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Elbow, Forearm, Wrist, and Hand

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mellowstar51's version from 2016-07-06 16:46

Section 1

Question Answer
BrachialisO: Distal one-half of anterior surface of the humerus; I: Tuberosity and coronoid process of the ulna
BrachioradioalisO: Proximal two-thirds of lateral supracondylar ridge of the humerus; I: Lateral side of radial styloid process
Flexor carpi radialisO: Medial epicondyle of the humerus; I: Base of 2nd and 3rd metacarpals, palmar side
Palmaris longusO: Medial epicondyle of the humerus; I: Flexor retinaculum and palmar aponeurosis
Flexor carpi ulnarisO: (Humeral head) medial epicondyle, (Ulnar head) medial aspect of olecranon process and proximal two-thirds of posterior border; I: Pisiform, hook of hamate, and base of 5th metacarpal on palmar side
Flexor digitorum superficialisO: (Humeral head) medial epicondyle and ulnar collateral ligament, (Ulnar head) medial aspect of coronoid process, (Radial head) proximal one-half of anterior shaft distal to radial tuberosity; I: Sides of middle phalanges of digit 2-5 by four separate tendons
Flexor digitorum profundusO: Anterior and medial surfaces of proximal three-quarters of the ulna and interosseous membrane; I: Base of distal phalanges of digit 2-5, palmar side by four separate tendons
Flexor pollicis longusO: Anterior surface of body of the radius and interosseous membrane; I: Base of first distal phalanx, palmar side
Pronator teresO: (Humeral head) medial epicondyle, (Ulnar head) medial aspect of coronoid process; I: Middle one-third of lateral radius
Pronator quadratusO: Medial side and anterior surface of distal one-fourth of the ulna; I: Lateral side and anterior surface of distall one-fourth of the radius
SupinatorO: Lateral epicondyle of the humerus and supinator crest of the ulna; I: Posterior, lateral, and anterior surfaces of proximal one-third of the radius
AnconeusO: Posterior surface of lateral epicondyle of the humerus and humeroulnar joint capsule; I: Lateral aspect of olecranon process and posterior surface of proximal body of the ulna
Extensor carpi radialis longusO: Distal one-third of lateral supracondylar ridge of the humerus; I: Base of 2nd metacarpal, dorsal side
Extensor carpi radialis brevisO: Lateral epicondyle of the humerus; I: Base of 3rd metacarpal, dorsal side
Extensor carpi ulnarisO: Lateral epicondyle of the humerus and middle one-third of posterior border of the ulna; I: Base of 5th metacarpal, dorsal side
Extensor digitorumO: Lateral epicondyle of the humerus; I: Middle and distal phalanges of digits 2-5, dorsal side
Extensor indicisO: Ulna, posterior surfface of body, and interosseous membrane; I: Base of 2nd proximal phalanx and into tendon of Extensor digitorum to the 2nd digit
Extensor digiti minimiO: Lateral epicondyle of the humerus; I: Base of 5th proximal phalanx, dorsal side
Abductor pollicis longusO: Middle one-third of posterior surface of the ulna, radius, and interosseous membrane; I: Base of first metacarpal, dorsal side
Extensor pollicis brevisO: Distal one-third of posterior surface of the radius and interosseous membrane; I: Base of 1st proximal phalanx, dorsal side
Extensor pollicis longusO: Middle one-third of posterior surface of the ulna and interosseous membrane; I: Base of 1st distal phalanx, dorsal side
Opponens pollicisO: Flexor retinaculum and tubercle of trapezium, I: Entire length of first metacarpal bone, radial surface
Adductor pollicisO: Capitate, second and third metacarpals, I: Base of proximal phalanx of thumb
LumbricalsO: Surfaces of flexor digitorum profundus tendons, I: Extensor aponeurosis on dorsal side of phalanges
Palmar interosseiO: Base of first, second, fourth, and fifth metacarpals, I: Base of proximal phalanx of related fingers and extensor aponeurosis
Dorsal interosseiO: Adjacent sides of all metacarpals, I: Base of proximal phalanx of 2, 3, 4, and extensor aponeurosis
Opponens digiti minimiO: Hook of hamate and flexor retinaculum, I: Shafts of fifth metacarpal and ulnar surface
memorize

 

Question Answer
BrachialisMusculotaneous small branch from radial C5, 6
BrachioradialisRadial C5, 6
Extensor carpi radialis longusRadial C5, 6, 7, 8
Extensor carpi radialis brevisRadial C6, 7, 8
Extensor carpi ulnarisRadial C6, 7, 8
Extensor digitorumRadial C6, 7, 8
AnconeusRadial C7, 8
Extensor indicisRadial C6, 7, 8
Palmaris longusMedial C(6), 7, 8, T1
Flexor carpi radialisMedial C6, 7, 8
Flexor carpi ulnarisUlnar C7, 8, T1
Flexor digitorum superficialisMedian C7, 8, T1
Flexor digitorum profundus(1&2) Median C7, 8, T1 and (3&4) Ulnar C7, 8, T1
Pronator quadratusMedian C7, 8, T1
Pronator teresMedian C6, 7
SupinatorRadial C5, 6, (7)
Abductor pollicis longusRadial C6, 7, 8
Extensor pollicis longus and brevisRadial C6, 7, 8
Flexor pollicis longusMedian C(6), 7, 8, T1
Abductor pollicis brevisMedian C6, 7, 8, T1
Flexor pollicis brevis(Superficial) Median C6, 7, 8, T1 and (Deep) Ulnar C8, T1
Opponens pollicisMedian C6, 7, 8, T1
Adductor pollicisUlnar C8, T1
Lumbricals(2&3) Median C(6), 7, 8, T1 and (4&5) Ulnar C(7), 8, T1
Palmar interosseiUlnar C8, T1
Dorsal interosseiUlnar C8, T1
Abductor digiti minimiUlnar C(7), 8, T1
Flexor digiti minimi brevisUlnar (7), 8, T1
Opponens digiti minimiUlnar C(7), 8, T1
memorize

