Anatomy: Upper extremity Flashcards
Origin of Pronator Teres
Humeral Head: Medial Epicondyle Ulnar (deep) Head: Proximal antererolateral ulna
Origin of FCR
Medial epicondyle
Origin of Palmaris Longus
Medial epicondyle
Origin of the FCU
Medial epicondyle and Posterior ulna
Origin of FDS
- Medial epicondyle and proximal ulna 2. Anterior proximal radius
Origin of FDP
Proximal 3/4 of medial and anterior ulna and interosseous membrane
Origin of FPL
Anterior radius and interossous membrane
Origin of Pronator Quadratus
Distal 1/4 of anterior surfaceof ulna
Origin of Anconeus
Posterior aspect of Lateral Epicondyle
Origin of EDC
Lateral Epicondyle
Origin of EDM
Lateral Epicondyle
Origin of ECU
Lateral Epicondyle and posterior border of ulna
Origin of Brachioradialis
Lateral Condyle
Origin of ECRL
Lateral Condyle
Origin of ECRB
Lateral Epicondyle
Origin of Supinator
Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa and crest of ulna
Origin of APL
Posterior Radius, Ulna, and Interosseous Membrane
Origin of EPB
Posterior radius and interosseous membrane
Origin of EPL
Posterior middle 1/3 of ulna and interosseous membrane
Origin of Extensor Indicis proprius
Posterior surface of ulna and interosseous membrane
Origin of Opponens Pollicis
flexor retinaculum and tubercle of trapezium bone
Origin of Abductor Pollicis Brevis
Flexor retinaculum and tubercles of scaphoid and trapezium
Origin of Flexor Pollicis Brevis
Flexor retinaculum and tubercles of scaphoid and trapezium
Origin of Adductor Pollicis
oblique head: bases of 2nd and 3rd metacarpals, and capitate; transverse head: 3rd metacarpal
Origin of Palmaris Brevis
Transverse carpal ligament
Origin of abductor digiti minimi
pisiform
Origin of flexor digiti minimi brevis
hook of hamate and flexor retinaculum
Origin of Opponens digiti minimi
hook of hamate and flexor retinaculum
Origin of Dorsal interossei (4)
dorsal metacarpal shafts of the adjacent 2 metacarpals
Origin of Palmar interossei (3)
palmar surfaces of 2nd, 4th, an d5th metacarpals
Origin of Lumbrical Muscles
FDP
Insertion of Pronator Teres
Middle 1/3 of lateral surface of radius
Insertion of FCR
Base of the 2nd metacarpal
Insertionof Palmaris Longus
Distal 1/2 of flexor retinaculum and palmar aponeurosis
Insertion of FCU
Pisiform, hook of hamate, 5th metacarpal
Insertion of FDS
volar aspect of medial and lateral middle phalanx bases 2-5
Insertion of FDP
Base of the distal phalanxes of 2-5
Insertion of FPL
Base of the distal phalanx of thumb
Insertion of Pronator Quadratus
Distal 1/4 of anterior surface of radius
Insertion of Anconeus
Lateral surface of olecranon and superior part of posterior surface of ulna
Insertion of EDC
Extensor expansions of digits 2-5
Insertion of EDM
Extensor expansions of 5th digit
Insertion of ECU
Base of the 5th metacarpal
Insertion of Brachioradialis
lateral surface of radial styloid
Insertion of ECRL
Base of the 2nd metacarpal
Insertion of ECRB
Base of the 3rd metacarpal
Insertion of Supinator
Lateral, posterior, and anterior surfaces of proximal 1/3 of radius
Insertion of APL
Base of 1st metacarpal
Insertion of EPB
Base of proximal phalanx
Insertion of EPL
base of 1st distal phalanx
Insertion of Extensor Indicis Proprius
extensor expansion of 2nd digit
Insertion of Opponens Pollicis
lateral side of 1st metacarpal bone
Insertion of Abductor Pollicis Brevis
Lateral side of base of 1st proximal phalanx
Insertion of Flexor Pollicis Brevis
Lateral side of base of 1st proximal phalanx
Insertion of Adductor Pollicis
medial side of the base of 1st proximal phalanx
Insertion of Palmaris Brevis
Skin on medial palm
Insertion of abductor digiti minimi
medial side of base of 5th proximal phalanx
Insertion of flexor digiti minimi brevis
medial side of base of 5th proximal phalanx
Insertion of opponens digiti minimi
medial side of 5th metacarpal
Insertion of Dorsal interossei
extensor expansions and bases of proximal phalanxes of 2-4; 1,2 to radial aspect; 3,4 to ulnar aspect
Insertion of Palmar interossei
extensor expansios of digits and bases of proximal phalanges of digits 2,4, and 5
Insertion of Lumbricals
radial lateral band of extensor expansion
Action of Pronator Teres
Pronates and flexes forearm (at elbow)
Action of FCR
Flexes and abducts wrist
Action of Palmaris longus
flexes wrist and tightens palmaris aponerosis
Action of FCU
Flexes and adducts wrist
Action of FDS
Flexes PIP and MCP joints of 2-5
Action of FDP
flexes DIP of 2-5; some wrist flexion
Action of FPL
Fleses 1st IPJ
Action of Pronator Quadratus
Pronates forearm; deep fibers bind radius and ulna together
Action of Anconeus
assists w elbow extension; abducts ulna during pronation
Action of EDC
Extends MCPJ of 2-5; extends wrist
Action of EDM
