Definition, Meaning & Synonyms
deltoid
noun
/ˈdɛl.tɔɪd/
Definition
A large, triangular muscle covering the shoulder, responsible for lifting the arm and giving the shoulder its rounded shape.
Examples
- The deltoid muscle is essential for shoulder flexibility.
- In weightlifting, exercises like shoulder presses target the deltoid.
- An injury to the deltoid can hinder arm movement.
Meaning
The term ‘deltoid’ refers to both the muscle and the shape it resembles, which is a triangle or a Greek letter delta (Δ). In anatomy, it is crucial for arm movement.
Synonyms
- Shoulder muscle
- Deltoid muscle
