Shoulder Pain Causes: Know The Reason
Shoulder Pain Causes: Know The Reason

The shoulder has a versatile and wide range of motion. When sometimes something goes wrong with the shoulder, it hampers your ability to move freely and then shoulder pain causes give a great deal of pain and discomfort. The shoulder is a ball-and-socket joint and it has three main bones: the humerus, the clavicle, and the scapula (it is also known as the shoulder blade). The outer edge of the scapula is a ball-shaped part of the humerus bone and then it is made of the glenohumeral joint.

The shoulder joint is a very important joint in the body because of the help of your shoulder forward and backward. 

The common causes of shoulder pain are soft tissues are injured, muscles are included, tenders, and the ligaments within these structures and this will occur from whiplash or another injury to the painting area. The degenerative arthritis of the spine in the neck or cervical spine can pinch the nerves and it can cause shoulder pain. Degenerative disc disease in the shoulder can cause local shoulder pain or radiating pain from disc herniation, causing pinching of nerves. Abnormal conditions involving the spinal cord, heart, lungs, and some abdominal organs also can cause shoulder pain.

Causes Of Shoulder Pain

Broken Collarbone:

Your collarbone to break for the cause of your outstretched arm falls and this is common for bicycles when they fall off their bicycles. 


A bursa is a sac over the joints to provide a relief sponge to the joints and muscles. The bursae can become painful, stiff, and swollen after injuries.

Heart attacks:

The problem is the heart and heart attacks can cause shoulder pain, known as referred pain.

Broken shoulder blade:

The injury to the shoulder blade is usually associated with relatively forceful trauma.

Rotator cuff injuries:

The shoulder depends on the group of tendons. During lifting tendons can be injured, when playing sports with a lot of throwing, or a long time repetitively used over. It can lead to pain with shoulder impingement syndrome and motion of the shoulder due to eventually to a chronic loss of range of motion of the shoulder or frozen shoulder.

A-C separation or Shoulder:

The ligaments connected with collarbone or clavicle and shoulder blade. These ligaments can be stretched or torn with trauma to the shoulder.

Whiplash injury:

The shoulder can be caused by sudden acceleration or deceleration, as in a car accident that Injured the ligamentous and muscular structures. It can also cause muscle spasms in the shoulder areas.


The bones connect with the tendons and muscles. The tendons can become swollen and cause pain with strain. This is also referred to as tendinitis.

Gallbladder disease:

The right shoulder can cause referred pain. The shoulder cause of inflammation under the diaphragm can also cause referred pain.

Rotator Cuff Disorders:

A rotator cuff is a group of muscles and tendons that help to hold the joint in place and move the shoulder. It is a disorder resulting from inflammation or damage to the rotator cuff muscles or tendons or inflammation of the subacromial bursa known as subacromial bursitis.

Caused by

  • It occurs with age that general wear and tear.
  • The activity that requires constant or repetitive shoulder that especially above shoulder level e.g swimming and painting.
  • Trauma and heavy lifting

Serious untreated inflammation and rotator cuff injury of the tendons can cause the rotator cuff to tear. 

The pain outside of the shoulder associated with rotator cuff problems is normally felt at the front or particularly when you raise your arm or lift something above your head. You particularly when lying on the affected side may also notice the pain more when lying in bed. Severe injuries can cause restricted shoulder movement and continuous pain and weakness of the shoulder muscles.

Rotator Cuff Tears:

Your rotator cuff is a group of muscles in the shoulder joint in place and helps move the shoulder and tendons. The 4 muscles and the tendons that make up the rotator cuff include:-

(i) Supraspinatus
(iii) Infraspinatus
(iii) Subscapularis
(iv) Teres Minor

It is usually the thick bands of tissue that connect the muscles to the bones that tear, but sometimes the tear occurs in the muscle and rotator cuff tendons. The most common site is the supraspinatus tendon of a tear. The tendons and muscles to tear of severe injuries can cause several. There are special movement tests that the muscles or tendons have been torn which your doctor can use to help determine. 

Frozen Shoulders:

Frozen shoulders are also known as Adhesive Capsulitis and it is characterized by stiffness and progressive pain in the shoulder and the pain is felt deep in the shoulder joint. The pain can be felt with stiffness and loss of shoulder movement develop and movement in any direction.

It sometimes develops following other shoulder injuries or shoulder surgery but the exact cause of this condition is not known. It is resting a painful, injured shoulder for too long can cause the shoulder muscles and connective structures to stiffen up. Frozen shoulders can also develop spontaneously, and people with thyroid problems or diabetes seem to be at increased risk.

