Exam 2 Muscle attachments Flashcards
What are the attachments for the Tricep Brachii? (Long, Lateral, and Medial head)
(Proximal attachment
Long head: Infraglenoid tubercle of scapula.
Lateral head: posterior surface of humerus, SUPERIOR to radial groove.
Medial head: Posterior surface of humerus, INFERIOR to radial groove.
(Distal attachment)
Proximal end of olecranon of ulna and fascia of forearm
What are the attachments for Anconeus?
(Proximal attachment)
Lateral epicondyle of humerus
(Distal attachment)
Lateral surface of olecranon and superior part of posterior surface of ulna
What are the attachments for the Bicep Brachii? (Long and Short head)
(Proximal attachment)
Long head: Supraglenoid Tubercle of scapula
Short head: Coracoid Process of scapula
(Distal attachment)
Radial tuberosity and bicipital aponeurosis
What are the attachments for coracobrachialis?
(Proximal attachment)
Coracoid Process of scapula
(Distal attachment)
Middle third of medial surface of humerus
What are the attachments for Brachialis?
(Proximal attachment)
Distal half of anterior surface of humerus
(Distal attachment)
Coronoid process and tuberosity of ulna
What are the attachments for the Trapezius?
(Proximal attachment)
Medial third of superior nuchal line;
External occipital protuberance;
Nuchal ligament:
Spinous process of of C7-T12
(Distal attachment)
Lateral third of clavicle;
Acromion;
Spine of scapula
What are the attachments for the Latissimus Dorsi?
(Proximal attachment)
Spinous process of inferior 6 thoracic vertebrae;
Thoracodorsal fascia;
Iliac crest;
Inferior 3 to 4 ribs;
Inferior angle of scapula
(Distal attachment)
Floor of intertubercular sulcus of humerus
What are the attachments for the Levator scapulae?
(Proximal attachment)
Posterior tubercles of transverse processes of C1-C4 vertebrae
(Distal attachment)
Medial border of scapula superior to root of scapular spine
What are the attachments for the Rhomboid Major?
(Proximal attachment)
Spinous processes of T2-T5
(Distal attachment)
Medial border of scapula from level of spine to inferior angle
What are the attachments for the Rhomboid Minor?
(Proximal attachment)
Nuchal Ligament;
Spinous process of C7-T1
(Distal attachment)
Smooth triangular area at medial end of scapular spine
What are the attachments for the Pectoralis Major?
(Proximal attachment)
Clavicular head: Anterior surface of medial half of clavicle
Sternocostal head: Anterior surface of sternum;
Superior six costal cartilages;
Aponeurosis of external oblique muscle
(Distal attachment)
Lateral lip of intertubercular sulcus of humerus
What are the attachments for the Pectoralis Minor?
(Proximal attachment)
3rd-5th ribs near their costal cartilages
(Distal attachment)
Medial border and superior surface of coracoid process of scapula
What are the attachments for the subclavius?
(Proximal attachment)
Junction of 1st rib and its costal cartilages
(Distal attachment)
Inferior surface of middle third of clavicle
What are the attachments for the Serratus Anterior?
(Proximal attachment)
External surfaces of lateral parts of 1st-8th ribs
(Distal attachment)
Anterior surface of media border of scapula
What are the attachments for the Deltoid?
(Proximal attachment)
Lateral 1/3 of clavicle;
Acromion;
Spine of scapula
(Distal attachment)
Deltoid tuberosity
What are the attachments for the Supraspinatus?
(Proximal attachment)
Supraspinous fossa of scapula
(Distal attachment)
superior facet of greater tubercle of humerus
What are the attachments for the infraspinatus?
(Proximal attachment)
Infraspinous fossa of scapula
(Distal attachment)
Middle facet of greater tubercle
What are the attachments for the Teres Minor?
(Proximal attachment)
Middle part of lateral border of scapula
(Distal attachment)
Inferior facet of greater tubercle
What are the attachments for the Teres Major?
(Proximal attachment)
Posterior surface of inferior angle of scapula
(Distal attachment)
Medial lip of intertubercular sulcus of humerus
What are the attachments for the Subscapularis?
(Proximal attachment)
Subscapular fossa
(Distal attachment)
Lesser tubercle of humerus
What are the attachments for the Pronator Teres?
