Deltoid Muscle Anatomy

The clavicular anterior part. The main muscle of the shoulder anatomy.

Deltoid Muscle Anatomy Innervation Origin Insertion

The deltoid muscle origin attaches to the spine of the scapula and lateral third of the clavicle.

Deltoid muscle anatomy. The spinal posterior part. This is because the deltoids are what you would consider the major muscles of the shoulder anatomy. The very broad origin of the deltoid actually means that functionally the muscle can be broken down into three separate parts.

Each head of the deltoid has slightly different insertion points. The deltoid muscle is a rounded triangular muscle located on the uppermost part of the arm and the top of the shoulder. Lateral or acromial fibers arise.

This u shaped origin point mirrors the insertion point for the trapezius muscle. Its base or origin attaches to the spine of the scapula and lateral third of the clavicle. Theyre the muscles you see when you roll up your t shirt sleeve or wear a wife beater.

The anterior lateral and posterior deltoid heads. 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. The anterior or clavicular fibers arise from most of the anterior border and upper surface.

They are shown in the image below. Each deltoid muscle has three heads or distinct parts. 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.

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. It is named after the greek letter delta which is shaped like an equilateral triangle.

The deltoid is a triangular muscle. Conditions associated with the deltoid often are related to injury. 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.

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 2. The deltoid muscle is one of the most important muscles for anyone who exercises.

The acromial middle part. As mentioned earlier the deltoid muscle plays a large role in the gross movements.

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