Term
| What are the 3 parts of the hand? |
|
Definition
| carpus, metacarpus, digits |
|
|
Term
| What are the 2 surfaces of the hand? |
|
Definition
|
|
Term
| What is the palmar surface also called? |
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Definition
|
|
Term
| reinforced thickenings of antebrachial fascia at wrist |
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Definition
|
|
Term
| what does the retinacula prevent? |
|
Definition
| tendons of extrinsic muscles from "bowstringing" |
|
|
Term
| which side is the flexor retinaculum located on? |
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Definition
|
|
Term
| the flexor retinaculum overlies what to form the carpal tunnel? |
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Definition
|
|
Term
| the flexor retinaculum overlies a groove in the carpus to form what? |
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Definition
|
|
Term
| the flexor retinaculum, aside from forming the carpal tunnel, conveys what else |
|
Definition
| various flexor tendons, median nn to palm |
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|
Term
| extensor retinaculum is located where |
|
Definition
| posterior, dorsal surface |
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|
Term
| the fibrous digital (flexor) sheaths are located where |
|
Definition
| anterior aspect of digits |
|
|
Term
| what is the purpose of the fibrous digital (flexor) sheaths (2) |
|
Definition
| prevents bowstringing, forms osseofibrous tunnels |
|
|
Term
| the fibrous digital (flexor) sheath combines with the bony phalanges to form what |
|
Definition
|
|
Term
| what is the role of the synovial sheath in the hand? |
|
Definition
| lubricate tendons passing deep to retinacula or fibrous sheaths |
|
|
Term
| what is the role of the palmar aponeurosis (2) |
|
Definition
| protects deeper structures of palm, attachment site |
|
|
Term
| the palmar aponeurosis serves as an attachment site for what 2 muscles |
|
Definition
| palmaris longus, palmaris brevis |
|
|
Term
| where is the thenar eminence located? |
|
Definition
|
|
Term
| where is the hypothenar emininence located? |
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Definition
|
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Term
| What are the thenar and hypothenar eminences made up of, simply? |
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Definition
|
|
Term
| how many carpal bones are there? |
|
Definition
|
|
Term
| how are the carpals organized? |
|
Definition
|
|
Term
| this bone is contained within the flexor carpi ulnaris |
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Definition
|
|
Term
| what kind of bone is the pisiform? |
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Definition
|
|
Term
| the pisiform lies anterior to what carpal? |
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Definition
|
|
Term
| the pisiform provides attachment for what |
|
Definition
|
|
Term
| the triquetrum articulates with what feature of the ulnar head? |
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Definition
|
|
Term
| What is the order of the proximal row of the carpals, medial to lateral (anatomical position) |
|
Definition
| pisiform, triquetrum, lunate, scaphoid |
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|
Term
| What is the order of the carpals of the distal row, medial to lateral |
|
Definition
| hamate, capitate, trapezoid, trapezium |
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|
Term
| the lunate articulates with what forearm bone? |
|
Definition
|
|
Term
| the lunate articulates with the radius in what joint |
|
Definition
|
|
Term
| the scaphoid articulates with what forearm bone |
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Definition
|
|
Term
| the articulation of the scaphoid with the radius is part of this joint |
|
Definition
|
|
Term
| the anterior tubercle of the scaphoid provides attachment for what |
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Definition
|
|
Term
| the scaphoid forms floor of this anatomical feature of the hand |
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Definition
|
|
Term
| which carpal is most commonly fractured with a fall on the outstretched hand |
|
Definition
|
|
Term
| the anterior hook of the hamate provides attachment for what (2) |
|
Definition
| flexor carpi ulanris, flexor retinaculum |
|
|
Term
|
Definition
| gets most of force directed to hand through wrist |
|
|
Term
| the trapezoid and trapezium: anterior tubercle serves as an attachment for what |
|
Definition
|
|
Term
| the heads of which metacarpals are prominent in flexed mcp joints (make a fist) |
|
Definition
|
|
Term
| how many phalanges are there per hand? |
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Definition
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|
Term
| the flexor carpi radilais tendon occupies a separate comaprtment deep to _____ ____ |
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Definition
|
|
Term
| the tendon of flexor carpi ulnaris passes ______ to carpal tunnel |
