscles that attach to the scapula (shoulder blade). These muscles can be divided into: As it continues laterally, this spine forms the acromion (the bony high point of the shoulder).
What is deltoid and its function?
Your deltoid muscles are in your shoulder, which is the ball-and-socket joint that connects your arm to the trunk of your body. Deltoid muscles help you move your arms in different directions. They also protect and stabilize your shoulder joint. Like most other muscles in your body, the deltoids are skeletal muscles.
What is another term for deltoid?
deltoid, deltoid muscle, musculus deltoideusnoun. a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm. Synonyms: musculus deltoideus, deltoid.
What is the scapula function?
The scapula is an important bone in the function of the shoulder joint. It engages in 6 types of motion, which allow for full-functional upper extremity movement including protraction, retraction, elevation, depression, upward rotation, and downward rotation.
What is the acromion process of the scapula?
In human anatomy, the acromion (from Greek: akros, “highest”, ōmos, “shoulder”, plural: acromia) is a bony process on the scapula (shoulder blade). Together with the coracoid process it extends laterally over the shoulder joint. The acromion is a continuation of the scapular spine, and hooks over anteriorly.
Which of the following actions does the deltoid perform?
| Deltoid muscle | |
|---|---|
| Actions | shoulder abduction, flexion and extension |
| Antagonist | Latissimus dorsi |
| Identifiers | |
| Latin | Musculus deltoideus |
What exercise works the deltoids?
Popular Deltoid Strength-Training Exercises
- Barbell upright row.
- Battling ropes.
- Bent-arm lateral raise, great for the medial deltoids.
- Cable diagonal raises.
- Dips.
- Dumbbell front raise.
- Dumbbell shoulder press, tops in training for the anterior deltoids.
- Push-ups.
Where are the deltoids located?
The deltoid is a large muscle responsible for lifting the arm and giving the shoulder its range of motion. It is located in the uppermost part of the arm, at the shoulder. Tendons attach the deltoid to the collarbone, shoulder blade, and upper arm.
Where are your deltoids located?
The deltoid is a round muscle that goes around the top of your upper arm and shoulder. The main function of the deltoid is to help you lift and rotate your arm. There are three parts of the deltoid muscle that connect your collarbone, shoulder, and shoulder blade to your upper arm. The three parts are referred to as the anterior, middle, and back.
What is the origin of the deltoid?
The deltoid muscle was named after the Greek letter Delta due to the similar shape they both share. The deltoid muscle is constructed with three main sets of fibers: anterior, middle, and posterior. These fibers are connected by a very thick tendon and are anchored into a V-shaped channel.
What do deltoids do?
The deltoids are the thick strong muscles that form the rounded portion of your shoulders covering the joint between the humerus, or upper arm bone, and the scapula , or shoulder blade. The deltoids work with the rotator cuff muscles and the terres major to help move your arms in several directions.
