Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content +++ Anatomy Overview ++ Table Graphic Jump Location|Download (.pdf)|Print MUSCLE ACTIONS OF THE GLENOHUMERAL JOINT TABLE KEY: Primary movers Secondary movers Sagittal Plane Flexion Extension Deltoid (anterior) Pectoralis major (clavicular head) Biceps brachii Coracobrachialis Deltoid (posterior) Latissimus dorsi Triceps brachii (long head) Pectoralis major (sternal head) Teres major Frontal Plane Abduction Adduction Supraspinatus Deltoid (middle) Pectoralis major Latissimus dorsi Teres major Coracobrachialis Transverse Plane Medial rotation Lateral rotation Pectoralis major Subscapularis Teres major Latissimus dorsi Deltoid (anterior) Infraspinatus Teres minor Deltoid (posterior) ++ Table Graphic Jump Location|Download (.pdf)|Print MUSCLE ACTIONS OF THE SCAPULOTHORACIC JOINT TABLE KEY: Primary movers Secondary movers Protraction Retraction Serratus anterior Pectoralis major Pectoralis minor Middle trapezius Rhomboids Elevation Depression Upper trapezius Levator scapulae Rhomboids Lower trapezius Latissimus dorsi Pectoralis minor Upward rotation Downward rotation Serratus anterior Upper trapezius Lower trapezius Rhomboids Latissimus dorsi Levator scapulae Pectoralis minor ++ Table Graphic Jump Location|Download (.pdf)|Print SHOULDER MUSCLE ATTACHMENTS Muscles Proximal Attachment Distal Attachment Pectoralis major Clavicular head: anterior surface of medial half of clavicle Sternocostal head: anterior surface of sternum, superior six costal cartilages, aponeurosis of external oblique muscle Lateral lip of intertubercular (bicipital) groove and crest of greater tubercle of humerus Pectoralis minor 3rd–5th ribs near their costal cartilages Medial border and superior surface of coracoid process of scapula Serratus anterior External surfaces of lateral parts of 1st–8th ribs Anterior surface of medial border of scapula Trapezius Medial third of superior nuchal line, external occipital protuberance, nuchal ligament, spinous processes of C7–T12 vertebrae Lateral third of clavicle, acromion, and spine of scapula. Latissimus dorsi Spinous processes of inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest, and inferior 3 or 4 ribs Floor of intertubercular sulcus of humerus Levator scapulae Transverse processes of C1–C4 vertebrae Superior aspect of medial border of the scapula Rhomboid minor Nuchal ligament; spinous processes of C7 and T1 vertebrae Smooth triangular area at medial end of scapular spine Rhomboid major Spinous processes of T2–T5 vertebrae Medial border of scapula from level of spine to inferior angle Deltoid Lateral 1/3 of clavicle; acromion and spine of scapula Deltoid tuberosity of humerus Supraspinatus Supraspinous fossa of scapula Superior facet of greater tubercle of humerus Infraspinatus Infraspinous fossa of scapula Middle facet of greater tubercle of humerus Teres minor Middle aspect of lateral border of scapula Inferior facet of greater tubercle of humerus Teres major Posterior surface of inferior angle of scapula Medial lip of intertubercular (bicipital) groove of humerus Subscapularis Subscapular fossa (most of anterior surface of scapula) Lesser tubercle of humerus Biceps brachii Short head: tip of coracoid process of scapula Long head: supraglenoid tubercle of scapula Tuberosity of radius Coracobrachialis Tip of coracoid process of scapula Middle third of medial surface of humerus Triceps brachii Long head: infraglenoid tubercle of scapula Proximal end of olecranon of ulna +++ Introduction ++ The shoulder complex, composed of the ... Your Access profile is currently affiliated with [InstitutionA] and is in the process of switching affiliations to [InstitutionB]. Please select how you would like to proceed. Keep the current affiliation with [InstitutionA] and continue with the Access profile sign in process Switch affiliation to [InstitutionB] and continue with the Access profile sign in process Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Error: Incorrect UserName or Password Username Error: Please enter User Name Password Error: Please enter Password Sign in Forgot Password? Forgot Username? Sign in via OpenAthens Sign in via Shibboleth You already have access! Please proceed to your institution's subscription. Create a free profile for additional features.