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Definition
|
|
Term
| the tendon of flexor carpi ulnaris passes _______ to flexor retinaculum |
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Definition
|
|
Term
| the tendon of flexor carpi ulnaris contains what bone |
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Definition
|
|
Term
| tendon of palmaris longus passes _____ to flexor retinaculum |
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Definition
|
|
Term
| tendon of palmaris longus passes superficial to flexor retinaculum to what? |
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Definition
|
|
Term
| tendons of digital flexors and flexor pollicis pass through what |
|
Definition
|
|
Term
| tendons of digital flexors and flexor pollicis pass through the carpal tunnel with what else |
|
Definition
|
|
Term
| tendons of flexor digitorum superficialis split near insertions on middle phalanges to permit what to pass through |
|
Definition
| flexor digitorum profundus |
|
|
Term
| the flexor tendons are anchored to the phalanges by what |
|
Definition
|
|
Term
| the flexor tendons into the phalanges are contained within ______ sheaths in the flexor sheath |
|
Definition
|
|
Term
| the tendons of extensor carpi radialis and carpi radialis brevis pass in separate compartment through what |
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Definition
|
|
Term
| the tendons of extensor carpi radialis longus/brevis pass in separate compartments through anatomical snuffbox, deep to tendons of what |
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Definition
|
|
Term
| which muscles form the boundaries of teh anatomical snuffbox anteriorly |
|
Definition
| abductor pollicis longus, extensor pollicis brevis |
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|
Term
| which muscles form the posterior border of the anatomical snuffbox |
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Definition
|
|
Term
| what are the extensor expansions |
|
Definition
| fibrous hoods (expanded attachments for the tendons) |
|
|
Term
| the extensor expansions drape the posterior aspect of digits |
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Definition
|
|
Term
| the fibrous hoods of the extensor expansions abut what structure |
|
Definition
| transverse metacarpal ligaments |
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|
Term
| the fibrous hoods of teh extensor expansions abut the transverse metacarpal ligaments during what action |
|
Definition
|
|
Term
| the fibrous hoods attach to which parts of the phalange |
|
Definition
|
|
Term
| what attaches to the fibrous hoods? |
|
Definition
| lumbricals, interosseous muscles |
|
|
Term
| the digitial extensors are effective at which joints only |
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Definition
|
|
Term
| the lumbricals are supported by what |
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Definition
|
|
Term
| the lumbricals extend at which joint |
|
Definition
|
|
Term
| the thenar muscles are innervated by what |
|
Definition
| recurrent branch of median nn |
|
|
Term
| what are the thenar muscles |
|
Definition
| abductor flexor pollicis brevis, opponens pollicis |
|
|
Term
| when the median nn reaches the hand, what are its spinal levels |
|
Definition
|
|
Term
| the origin for the thenar muscles are |
|
Definition
| flexor retinaculum, adjacent carpals |
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|
Term
| thenar muscles insertion: abductor and flexor pollicis brevis |
|
Definition
| proximal phalanx of thumb |
|
|
Term
| thenar muscles insertion: opponens pollicis |
|
Definition
| lateral side of 1st metacarpal |
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|
Term
| action of abductor pollicis brevis |
|
Definition
| abduction, movement away from palm |
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|
Term
| action of the flexor pollicis brevis |
|
Definition
| flexion, movement across palm |
|
|
Term
| action of opponens pollicis |
|
Definition
| opposition, folding palm and medial rotation of metacarpal 1 to touch thumb to little finger |
|
|
Term
| what are the hypothernar muscles |
|
Definition
| abductor, flexor, and opponens digiti minimi |
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|
Term
| innervation of the hypothenar muscles |
|
Definition
|
|
Term
| flexor and opponens digiti minimi: origin |
|
Definition
| flexor retinaculum, hooke of hamate |
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|
Term
| abductor digiti minimi origin |
|
Definition
|
|
Term
| abductor and flexor digiti minimi insertion |
|
Definition
|
|
Term
| opponens digiti minimi insertion |
|
Definition
| medial side of 5th metacarpal |
|
|
Term
| actions of flexor digiti minimi |
|
Definition
|
|
Term
| the palmaris brevis lies _______ to hypothenar muscles |
|
Definition
|
|
Term
| palmaris brevis mm origin |
|
Definition
|
|
Term
| palmaris brevis mm insertion |
|
Definition
| skin of hypothenar eminence |
|
|
Term
|
Definition
| tendons of flexor digitorum profundus |
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|
