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Shoulder Anatomy Explained

Shoulder Anatomy Explained

Very frequently in practice I see patients who come into the office complaining of “ pain in my shoulders” when they are in fact referring to the upper thoracic and lower cervical regions instead of the shoulder joint.

This is a simplified shoulder anatomy description so you can better understand the shoulder structure and be able to differentiate pain in that region with other kind of pain.

Main Shoulder Bones and Joints

The three main bones that make up the shoulder joint are the humerus, the scapula and the clavicle.

Shoulder Anatomy

The Four Shoulder Joints 

1. Glenohumeral joint– Composed of the glenoid (the articulating surface of the scapula) and the head of the humerus
2. Sternoclavicular joint– The medial end of the clavicle and its attachment on the sternum
3. Acromioclavicular joint– Formed by the lateral edge of the clavicle with the acromion process of the scapula
4. Scapulothoracic joint– articulation of the scapula with the posterior thoracic wall

Shoulder Anatomy Shoulder Joints

Shoulder Ligaments/Tendons

Ligaments serve to connect the bones of the shoulder to one another. They are referred to as passive stabilizers, functioning even without the muscles to keep the joint intact.

Shoulder Anatomy Ligaments Tendons

Tendons are located around the shoulder joint and connect muscles to bone to allow for movement. Their placement serves to further stabilize the joint. Because they are connected to the muscles, tendons stabilize the joint actively (as compared to what the ligaments do passively) when the muscles contract.

Shoulder Muscles 

The rotator cuff is composed of four small, short muscles that start from the scapula working their way around the shoulder where their tendons merge and attach on the humerus. These muscles are also called “SITS” muscles:

1. Supraspinatus
2. Infraspinatus
3. Teres minor
4. Subscapularis

Shoulder Anatomy Muscles

These muscles have two main functions:

1. Stabilize the joint and center the humeral head in the glenoid fossa amid all motion.
2. Control rotation of the shoulder and allow for complex movements.

According to the Centers for Disease Control and Prevention (CDC), about 13.7 million people in the US required medical treatment for shoulder pain in 2003. The incidence of shoulder pain increases with age. Rotator cuff problems, for example, are more common in people age 60 years and above.

Besides neck and back pain, chiropractors can evaluate and treat some of the common shoulder conditions or will refer to other specialists like orthopedic physicians if necessary.

If you think you may be dealing with a shoulder condition, give us a call—we might be able to help.

Dr. Allamm Morales, M.D.

Dr. Allamm Morales has over 15 years experience in personal injury and a wide range of neurological disorders. He has privilege, and provides patient care in local Baptist hospitals.

He was Chief Resident at the Neurology Residency Program of the University of South Florida, and worked at the Florida Hospital of New Smyrna, and St. Luke Hospital in Ponce, Puerto Rico. He also served many years with the Florida Neurology Institute, Inc.

Dr. Morales is a Diplomate of the American Board of Vascular Neurology, and a Diplomate of the American Board of Psychiatry and Neurology.

Dr. Morales studied in Nova Southeastern University, Davie, FL, had residency at the Caibarien General Hospital, Cuba, and obtained the MD degree at the Superior Institute of Medical Science in Cuba.

Fiaz Jaleel, M.D.
Physical Medicine & Rehab, Pain Management

“Life is short and precious. As a Physiatrist and Pain Physician my goal for my patients is to reduce their pain and suffering, enhance form, improve function and ultimately promote the best quality of life for that individual.”

Dr. Fiaz Jaleel graduated from the University of The West Indies in 1987. He completed a two year internship at Port of Spain General Hospital in Trinidad and Tobago. He completed his internship in Internal Medicine at St. Francis Hospital in Evanston, IL and went on to do a residency in Physical Medicine and Rehabilitation at Barnes Jewish Hospital in St. Louis , MO. In 2007, Dr. Jaleel joined the team at Absolute Injury and Pain Physicians as Medical Director. He is currently Board Certified in Physical Medicine and Rehabilitation as well as Pain Medicine via the American Board of Pain Medicine.

In Trinidad and Tobago, Dr. Jaleel held positions as an Intern, House officer, and District Medical Officer. He has also practiced in Illinois, Missouri, South Dakota and Central and North Florida.

While practicing in Trinidad , Dr. Jaleel also worked in Internal Medicine, General Surgery, Pediatrics, Neonatology, Obstetrics and Gynecology, Ear, Nose and Throat Surgery, Ophthalmology, Radiology, Neurosurgery, Plastic Surgery, Orthopedics, Emergency Medicine and Community Medicine.

Dr. Jaleel has encountered many diseases, disorders and clinical situations related to multiple aspects of trauma including penetrating and non-penetrating injuries, motor vehicular accidents and concomitant injuries including intra-abdominal injuries, closed head injuries, fractures and burns.

When not treating his patients, Dr. Jaleel enjoys travelling, reading and spending time with friends and family.

Dr. Jaleel has the following affiliations:
Diplomate, American Board of Physical Medicine and Rehabilitation
Diplomate, American Board of Pain Medicine
Fellow, American Academy of Physical Medicine and Rehabilitation
Member, American Academy of Pain Medicine
Member, Florida Society of Physical Medicine and Rehabilitation
Member, Florida Academy of Pain Medicine
Member, Florida Medical Association

Deric L. D’Agostino, D.C.
Chiropractic Physician

“The health of a body is in direct proportion to the health of its nervous system. The nervous system controls every cell, tissue and organ in your body, tap into that and “miracles” will most certainly happen!”

Dr. Deric D’Agostino attended the Logan College of Chiropractic and has been helping patients at Absolute Injury and Pain Physicians for the past nine years. Around here we call him “Dr. D.”

Dr. D’Agostino specializes in Koren Specific Technique and in the treatment of injuries resulting from motor vehicle accidents. He is a master of his craft and firmly believes that chiropractic treatment can not only help the body but also the mind. His sense of humor and the personal attention that he provides really puts patients at ease.

Dr. D’Agostino genuinely listens to the patient while working very hard to erase their pain-inducing symptoms. He is always seeking out continuing education and new methodology to add to his care repertoire.

When he is not helping patients find relief, Dr. D’Agostino enjoys training for sprint triathlons, gardening, as well as being an awesome father and husband. You will most likely find him at our Arlington location dawning a huge smile while drinking his homemade juice.