Anatomy Of Upper Back Muscles

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Thoracic spine anatomy and upper back pain the thoracic spine is the longest region of the spine and by some measures it is also the most complex. These important muscles control many motions that involve moving the arms and head such as throwing a ball looking up at the sky and raising your hand.

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The trapezius and latissimus dorsi muscles connect the upper limb to the vertebral column.

Anatomy of upper back muscles. The surface muscles of the upper back include the trapezius muscles traps and posterior deltoids. The superficial back muscles are the muscles found just under the skin. The deep or intrinsic muscles of the back extend from the pelvis to the skull and are innervated by segmental branches of the posterior rami of spinal nerves.

The superficial back muscles are situated underneath the skin and superficial fascia. The muscles in this group are the trapezius latissimus dorsi levator scapulae and the rhomboids. Anatomy chart courtesy of fcit.

Both the deltoid and the trapezius are firmly attached to the spine of the scapula. Anatomy of the upper back. They originate from the vertebral column and attach to the bones of the shoulder the clavicle scapula and humerus.

They include the trapezius latissimus dorsi levator scapulae and the rhomboids. The teres major muscle originates on the outer lateral edge of the scapula and attaches to the humerus. The rhomboid muscle is activated as you bring and squeeze your scapula or shoulder blades back and together.

Superficial extrinsic muscles connect your upper extremities to the trunk and they form the v shaped musculature associated with the middle and upper back. The mid back muscles include the latissimi dorsi lats rhomboids and teres major. The splenius capitis and cervicis spinotransversales muscles.

It is the only spinal region attached to the rib cage. The extensors and rotators of the head and neck. The muscles of the chest and upper back occupy the thoracic region of the body inferior to the neck and superior to the abdominal region and include the muscles of the shoulders.

These muscles are able to move the upper limb as they originate at the vertebral column and insert onto either the clavicle scapula or humerus. These muscles give height and breadth to back development. The upper back is a complex area containing a number of muscles that perform various actions on the scapulae shoulder blades and humerus.

Within this group of back muscles you will find the latissimus dorsi the trapezius levator scapulae and the rhomboids. Connecting with the cervical spine above and the lumbar spine below the thoracic spine runs from the base of the neck down to the abdomen. They originate from the vertebrae and insert into the scapulae.

This muscle is located on the upper portion of the back anatomy underneath the trapezius. All these muscles are therefore associated with movements of the upper limb.

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