Elbow, Wrist, Hand Flashcards
Flexor Digiti Minimi (FDM) (PA and DA)
PA- transverse carpal ligament and hook of the hamate DA- ulnar side of the base of the proximal phalanx of the little finger
Dorsal Interossei (DI) (Action)
abducts the fingers
Abductor Pollicis Brevis (APB) (PA and DA)
PA- transverse carpal ligament, palmar tubercle of the trapezium and scaphoid bones DA- radial side of the base of the proximal phalanx of the thumb; also attaches into the extensor mechanisms of the thumb
Flexor Pollicis Brevis (FPB) (Innervation)
Recurrent branch of Median N
Pronator Quadratus (Action)
Forearm pronator
Extensor Carpi Radialis Longus (ECRL) (PA and DA)
PA- lateral epicondyle of the humerus DA- radial- posterior side of the base of the 2nd metacarpal
Palmar Interossei (PI) (Innervation)
deep branch of the ulnar N
Extensor Carpi Radialis Brevis (ECRB) (PA and DA)
PA- lateral epicondyle humerus DA- radial- posterior surface of the base of the 3rd metacarpal
Abductor Pollicis Longus (APL) (PA and DA)
PA- posterior surface of the middle part of the radius and ulna, and adjacent interosseous membrane DA- radial- dorsal surface of the base of the thumb metacarpal; occasional secondary attachments to the trapezium and thenar muscles
Flexor Pollicis Brevis (FPB) (PA and DA)
PA- transverse carpal ligament and palmar tubercle of the trapezium DA- radial side of the base of proximal phalax of the thumb; also to the lateral sesamoid bone at the metacarpophalangeal joint
Adductor Pollicis (AP) (PA and DA)
PA- (Oblique head) capitate bone, base of the second and third metacarpal, and adjacent capsular ligament of the carpometacarpal joint (Transverse head) palmar surface of the third metacarpal DA- both heads attach on the ulnar side of the base of the proximal phalanx of the thumb and to the medial sesmoid bone at the metacarpophalangeal joint; also attaches into the extensor mechanism of the thumb
Supinator (Action)
Forearm supinator
Extensor Carpi Radialis Brevis (ECRB) (Innervation)
deep branch of the radial N
Abductor Digiti Minimi (ADM) (Innervation)
deep branch of the ulnar N
Extensor Carpi Radialis Longus (ECRL) (Action)
Wrist extension, radial deviation
Anconeus (Innervation)
radial N
Flexor Digitorum Profundus (FDP) (PA and DA)
PA- proximal 3/4 of the anterior of the anterior and medial side of the ulna and adjacent interosseous membrane DA- by the four tendons, each to the palmar base of the distal phalanges of the fingers
Extensor Pollis Brevis (EPB) (Innervation)
Radial N (posterior interossous N)
Triceps Brachii (Innervation)
Radial N
Palmaris Longus (PL) (PA and DA)
PA- medial epicondyle of the humerus DA- central part of the transverse carpal ligament and palmar aponeurosis of the hand
Extensor Pollis Brevis (EPB) (PA and DA)
PA- posterior surface of the middle to distal part of the radius and adjacent interosseous membrane DA- dorsal base of the proximal phalanx and extensor mechanism of the thumb
Extensor Digitorum (ED) (PA and DA)
PA- lateral epicondyle of the humerus DA- by four tendons, each to the base of the extensor mechanism and to the dorsal base of the proximal phalanx of the fingers
Flexor Digitorum Profundus (FDP) (Innervation)
Medial 2: Ulnar N Lateral 2: Median N (anterior interosseous N)
Palmar Interossei (PI) (PA and DA)
PA- adjacent metacarpal DA- oblique fibers of the dorsal hood (of the extensor hood)