extends 5th MCP, PIP, and DIP jnts
Action of ECU
Wrist extension and adduction
Action of Brachioradialis
flexes elbow
Action of ECRL
wrist extension and radial deviation
Action of ECRB
wrist extension and radial deviation
Action of Supinator
Supinates forearm
Action of APL
Abducts thumb and extends CMC jnt
Action of EPB
Extends 1st MCP
Action of EPL
extends 1st IP and CMC
Action of Extensor Indicis Proprius
extends 2nd digit
Action of Opponens Pollicis
opposes thumb toward center of palm and rotates it medially
Action of Abductor Pollicis Brevis
abducts them and helps w opposition
Action of Flexor Pollicis Brevis
flexes thumb
Action of Adductor Pollicis
Thumb adduction and thumb MCP
Action of Palmaris Brevis
Wrinkles skin
Action of abductor digiti minimi
abducts 5th digit
Action of flexor digiti minimi brevis
flexes 5th PIP
Action of Opponens digiti minimi
Opposition (draws 5th digit anteriorly and radially rotastes)
Action of Dorsal interossei
abducts digits from axial line; aids lumbricals
Action of Palmer interossei
adduct towards axial line; aids lumbricals
Action of Lumbricals
flexes MCPJs and extends IPJs
Innervation of Pronator Teres
Median Nerve (C6,7)
Innervation of Pronator Teres
Median Nerve (C6,7)
Innervation Palmaris Longus
Median Nerve (C7,8)
Innervation of FCU
ulnar nerve (C7,8)
Innervation of FDS
Median nerve (C7, C8, T1)
Innervation of FDP
Medial part: Ulnar nerve (C8-T1); Lateral part: AIN (of median nerve C8-T1)
Innervation of FPL
AIN (of median nerve C8-T1)
Innervation of Pronator Quadratus
AIN (of median nerve C8-T1)
Innervation of Anconeus
Radial N. (C7, C8, T1)
Innervation of EDC
PIN (radial n. C7-8)
Innervation of EDM
PIN (radial n. C7-8)
Innervation of ECU
PIN (radial n. C7-8)
Innervation of Brachioradialis
radial N. (C5-7)
Innervation of ECRL
radial n. (C6-7)
Innervation of ECRB
PIN (radial n. C7-8)
Innervation of Supinator
PIN (radial n. C7-8)
Innervation of APL
PIN (radial n. C7-8)
Innervation of EPB
PIN (radial n. C7-8)
Innervation of EPL
PIN (radial n. C7-8)
Innervation of Extensor Indicis Proprius
PIN (radial n. C7-8)
Innervation of Opponens Pollicis
Recurrent branch of median nerve (C8-T1)
Innervation of Abductor Pollicis Brevis
Recurrent branch of median nerve (C8-T1)
Innervation of Flexor Pollicis Brevis
Recurrent branch of median nerve (C8-T1); deep part innervated by deep branch of ulnar nerve
Innervation of Adductor Pollicis
Deep branch of ulnar nerve (C8 and T1)
Innervation of Palmaris Brevis
ulnar nerve (C7,8)
innervation of abductor digiti minimi
Deep branch of ulnar nerve (C8 and T1)
Innervation of flexor digiti minimi brevis
Deep branch of ulnar nerve (C8 and T1)
Innervation of Opponens digiti minimi
Deep branch of ulnar nerve (C8 and T1)
Innervation of Dorsal interossei
Deep branch of ulnar nerve (C8 and T1)
Innervation of palmar interossei
Deep branch of ulnar nerve (C8 and T1)
Innervation of Lumbricals
1st and 2nd- median n.; 3rd and 4th- ulnar n.
Arterial Supply to Pronator Teres
Anterior recurrent ulnar artery
Arterial supply to FCR
ulnar artery
Aterial Supply to Palmaris Longus
ulnar artery
Arterial Supply of FCU
Ulnar Artery
Arterial Supply of FDS
Ulnar Artery
Arterial Supply to FDP
Ulnar artery; anterior interosseous artery
Arterial Supply to FPL
Anterior interosseous artery
Arterial Supply to Quadratus
Anterior interosseous artery
Arterial Supply to Anconeus
middle colalteral brance of deep brachial artery; recurrent interosseous artery
Arterial Supply to EDC
Interosseous recurrent and posterior interossous arteries
Arterial Supply to EDM
Interosseous recurrent artery
Arterial Supply to ECU
Ulnar artery
Arterial Supply to Brachioradialis
Radial recurrent artery
Arterial Supply to ECRL
Radial Artery
Arterial Supply to ECRB
Radial Artery
Arterial Supply to Supinator
Recurrent interosseous artery
Arterial Supply to APL
Posterior Interosseous Artery
Arterial Supply to EPB
Posterior Interosseous Artery
Arterial Supply to EPL
Posterior Interosseous Artery
Arterial Supply to proprius
Posterior Interosseous Artery
Arterial Suppy to Opponens Pollicis
Superficial palmar branch of the radial artery
Arterial Supply of Abductor Pollicis Brevis
Superficial palmar branch of the radial artery
Arterial Supply of Flexor Pollicis Brevis
Superficial palmar branch of the radial artery
Arterial Supply of Adductor Pollicis
Deep palmar arterial arch
Arterial Supply of abductor digiti mnimi
Ulnar artery
Arterial Supply of flexor digiti minimi brevis
Ulnar artery
Arterial Supply of Opponens digiti minimi
ulnar
Arterial Supply of Dorsal interossei
dorsal (radial a.) and palmar metacarpal arteries
Arterial Supply to interossei
Palmar metacarpal arteries
Arterial Supply to Lumbricals
Palmar metacarpal arteries