What is the Scapulothoracic articulation?

The scapulothoracic joint is not a true synovial joint. Rather, the scapulothoracic articulation is formed by the convex surface of the posterior thoracic cage and the concave surface of the anterior scapula. It is attached to the axial skeleton through the acromioclavicular joint and the sternoclavicular joint.

What is Scapulothoracic movement?

The scapulothoracic motion interface is the site of movement between the scapula (shoulder blade) and the thorax (chest wall). The scapula moves around the chest in many daily and athletic activities. This motion does not take place between layers of muscles which separate the scapula from the ribs.

What is the function of scapulothoracic joint?

The scapulothoracic joint allows for the complex scapular movements in relation to the thoracic cage: elevation and depression, protraction and retraction, and medial and lateral rotation.

Where is Scapulothoracic?

The scapulothoracic bursa, the bursa between your scapula and chest wall, serves an important role within the shoulder joint by allowing smooth, pain-free movement of the scapula against the ribcage.

What controls the scapulothoracic joint?

The innervation of the scapulothoracic junction refers to the nerves that supply the main muscles of the scapulothoracic motion; Accessory nerve (CN XI) for the trapezius muscle. Long thoracic nerve for the serratus anterior muscle. Dorsal scapular nerve for the levator scapulae and rhomboids.

What are the Scapulothoracic muscles?

It is generally known that the scapulothoracic muscles, including the trapezius, serratus anterior, levator scapulae, rhomboid major, and pectoralis minor, play a crucial role in providing mobility and stability of the scapula during movements of the humerus.

How does the scapulothoracic joint move?

The motion is described similar to upward rotation, except that the clavicle depresses at the SC joint and the scapula downwardly rotates at the AC joint. The motion of downward rotation usually ends when the scapula has returned to its anatomic position.

What controls the Scapulothoracic joint?

What causes Scapulothoracic syndrome?

The causes of scapulothoracic bursitis and crepitus include direct or indirect trauma, overuse syndromes, glenohumeral joint dysfunction, osseous abnormalities, muscle atrophy or fibrosis, and idiopathic causes.

What muscles stabilize the scapulothoracic joint?

Scapulothoracic joint stability Such muscles to consider are the serratus anterior, serratus posterior, the trapezius (upper / middle / lower), the rhomboids, teres major, the levator scapulae, the latissimus dorsi and the flexibility and mobility of the thoracolumbar fascia.

What is Scapulothoracic bursitis?

Scapulothoracic bursitis refers to inflammation of the bursae secondary to trauma or overuse owing to sports activities or work. Scapulothoracic crepitus is defined by a grinding, popping, or thumping sound or sensation secondary to abnormal scapulothoracic motion.

Can snapping scapula be cured?

The snapping returns because the ligaments that attach the ribs to the vertebrae (costovertebral ligaments) remain injured. Prolotherapy treatments to these ligaments that are causing the snapping scapula syndrome can cure the condition.

Is the scapulothoracic joint a true anatomic joint?

The Scapulothoracic (ST) “joint” is not a true anatomic joint as it has none of the usual joint characteristics (union by fibrous, cartilaginous, or synovial tissues). It is an articulation of the scapula with the thorax which depends on the integrity of the anatomic Acromioclavicular (AC)and Sternoclavicular (SC)joints.

Which is an articulation of the scapula with the thorax?

It is an articulation of the scapula with the thorax which depends on the integrity of the anatomic Acromioclavicular (AC) and Sternoclavicular (SC) joints.

What are the functions of the scapula joint?

Functions of Scapulothoracic Joint 1 Scapulothoracic joint assists in the movement of shoulder blade (Scapula) along with thoracic rib cage. 2 Scapulothoracic joint maintain the balance between extension and tension of glenohumeral muscles. 3 It protects impingement between upper arm bone and acromion.

Why is the scapulothoracic joint so important to kinesiology?

Movements of scapulothoracic joint are a very important element of shoulder kinesiology. The wide range of motion available to the shoulder joint is due to the large movement available at ST joint. Observation and measurement of individual SC and AC joint motions are more difficult than observing or measuring motions of scapula on the thorax.