Sports Med Shoulder

What are the three bones that form the shoulder structure?

Humerus, Clavicle, Scapula

What is the primary action of the Sternocleidomastoid muscle?

Flexion and rotation of the neck

What color is the Pectoralis Major muscle labeled?

Blue

What is the action of the Pectoralis Minor muscle?

Stabilizes the scapula

What is the primary action of the Deltoid muscle?

Arm abduction

What is the action of the Serratus Anterior muscle?

Protracts and stabilizes the scapula

What are the four muscles of the rotator cuff?

Supraspinatus, Infraspinatus, Teres Minor, Subscapularis

What is the primary action of the Supraspinatus muscle?

Arm abduction

What is the function of the Infraspinatus muscle?

External rotation of the arm

What is the primary action of the Teres Major muscle?

Arm extension and adduction

What is the action of the Latissimus Dorsi muscle?

Arm extension, adduction, and internal rotation

What is the function of the Trapezius muscle?

Stabilizes and moves the scapula

What are the three joints of the shoulder girdle?

Glenohumeral joint, Acromioclavicular joint, Sternoclavicular joint

What is the Glenohumeral joint?

Ball and socket articulation of the humerus and scapula

What is the Acromioclavicular joint?

Articulation of the scapula and clavicle

What is the Sternoclavicular joint?

Articulation of the clavicle and sternum

What is Impingement Syndrome?

A narrowing of the space between the humeral head and acromion causing pain and weakness

What are common signs of Impingement Syndrome?

Pain in the glenohumeral area, weakness with active abduction, limited internal rotation

What is the treatment for Impingement Syndrome?

RICE, NSAIDs, stretching, strengthening exercises, cortisone injections, surgery

What is a shoulder dislocation?

A traumatic injury where the head of the humerus is dislocated from the glenoid fossa

What are common signs of a shoulder dislocation?

Extreme pain and visible deformity

What is the typical treatment for a shoulder dislocation?

Relocation, sling for 8 weeks, possible labral repair

What is the role of the Coracohumeral ligament?

Attaches the scapula to the humerus

What is the function of the Coracoacromial ligament?

Attaches the coracoid process to the acromion

What is the action of the Teres Minor muscle?

External rotation of the arm

What is the primary action of the Subscapularis muscle?

Internal rotation of the arm