top of page
  • Writer's pictureJANMI

Unveiling the Deltoid Muscle: Insights from JANMI

Deltoid injury in the gym

Dear Health Enthusiasts and Curious Readers,

From the heart of Marylebone where JANMI stands as a beacon of holistic well-being, I share with you today the fascinating aspects of one of our body's pivotal muscles - the deltoid.

Exploring the Deltoid Muscle

The deltoid muscle, a triangular muscle covering the shoulder joint, is integral to the range of motion of our arms. Understanding its functions is key to appreciating how our bodies perform various activities.

The Multifaceted Functions of the Deltoid

This muscle, named for its Greek letter 'delta' resemblance, is responsible for lifting the arm and giving the shoulder its range of motion. Comprised of three distinct sections - anterior, lateral, and posterior - each part of the deltoid muscle plays a specific role in arm movement.

A Brief Note on the Deltoid

The anterior deltoid assists in raising the arm forward, the lateral deltoid lifts it out to the side, and the posterior deltoid pulls it backward. This coordination allows for complex movements, from lifting objects to performing athletic activities.


As we delve into the anatomy of our bodies, understanding the function of the deltoid muscle highlights the intricate design and capabilities we possess. At JANMI, we encourage everyone to appreciate and care for every muscle, including the deltoid, for optimal health and well-being.

Best regards,

Paulius Jurasius

Founder, JANMI

5 views0 comments


bottom of page