deltoid in a sentence

Definition

Deltoid refers to the triangular-shaped muscle located on the upper arm and shoulder, responsible for arm movement and stability.

The deltoid muscle is crucial for shoulder mobility and strength.
During my workout, I could really feel the burn in my deltoid as I lifted the weights.
In anatomy class, we studied the structure and function of the deltoid in detail.
A strong deltoid can help improve overall upper body performance in sports.
Physical therapists often focus on strengthening the deltoid after shoulder injuries.