Most people with frozen shoulders tend to improve, with or without treatment, but not all will regain a full range of movement and the improvement is gradual.

Dislocated Shoulder and Shoulder Instability:

When the ball-shaped head of your upper arm bone or humerus comes out of the shoulder socket then the Shoulder dislocation occurs. It may be caused by fall or sporting injury or trauma and it is a very painful condition. It may be swelling or bruising around the joint and a dislocated shoulder is visibly deformed or out of place, and. dislocated shoulder with shoulder movement is severely restricted in people. Beforehand can usually be given pain relief and sedation. The shoulder joint sometimes becomes unstable and susceptible to repeated dislocations and following a dislocation. It causes pain and unsteadiness when you raise your arm or move it away from your body this only happens for the conditions known as shoulder instability. When you lift your arm over your head then your shoulder may feel as if it is slipping out of place.

SLAP (Superior Labrum Anterior-Posterior):

Making the joint more stable helps to join the socket part of the shoulder joint that has a ring of tissue around it that deepens the socket. This tissue is called the labrum. The top part of the labrum is injured or torn, it is also called a SLAP tear. SLAP tears are usually although they may also arise from repeated lifting or other overhead activities or result of an injury such as a fall onto your shoulder or outstretched arm.

Symptoms of a SLAP tear can include pain on throwing or lifting your arms overhead, popping or clicking in the shoulder, a feeling of weakness or instability and a general shoulder.


Cartilage is a smooth and cushiony tissue that covers the ends of your bones where they meet in a joint and the healthy cartilage helps your joints move smoothly. The cartilage can become worn over time, or it may become damaged due to an accident and leading to the development of osteoarthritis or injury.

Inflammation of the Shoulder Capsule:

When your synovial membrane becomes inflamed that time it can occur as a result of another condition or it may happen as a result of an injury or the cause may be unknown. It is a condition that occurs when your shoulder capsule becomes inflamed and tight and thickens or may also be less synovial fluid to lubricate the joint. then the result your shoulder becomes difficult to move. If the shoulder has been immobilized or the cause may not be known that time Frozen shoulder may occur as a result of another condition.

Inflamed Bursa:

An inflamed bursa with pain associate is also common in the shoulder. A bursa is a small fluid-filled sac that reduces friction between bone, muscle, and tendons. In your shoulder, the bursa that sits between the rotator cuff tendon and the bony tip of the shoulder or acromion can become inflamed.

Injuries and Sprains:

Ligaments are soft tissues and connect bones to bones. It provides stability to your shoulder by keeping the bones where they are meant to be.  The short-term pain is produced when the ligaments are injured or sprained. This may be the result of the humerus coming partially out of the joint socket or if the humerus comes completely out.

The flexible tissue that helps keep your shoulder joint in place can become torn. This is called a labral tear. This can occur as a result of injury or repetitive actions. The acromioclavicular joint is sprained of a direct blow to your shoulder can result. This type of injury often occurs in people participating in contact sports such as football who take a blow to the shoulder and it can also occur as a result of a fall.
There are some other causes of the Shoulder Pain

(i) Arthritis
(ii) Torn Cartilage
(iii) Torn Rotator Cuff
(iv) Swollen Bursa Sacs or Tenders
(v) Bone Spurs
(vi) Pinched Nerve in the Shoulder
(vii) Broken Shoulder and Arm Bone
(viii) Injury due to overuse or repetitive use
(ix) Spinal Cord Injury
(x) Heart Attack
(xi) Referred pain
(xii) Neck and Upper back
(xiii) Injury to the Axillary Nerve


In this article, we can share with you the information about Causes of Shoulder Pain. Shoulder pain is a common and important problem for the person. Management should include self-help advice, analgesics, relative rest, and multidisciplinary and access to physiotherapy. Steroid injections have a marginal short term effect on pain.

Poorer prognosis is associated with severe or recurrent symptoms at presentation, increasing age, and associated shoulder pain.   Information about a therapy, service, product or treatment does not in any way endorse or support such therapy, service, product or treatment and is not intended to replace advice from your doctor or other registered health professional.

Mild trauma or overuse before the onset of pain, early presentation, and acute onset have a more favorable prognosis, No evidence exists to show that early orthopedic intervention improves the prognosis for most rotator cuff or glenohumeral disorders. Surgery should be considered when conservative measures fail.

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