Term
| lumbrical muscles insertion |
|
Definition
| lateral sides of digital extensor expansions of digits II thur V |
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|
Term
| the lumbrical muscles are present on what fingers |
|
Definition
|
|
Term
| lumbricals 1 & 2 innervation |
|
Definition
|
|
Term
| lumbrical 3&4 innervation |
|
Definition
|
|
Term
| spinal levels for nerves of lumbricals |
|
Definition
|
|
Term
|
Definition
| extension at PIP and DIP, flexion at MCP |
|
|
Term
| the lumbrical muscles extend where |
|
Definition
|
|
Term
| the lumbrical muscles flex where |
|
Definition
|
|
Term
| the interosseous muscles are innervated by what |
|
Definition
|
|
Term
| what are teh names of the 2 sets of the interosseous muscles |
|
Definition
|
|
Term
| interosseous muscles origin |
|
Definition
|
|
Term
| the palmar interosseous muscles insert where |
|
Definition
| axial surfaces of 2, 4, 5 proximal phalanges |
|
|
Term
| the doral interosseous muscles insert where |
|
Definition
| external surfaces of digits 2, 3, 4 |
|
|
Term
| which phalange has 2 doral interosseous muscles |
|
Definition
|
|
Term
| palmar interosseous muscles actions |
|
Definition
| adduction of digits II, IV, V |
|
|
Term
| actions of dorsal interosseous muscles |
|
Definition
| abduction of digits II, III, IV |
|
|
Term
| what ligaments restrict abduction with a tight fist |
|
Definition
| collateral ligaments of MCP joints |
|
|
Term
| adductor pollicis transverse head origin |
|
Definition
|
|
Term
| adductor pollicis oblique head origin |
|
Definition
|
|
Term
| adductor pollicis insertion |
|
Definition
| medial side of proximal phalanx of thumb |
|
|
Term
| adductor pollicis innervation |
|
Definition
|
|
Term
| adductor pollicis actions |
|
Definition
|
|
Term
| what are the arteries of the palms |
|
Definition
| ulnar, radial, palmar arches |
|
|
Term
| the ulnar artery enters on what side of the hand |
|
Definition
|
|
Term
| the ulnar artery is deep to what structures |
|
Definition
| flexor carpi ulnaris tendon, palmaris brevis mm |
|
|
Term
| the ulnary artery passes across the flexor retinaculum next to the pisiform bone with what else |
|
Definition
|
|
Term
| the ulnar artery is a major contributor to what |
|
Definition
|
|
Term
| the deep branch of the ulnar artery contributes to what |
|
Definition
|
|
Term
| the radial artery transverses what feature |
|
Definition
|
|
Term
| the radial artery transveres the anatomical snuff box to where |
|
Definition
|
|
Term
| the radial artery pierces what to form the deep palmar arch |
|
Definition
| first dorsal interosseous mm |
|
|
Term
| the radial artery pierces the first doral interosseous mm to form what |
|
Definition
|
|
Term
| the superficial branch of the radial artery feeds what |
|
Definition
|
|
Term
| the palmar arches branch to where |
|
Definition
|
|
Term
| cutaneous ulnar nn supplies what part of the hand |
|
Definition
| pinky, half of ring finger, adjacent dorsal and palmar surfaces |
|
|
Term
| deep branch of the ulnar nn supplies what |
|
Definition
| lumbricals 3&4, interossei, adductor pollicis, hypothenar mm |
|
|
Term
| median nerve passes how to tendon of palmaris longus |
|
Definition
|
|
Term
| the recurrent branch of the median nn supplies what |
|
Definition
|
|
Term
| the muscular branches of the median nn innervate what |
|
Definition
|
|
Term
| the superficial branches (digitals) of median nn supply what |
|
Definition
| skin of thumb, pointer, middle, and half of ring finger, skin of lateral palm |
|
|
Term
| the radial nn supplies what |
|
Definition
| skin of lateral half of dorsum and thumb |
|
|
Term
| the radial nn has what spinal levels in the hand |
|
Definition
|
|
Term
| which nerve has no motor branches in the hand |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| the wrist joint is stabilized by what |
|
Definition
| radial and ulnar collateral ligaments |
|
|
Term
|
Definition
|
|
Term
| the wrist joint is what type of joint |
|
Definition
|
|
Term
| the wrist joint is a condyloid type joint mostly between the radius and what else |
|
Definition
| lunate & scaphoid of carpus |
|
|
Term
| what articulates with the articular disc of ulnar head |
|
Definition
|
|
Term
| the triquetrum articulates with what |
|
Definition
| articular disc of ulna head |
|
|
Term
| the wrist joint permits what kind of movement |
|
Definition
| flexion, extension, radial/ulnar deviation |
|
|
Term
| which side of the wrist has greater clearance |
|
Definition
|
|
Term
| hand infection are accompanied by ______ lymph node involvement |
|
Definition
|
|
Term
| the lymph vessels will be marked by what as a result of hand infections |
|
Definition
|
|
Term
|
Definition
| pressure on the median nn results in pain and parasthea in the median nn distribution, weakness and atrophy in the thenar eminence |
|
|
Term
|
Definition
| tendonitis of the thenar outcroup |
|
|
Term
|
Definition
| fibrosis of the palmar aponeurosis, causing fingers 4&5 to partially flex at MCP and PIP joints |
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