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Anatomy Block III- Forearm

front 1 what is the humerus an attachment for	back 1 some forearm muscles
front 2 what are two bony landmarks on the ulna	back 2 styloid process interosseus border
front 3 what are some bony landmarks on the radius	back 3 head styloid process interosseus border
front 4 is the head of the radius or ulna more distal	back 4 radius

front 5 how many carpals are there	back 5 8
front 6 how many phalanges are there	back 6 14, 2 for thumb, 3 for remaining digits
front 7 what does the interosseus membrane divide	back 7 flexor (anterior) compartment from extensor (posterio) muscles
front 8 why is the interosseus of the upper limb important	back 8 pronation/supination

front 9 what fascia is in the forearm	back 9 deep fascia of the forearm
front 10 what is the deep fascia of the forearm continuous with	back 10 brachial fascia
front 11 what is another name for the deep fascia of the forearm	back 11 antebrachial fascia
front 12 what forms compartmenst along with the interosseous membrane	back 12 deep fascia of the arm

front 13 what are two thickenings in the deep fascia of the forearm	back 13 flexor retinaculum extensor retinaculum
front 14 where is the flexor retinaculum	back 14 anterior aspect of forearm
front 15 what flexor tendons don't get covered	back 15 palmaris longus
front 16 where is the extensor retinaculum	back 16 posterior aspect of forearm

front 17 what is the point of of the retinaculum	back 17 prevents bowstringing of tendons agaisnt skin and fascia themselves, keeps their advantage
front 18	back 18 a. brachioradialis b. pronator teres c. flexor carpi radialis d. palmaris longus e. flexor carpi ulnaris
front 19 what is the action of the anterior forearm compartment	back 19 hand/wrist flexors and forearm pronators
front 20 what muscles are part of the anterior superficial layer	back 20 pronator teres flexor carpi radialis palmaris longus flexor carpi ulnaris

front 21 where do all of the superficial muscles of the anterior superficial layer originate from	back 21 medial epicondyle off tendon called flexor tendon
front 22 what innervates pronator teres	back 22 median nerve
front 23 what innervates flexor carpi radialis	back 23 median nerve
front 24 what innervates palmaris longus	back 24 median nerve

front 25 what innervates flexor carpi ulnaris	back 25 ulnar nerve
front 26 what innervates flexor digitorum superficialis	back 26 median nerve
front 27 what innervates flexor digotorum profundus on digits 2-3	back 27 median nerve
front 28 what innervates flexor digitorum profundus on digits 4-5	back 28 ulnar nerve

front 29 what innervates flexor pollicis longus	back 29 anterior interosseous nerve
front 30 what innervates pronator quadratus	back 30 anterior interosseous nerve
front 31 what is innervated by the median nerve in the anterior forearm	back 31 pronator teres flexor carpi radialis palmaris longus flexor digitorum superficialis
front 32 what is innervated by the ulnar nerve in the anterior forearm	back 32 flexor carpi ulnaris flexor digitorum profundus 4-5

front 33 what is innervated by the anterior interosseous nerve in the anterior forearm	back 33 flexor pollicis longus pronator quadratus
front 34 what is the action of the pronator teres	back 34 flex forearm, no hand/wrist flexion (only one that does not cross wrist), PRONATION mainly
front 35 what is the action of the flexor carpi radialis	back 35 flex forearm, hand wrist flexion, forearm pronator and radial deviation (hand abduction)
front 36 what is the action of the palmaris longus	back 36 wrist flexion only

front 37 what is interesting about the palmaris longus	back 37 missing in a fair number of people
front 38 what does the palmaris longus have and what does that thing attach to	back 38 long central tendon, attaches to palmar aponeuroses
front 39	back 39 a. supniator b. flexor digitorum superficialis
front 40	back 40 a. supinator b. flexor digitorum profundus c. flexor pollicis longus d. pronator quadratus

front 41 what innervates the brachioradialis	back 41 radial nerve
front 42 what innervates the extensor carpi radialis brevis	back 42 deep branch of radial nerve
front 43 what innervates the extensor carpi radialis longus	back 43 radial nerve
front 44 what innervates the extensor digitorum	back 44 posteiror interosseous nerve

front 45 what innervates the extensor digiti minimi	back 45 posteiror interosseous nerve
front 46 what innervates the extensor carpi ulnaris	back 46 posterior interosseous nerve
front 47 what innervates the supinator	back 47 deep branch of radial nerve
front 48 what innervates the abductor pollicis longus	back 48 posterior interosseous nerve

front 49 what innervates the extensor pollicis longus	back 49 posterior interosseous nerve
front 50 what innervates the extensor pollicis brevis	back 50 posterior interosseous nerve
front 51 what innervates the extensor indicis	back 51 posterior interosseous nerve
front 52 what is in the intermediate layer of anterior muscles	back 52 flexor digitorum superficialis

front 53 where does the flexor digitorum superficialis start and end	back 53 medial epicondyle and radius to fingers
front 54 what is the action of the flexor digitorum superficialis	back 54 flex wrist and fingers PIP joint 2-5
front 55 what muscles are in the deep layer of the anterior forearm compartment	back 55 flexor digitorum profundus flexor pollicis longus pronator quadratus
front 56 what do the flexor digitorum profundus go to	back 56 go to distal phalanges and flex DIP joint 4-5

front 57 what do flexor pollicis longus go to	back 57 more latera, flexes thumb joint
front 58 what does the pronator quadratus not do	back 58 hand/wrist flexion
front 59 what does the pronator quadratus do	back 59 helps pronation
front 60 what nerves are in the anterior compartment	back 60 median nerve ulnar nerve

