UE Muscles - Attachments Flashcards
Latissimus dorsi
attachments- from lower thoracic spinous processes, thoracolumbar fascia & iliac crest to the medial lip of the intertubercular sulcus of the humerus
Levator scapulae (C4-5)
attachments- from the upper cervical transverse processes to the superior angle of scapula
Pectoralis major
attachments- from clavicle, costal cartilages, sternum to the lateral lip of the intertubercular sulcus of the humerus
Pectoralis minor
attachments- from ribs 3-5 to the coracoid process of the scapula
Rhomboids (C4-5)
attachments- from the lower cervical & upper thoracic spinous processes to the medial border of the scapula
Serratus anterior (C5-7)
attachments- from the upper 8-10 ribs to the deep, medial border of the scapula
Subclavius
attachments- from 1st rib & costal cartilage to inferior middle third of clavicle
Trapezius
attachments- from the superior nuchal line, external occipital protuberance, ligamentum nuchae, & cervical & thoracic spinous processes to the clavicle, acromion & scapular spine
Deltoid (C5-6)
attachments- from the clavicle, acromion & spine of the scapula to the deltoid tuberosity of the humerus
Subscapularis
attachments- from the subscapular fossa to the lesser tubercle of the humerus
Supraspinatus
attachments- from the supraspinous fossa to the greater tubercle of the humerus
Teres major
attachments- from the inferior angle of the scapula to the medial lip of the intertubercular sulcus of the humerus
Infraspinatus (C5-6)
attachments- from the infraspinous fossa to the greater tubercle of the humerus
Teres minor (C5-6)
attachments- from the lateral border of the scapula to the greater tubercle of the humerus
Biceps Brachii (C5, 6)
attachments- from coracoid process (short head) and supraglenoid tubercle (long head) of the scapula to the radial tuberosity & the deep antebrachial fascia (through the bicipital aponeurosis)
Brachialis
attachments- from the distal anterior shaft of the humerus to the coronoid process & ulnar tuberosity
Coracobrachialis
attachments- from the coracoid process to the proximal medial shaft of the humerus
Triceps (C7,8)
attachments- from the infraglenoid tubercle of the scapula (long head), & proximal posterolateral (lateral head) & distal posteromedial (medial) shaft of the humerus to the olecranon process of the ulna
Abductor pollicis longus
attachments- from proximal posterior radius, ulna & interosseous membrane to the anterior base of the 1st metacarpal & trapezium