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
Anconeus
attachments- from posterior lateral epicondyle of humerus to lateral olecranon and shaft of ulna
Brachioradialis
attachments- from the lateral supracondylar ridge of the humerus to the distal radius adjacent to the styloid process
Extensor carpi radialis brevis
attachments- from the lateral epicondyle of the humerus (common extensor origin) to the base of the 3rd metacarpal
Extensor carpi radialis longus
attachments- from the lateral supracondylar ridge of the humerus to the base of the 2nd metacarpal
Extensor carpi ulnaris
attachments- from the lateral epicondyle of the humerus (common extensor origin) to the base of the 5th metacarpal
Extensor digitorum
attachments- from the lateral epicondyle of the humerus (common extensor origin) to the extensor expansions of digits 2-5 a.
Extensor digiti minimi
attachments- from the lateral epicondyle of the humerus (common extensor origin) to the digital expansion of the 5th digit
Extensor indicis
attachments- from the posterior surface of the ulna & interosseous membrane to the digital expansion of the 2nd digit
Extensor pollicis brevis
attachments- from the posterior radial surface & interosseous membrane to the base of the 1st proximal phalanx
Extensor pollicis longus
attachments- from the middle 1/3rd of the posterior surface of the ulna & interosseous membrane to the base of the 1st distal phalanx
Flexor carpi radialis
attachments- from the medial epicondyle (common flexor origin) to the palmar aspect of the bases of the 2nd & 3rd metacarpals
Flexor carpi ulnaris
attachments- from the medial epicondyle (common flexor origin) of the humerus and proximal ulnar shaft to the pisiform
Flexor digitorum profundus
attachments- from the anterior proximal 2/3rds of the ulna & interosseous membrane to the base of the distal phalanges of digits 2-5
Flexor digitorum superficialis
attachments- from the medial epicondyle (common flexor origin) of the humerus to the sides of the middle phalanges of digits 2-5
Flexor pollicis longus
attachments- from the anterior surface of the radius & interosseous membrane to the the base of the distal phalanx of the thumb
Palmaris longus
attachments- from the medial epicondyle of the humerus (common flexor origin) to the palmar aponeurosis
Pronator quadratus
attachments- from the anterior surface of the distal radius to the anterior surface of the distal ulna
Pronator teres
attachments- from the medial epicondyle & ulnar coronoid process to lateral aspect of the radius
Supinator
attachments- from the lateral epicondyle of the humerus, radial collateral ligament & shaft (supinator crest) of the ulna to the lateral surface of the proximal radius
Abductor digit minimi (C8-T1)
attachments- from the pisiform to the ulnar side of the base of the 5th digit
Abductor pollicis brevis (C8-T1)
attachments- from the flexor retinaculum to the radial side of the base of the proximal phalanx of the thumb
Adductor pollicis (C8-T1)
attachments- from the capitate & 2nd & 3rd metacarpals (oblique head) and the palmar aspect of the 3rd metacarpal to the base of the proximal phalanx of the thumb
Dorsal interossei (C8-T1)
attachments- from the adjacent sides of the metacarpals to the proximal phalangeal bases and dorsal digital expansions of digits 2-4
Flexor digiti minimi brevis (C8-T1)
attachments- from the hamate to the ulnar side of the base of the proximal phalanx of the 5th digit
Flexor pollicis brevis (C8-T1)
attachments- from the flexor retinaculum & trapezium to the radial side of the base of the proximal phalanx of the thumb
Lumbricals (C8-T1)
attachments- from the tendons of the flexor digitorum profundus to the radial side of the dorsal digital expansions of digits 2-5
Opponens digiti minimi (C8-T1)
attachments- from the hook of the hamate to the ulnar margin of the shaft of the 5th metacarpal
Opponens pollicis (C8-T1)
attachments- from the flexor retinaculum & trapezium to the palmar surface of the 1st metacarpal
Palmar interossei (C8-T1)
attachments- from the palmar aspects of metacarpals 2, 4 & 5 to the dorsal digital expansions of digits 2, 4 & 5