(Proximal attachment)
Coronoid process;
Medial epicondyle of humerus (Common Flexor Tendon)
(Distal attachment)
Middle of convexity of lateral surface of radius
What are the attachments for the Flexor carpi Radialis?
(Proximal attachment)
Medial epicondyle of humerus (Common Flexor Tendon)
(Distal attachment)
Base of 2nd metacarpal
What are the attachments for the Palmaris Longus?
(Proximal attachment)
Medial epicondyle of humerus
(Common Flexor Tendon)
(Distal attachment)
Distal half of flexor retinaculum and apex of palmar aponeurosis
What are the attachments for the Flexor carpi Ulnaris?
(Proximal attachment)
Medial epicondyle of humerus (Common Flexor Tendon);
Olecranon and posterior border of ulna (via aponeurosis)
(Distal attachment)
Pisiform;
Hook of hamate;
Base of 5th metacarpal
What are the attachments for the Flexor Digitorum Superficialis?
(Proximal attachment)
Humero-ulnar head: Medial epicondyle (Common Flexor origin and coronoid process)
Radial head: Superior half of anterior border
(Distal attachment)
Shafts of middle phalanges of medial four digits
What are the attachments for the Flexor Digitorum Profundus?
(Proximal attachment)
Medial part and Lateral part: Proximal three quarters of medial and anterior surface of the ulna and interossesous membrane
(Distal attachment)
Medial part: Bases of distal phalanges of 4th and 5th digits
Lateral part: Bases of distal phalanges of 2nd and 3rd digits
What are the attachments for the Flexor Pollicis Longus?
(Proximal attachment)
Anterior surface of radius and adjacent interosseous membrane
(Distal attachment)
Base of distal phalanx of thumb
What are the attachments for the Pronator Quadratus?
(Proximal attachment)
Distal quarter of anterior surface of ulna
(Distal attachment)
Distal quarter of anterior surface of radius
What are the attachments for the Brachioradialis?
(Proximal attachment)
Proximal two-thirds of supra-epicondylar ridge of humerus
(Distal attachment)
Lateral surface of distal end of radius proximal to styloid process
What are the attachments for the Extensor carpi Radialis Longus?
(Proximal attachment)
Lateral supra-epicondylar ridge of humerus
(Distal attachment)
Dorsal aspect of base of 2nd metacarpal
What are the attachments for the Extensor carpi Radialis Brevis?
(Proximal attachment)
Lateral epicondyle (Common Extensor Origin)
(Distal attachment)
Dorsal aspect of base of 3rd metacarpal
What are the attachments for the Extensor Digitorum?
(Proximal attachment)
Lateral epicondyle (Common Extensor Origin)
(Distal attachment)
Extensor expansions of medial four digits
What are the attachments for the Extensor Digiti Minimi?
(Proximal attachment)
Lateral epicondyle (Common Extensor Origin)
(Distal attachment)
Extensor expansion of 5th digit
What are the attachments for the Extensor carpi Ulnaris?
(Proximal attachment)
Lateral epicondyle of humerus;
Posterior border of ulna via shared aponeurosis
(Distal attachment)
Dorsal aspect of base of 5th metacarpal
What are the attachments for the Supinator?
(Proximal attachment)
Lateral epicondyle of humerus;
Radial collateral and anular ligaments;
Supinator fossa;
Crest of ulna
(Distal attachment)
Lateral, Posterior, and Anterior surfaces of proximal third of radius
What are the attachments for the Extensor Indicis?
(Proximal attachment)
Posterior surface of distal third of ulna and interosseous membrane
(Distal attachment)
Extensor expansion of 2nd digit
What are the attachments for the Abductor Pollicis Longus?
(Proximal attachment)
Posterior surface of proximal halves of Ulna, Radius, and Interosseous membrane
(Distal attachment)
Base of 1st metacarpal
What are the attachments for the Extensor Pollicis Longus?
(Proximal attachment)
Posterior surface of middle third of ulna and interosseous membrane
(Distal attachment)
Dorsal aspect of base of distal phalanx of thumb
What are the attachments for the Extensor Pollicis Brevis?
(Proximal attachment)
Posterior surface of distal third of radius and interosseous membrane
(Distal attachment)
Dorsal aspect of base of proximal phalanx of thumb (1st digit)