Deltoid Muscle Anatomy

The very broad origin of the deltoid actually means that functionally the muscle can be broken down into three separate parts. Its apex or insertion attaches to the lateral side of the body of the humerus on a point known as the deltoid tuberosity 2.

What Does The Deltoid Muscle Do Definition Function

The acromial middle part.

Deltoid muscle anatomy. The anterior lateral and posterior deltoid heads. The clavicular anterior part. Origin insertion function deltoid pain pain in the deltoid muscle can be caused by a contusion caused by a blunt injury muscle strain or tear or due to a nerve injury an injury of the brachial plexus or a spinal nerve compression due to a herniated disc in the neck.

This u shaped origin point mirrors the insertion point for the trapezius muscle. As mentioned earlier the deltoid muscle plays a large role in the gross movements. This is because the deltoids are what you would consider the major muscles of the shoulder anatomy.

This u shaped origin point mirrors the insertion point for the trapezius muscle. Its apex or insertion attaches to the lateral side of the body of the humerus on a point known as the deltoid tuberosity. The deltoid is attached by tendons to the skeleton at the clavicle collarbone scapula shoulder blade and humerus upper arm bone.

Each head of the deltoid has slightly different insertion points. The anterior or clavicular fibers arise from most of the anterior border and upper surface. The main muscle of the shoulder anatomy.

The deltoid muscle is a rounded triangular muscle located on the uppermost part of the arm and the top of the shoulder. The deltoid muscle origin attaches to the spine of the scapula and lateral third of the clavicle. Each deltoid muscle has three heads or distinct parts.

It is named after the greek letter delta which is shaped like an equilateral triangle. Its base or origin attaches to the spine of the scapula and lateral third of the clavicle. They are shown in the image below.

Conditions associated with the deltoid often are related to injury. Lateral or acromial fibers arise. Theyre the muscles you see when you roll up your t shirt sleeve or wear a wife beater.

Its located in an area thats crucial for movement regardless of the sport or exercisetoday we want to explain the anatomy as well as some strengthening exercises and stretches. The deltoid is a triangular muscle. Previous studies showed that the insertion of the intramuscular tendons of the deltoid muscle formed three discrete sets of muscle fibers often referred to as heads.

The deltoid muscle is one of the most important muscles for anyone who exercises. The spinal posterior part.

Deltoid Muscle Origin Insertion Action