Section 2

Question Answer
Flexion of the elbowBiceps brachii, Brachialis, Brachioradialis
Extension of the elbowTriceps brachii
Pronation of the wristBrachioradialis, Flexor carpi radialis, Pronator teres, Pronator quadratus
Supination of the wristBiceps brachii, Supinator
Flexion of the wristFlexor carpi radialis, Flexor carpi ulnaris
Extension of the wristExtensor carpi radialis longus, Extensor carpi radialis brevis, Extensor carpi ulnaris
Radial deviation of the wristFlexor carpi radialis, Extensor carpi radialis longus, Abductor pollicis longus, Extensor pollicis brevis
Ulnar deviation of the wristFlexor carpi ulnarus, Extensor carpi ulnaris
Flexion of the fingersFlexor digitorum superficialis, Flexor digitorum profundus, Flexor digiti minimi brevis, Lumbricals, Interossei
Extension of the fingersExtensor digitorum, Extensor indicis, Extensor digiti minimi, Interossei, Lumbricals
Adduction of the fingersPalmar interossei
Abduction of the fingersAdbductor digiti minimi, Dorsal interossei
Flexion of the thumbFlexor pollicis longus, Flexor pollicis brevis, Opponens pollicis
Extension of the thumbAbductor pollicis longus, Extensor pollicis brevis, Extensor pollicis longus
Adduction of the thumbAdductor pollicis
Abduction of the thumbAbductor pollicis longus, Abductor pollicis brevis
Opposition of the thumbOpponens digiti minimi, Opponens pollicis, Flexor pollicis brevis, Abductor pollicis brevis
memorize

Section 3

Question Answer
Prime movers of elbow flexionBiceps brachii, Brachialis, Brachioradialis
Prime mover of elbow extensionTriceps brachii
Muscles involved in supinationBiceps brachii, Supinator, Brachioradialis, Extensor indicis, Extensor carpi radialis longus
Muscles involved in pronationFlexor carpi radialis, Pronator teres, Pronator quadratus, Brachioradialis
Actions of biceps brachiiShoulder: Flexion, abduction (long head), adduction (short head); Forearm: flexion and supination
Two joints of the forearm that allow it to rotate (pronate and supinate)proximal and distal radioulnar joint
Ligament that keeps the radial head in place during pronation and supinationannular ligament
Nerve found in the carpal tunnelmedian nerve
Fingers (digits) most commonly involved with carpal tunnel syndromethumb, index, middle, and half of ring
Artery used to take the pulse at the wristradial artery
Nerve irritated when hitting your "funny bone"ulnar nerve
Artery used to take the pulse in the upper arm of an infantbrachial artery
Commonly known as the tip or point of the elbowolecranon
Where the flexor muscles commonly originatemedial epicondyle of the humerus
Where the extensor muscles commonly originatelateral epicondyle of the humerus
Side of the forearm where the flexor muscles are locatedanterior and medial
Side of the forearm where the extesor muscles are locatedposterior and lateral
Pollicis refers to which digitithumb
Which pronator muscle is distal and which is proximalPronator teres is proximal, Pronator quadratus is distal
Action of the brachialisflexion of the elbow
Anatomical term for bones that form the palmmetacarpals
Anatomical term for bones that form mthe wristcarpals
Origin of BrachialisDistal one-half of anterior surface of the humerus
Origin of BrachioradialisProximal two-thirds of lateral supracondylar ridge of the humerus
Origin of Pronator teres(Humeral head) medial epicondyle, (Ulnar head) medial aspect of coronoid process
Origin of Pronator quadratusMedial side and anterior surface of distal one-fourth of the ulna
Origin of SupinatorLateral epicondyle of the humerus and supinator crest of the ulna
Difference between finger abduction and adductionAbduction: Abductor digiti minimi (5th digit), and dorsal interossei (digits 2-4); Adduction: Palmar interossei (digits 2, 4, and 5)
Difference between radial and ulnar deviationRadial: Flexor carpi radialis, Extensor carpi radialis longus, Abductor pollicis longus, and Extensor pollicis longus; Ulnar: Flexor carpi ulnaris, Extensor carpi ulnaris
Number of digits in order1 (thumb) to 5 (pinkie)
Position of the hand and forearm in anatomical position
memorize

Section 4

Question Answer
Palpate medial epicondyle
Palpate lateral epicondyle
Palpate ulnar nerve
Palpate wrist flexor muscle origins
Palpate Brachioradialis
Palpate Brachialis
Palpate Pronator quadratus
Palpate Pronator teres
Palpate Palmaris longus tendon
Palpate Flexor digitorum superficialis
Palpate Extensor digitorum tendons
memorize

Section 5

Question Answer
Perform finger flexion
Perform finger extension
Perform wrist flexion
Perform wrist extension
Perform ulnar deviation
Perform radial deviation
Perfrom elbow flexion
Perform elbow extension
Perform finger abduction
Perform finger adduction
Perform pronation
Perform supination
memorize

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