Muscle Origins/Insertions Flashcards
Biceps Brachii
(RED)
O:Coracoid process of the scapula and the supraglenoid tubercle of the scapula.
I:Tuberosity of the radius and the bicipital aponeurosis
Brachialis
O: Distal half of the anterior surface of the humerus
I: Coronoid process and tuberosity of the ulna
Brachioradialis
O: Supracondylar ridge and the lateral epicondyle of the humerus
I: Near the styloid process of the radius
Triceps Brachii
(Light Pink)
O: Infraglenoid tubercle of the scapula, inferior to the neck of the humerus, and the lower 1/2 of the posterior surface of the humerus
I: Olecranon process of the ulna
Anconeus
(Dark Pink)
O: Posterior surface of the lateral epicondyle of the humerus
I: Olecranon process of the ulna and the proximal 1/4 of the posterior surface of the ulna
Pronator Teres
(Yellow)
O:Medial epicondyle of the humerus and the coronoid process of the ulna
I: Middle of the lateral surface of the radius
Protator Quadratus
(Red)
O: anterior surface of the distal end of the ulna
I: anterior surface of the distal end of the radius
Supinator
(PINK)
O: Lateral epicondyle of the humerus and the proximal end of the ulna
I: Proximal 1/3 of the lateral surface of the radius
Extensor Carpi Radialis Longus (ECRL)
(RED)
O: Lateral epicondyle of the humerus
I: Base of the 2nd. metacarpal
Extensor Carpi Radialis Brevis (ECRB)
(Yellow)
O: Lateral epicondyle of the humerus
I: Base of the 3rd. metacarpal
Extensor Carpi Ulnaris (ECU)
O: Lateral epicondyle of the humerus
I: Base of the 5th. metacarpal
Flexor Carpi Radialis (FCR)
(Orange)
O: Medial epicondyle of the humerus
I: base of the 2nd. metacarpal
Palmaris Longus (PL)
(Yellow)
O: Medial epicondyle of the humerus
I: Palmar aponeurosis
Flexor Carpi Ulnaris (FCU)
(Green)
O: Medial epicondyle of the humerus
I: Pisiform, hammate and the base of the 5th. metacarpal
Extensor Digitorum (ED)
O: Lateral epicondyle of the humerus
I: Sides and backs of digits 2-5 by means of the extensor hood to the base of the distal phalanx
Extensor Indicis (EI)
(Red)
O: Distal 1/3 of the posterior surface of the ulna
I: Base of the distal phalanx of the index finger
Extensor Digiti Minimi (EDM)
(Green)
O: Lateral Epicondyle of the humerus
I: Base of the distal phalanx of the 5th. digit
Flexor Digitorum Superficialis (FDS)
O: Medial epicondyle of the humerus and the coronoid process of the ulna and the middle of the radius
I: Sides of the middle phalanges of digits 2-5
Flexor Digitorum Profundus (FDP)
O:Proximal 3/4 of the anterior and medial surface of the ulna
I: Base of the distal phalanges of digits 2-5