front 61	back 61 a. median nerve b. ulnar nerve c. ulnar artery d. common interosseous artery e. median nerve f. radial artery g. anterior interosseous artery and nerve
front 62 what vessels are in the anterior compartment	back 62 ulnar artery radial artery anterior interosseous artery
front 63 what does the median nerve innervate in the anterior forearm	back 63 all forearm muscles except medial 1/2 flexor digitorum profundus and flexor carpi ulnaris (and its branch the anterior interosseous nerve innervates the flexor pollis longus and the pronator quadratus)
front 64 what does the median nerve give off	back 64 anterior interosseous nerve

front 65 where does the anterior interosseous nerve run	back 65 along top of anterior surface of interosseous membrane
front 66 what does the anterior interosseous nerve innervate	back 66 flexor pollicis longus pronator quadratus
front 67 what does the ulnar nerve innervate	back 67 medial 1/2 of flexor digitorum profundus and flexor carpi ulnaris
front 68 where does the ulnar nerve go	back 68 intrinsic hand on medial side

front 69 where does the ulnar artery run	back 69 along medial side
front 70 where does the radial artery run	back 70 along lateral side, more superficial and better to get pulse from
front 71 where does the anterior interosseous artery run	back 71 from common interosseous artery from ulnar artery
front 72 what is the shared action of the posterior forearm compartment	back 72 wrist extensors and forearm supinators

front 73 what muscles are in the superficial layer of the posterior forearm muscles	back 73 brachioradialis extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum extensor digiti minimi extensor carpi ulnaris
front 74	back 74 a. brachioradialis b. extensor carpi radialis longus c. extensor carpi radialis brevis d. extensor digitorum e. extensor carpi ulnaris
front 75	back 75 a. supinator b. abductor pollicis longus c. extensor pollicis brevis d. extensor indicis e. extensor pollicis longus
front 76 what is the action of brachioradialis	back 76 weak flexion of forearm, holding it at 90 degrees

front 77 what innervates the brachioradialis	back 77 radial nerve
front 78 what does the extensor carpi radialis longus do	back 78 helps extend wrist, goes with flexor carpi radialis to get wrist abduction (radial deviation)
front 79 what is the role of extensor digitorum	back 79 gives rise to 4 tendons on all 4 finguers
front 80 what does the extensor digiti minimi do	back 80 pinky extension

front 81 where does the extensor carpi ulnaris go	back 81 metacarpal bones
front 82 what does the extensor carpi ulnaris do	back 82 wrist extension and wrist adduction with flexor carpi ulnaris
front 83 what are the deep posterior forearm muscles	back 83 supinator abductor pollicis longus extensor pollicis longus extensor pollicis brevis extensor indicis
front 84 what does the supinator do	back 84 only supination of the forearm with help from biceps brachii

front 85 what does the supinator wrap around	back 85 radius, it is deep
front 86 what is the action of abductor pollicis longus	back 86 thumb abduction
front 87 where does extensor pollicis longus run	back 87 off ulna, more medial on back of arm
front 88 where does extensor pollicis brevis go	back 88 more distally than extensor pollicis longus

front 89 what does extensor indicis do	back 89 extends index finger to a point
front 90	back 90 a. radial nerve b. deep branch of radial nerve
front 91 what are the nerves in the posterior compartment	back 91 radial nerve
front 92 what are the vessels in the psoterior compartment	back 92 posterior interosseous artery distal portion of anterior interosseous artery

front 93	back 93 a. supinator b. posterior interosseous nerve c. posterior interosseous artery
front 94 what does the radial nerve innervate (muscles)	back 94 brachioradialis and extensor carpi radialis longsu
front 95 what are teh branches of the radial nerve	back 95 deep branch posterior interosseous nerve
front 96 what does the deep branch of the radial nerve innervate	back 96 supinator and extensor carpi radialis brevis

front 97 where is the posterior interosseous nerve off of	back 97 deep branch of radial nerve, innervates the remainder of the posterior compartment muscles
front 98 where is the posterior interosseous artery from	back 98 common interosseus artery in anterior compartment
front 99 what side of the forearm is the carpal tunnel on	back 99 atnerior side
front 100 what is within the carpal tunnel	back 100 tendons of flexor pollicis longus and flexor digitorum superficialis and profundus median nerve synovial sheaths around flexor tendons

front 101 what is carpal tunnel syndrome	back 101 overuse leading to inflammatin and swelling in a small area, can decrease space and impingue on medial nerve
front 102 where are the differentces in sensation typically with carpal tunnel syndrome	back 102 lateral 3 fingures, some thumb, but not always palm of hand
front 103 what can start wasting due to median nerve compression	back 103 intrinsic muscle of thumb
front 104 what is Phalen's test	back 104 compresses carpal tunnel space and can exacerbate things and cause issues

front 105 what can help carpal tunnel syndrome	back 105 exercising, bracing, surgery better on the medial side
front 106 what is the anatomical snuff box	back 106 triangular depression on lateral side of wrist
front 107	back 107 a. extensor pollicis longus b. extensor pollicis brevis c. radial artery
front 108 what forms the anatomical snuff box	back 108 tendons of abductor pollicis longus, extensor pollicis brevis, and extensor pollicis longus

front 109	back 109 a. medial cutaneous nerve of forearm b. posterior cutaneous nerve of forearm c. lateral cutaenous nerve of forearm
front 110	back 110 a. posterior cutaneous nerve of forearm b. lateral cutaneous nerve of forearm
front 111 what does the cutaneous innervation of the forearm	back 111 lateral cutaneous nerve of forearm medial cutaneous nerve of forearm posterior cutaneous nerve of forearm