Term
| what type of skin does the palm of the hand have, how is it arranged and bound |
|
Definition
| thick skin bound to deep fascia by numerous fibrous bands |
|
|
Term
| what is the palmaris brevis, where is it located |
|
Definition
| small superificial muscle over the hyposthenia eminence |
|
|
Term
| what is the origin of the palmaris brevis |
|
Definition
| flexor retinaculum and palmar aponeurosis |
|
|
Term
| what is the insertion of the palmaris brevis |
|
Definition
| skin of medial border of palm |
|
|
Term
| what is the innervation of the palmaris brevis |
|
Definition
| superificial branch of ulnar nerve |
|
|
Term
| what is the action of the palmaris brevis |
|
Definition
| corrugates skin of hyposthenia eminence to improve grip of palm |
|
|
Term
| where is the deep fascia of the palm most thin |
|
Definition
| over the thenar and hyposthenia eminences |
|
|
Term
| where is the deep fascia of the palm the thickest |
|
Definition
| over central area, palmer aopneurosis |
|
|
Term
| what shape is the palmar aponeurosis |
|
Definition
|
|
Term
| where is the apex of the palmar aponeurosis directed |
|
Definition
| proximally to the flexor retinaculum |
|
|
Term
| what inserts into the palmar aponeurosis |
|
Definition
|
|
Term
| how is the base of the palmar aponeurosis directed |
|
Definition
| distally at finger bases, divided into 4 slips |
|
|
Term
| what is the base of the palmar aponeurosis continous with |
|
Definition
|
|
Term
| where do the fibrous flexor sheaths extend to and from |
|
Definition
| metacarpal heads to base of distal phalanges |
|
|
Term
| where do flexor sheaths attach |
|
Definition
|
|
Term
| what do flexor sheaths arch over |
|
Definition
|
|
Term
| how are blind osteofibrous tunnels formed |
|
Definition
| fibrous sheaths with anterior surface of phalanges and interphalangeal joints |
|
|
Term
| what runs through the blind osteofibrous tunnels |
|
Definition
| flexor tendons and synovial sheaths |
|
|
Term
| what is in the osteofibrous tunner of the thumb |
|
Definition
| tendon of the flexor pollics longus |
|
|
Term
| what is in the osteofibrous tunnels of the 4 fingers |
|
Definition
| tendons of the flexor digitorum superificials and profundus |
|
|
Term
| what are the short muscles of the thumb |
|
Definition
| abductor pollicis brevis, flexor pollicis brevis, opponens pollicis, adductor pollicis |
|
|
Term
| what form the thenar eminence |
|
Definition
| abductor pollicis brevis, flexor pollicis brevis, opponens pollicis |
|
|
Term
| where is the abductor pollicis brevis located in relation to the thenar eminence |
|
Definition
| superificial and lateral to it |
|
|
Term
| what is the origin of the abductor pollicis brevis |
|
Definition
| scaphoid, trapezium, and flexor retinaculum |
|
|
Term
| what is the insertion of the abductor pollicis brevis |
|
Definition
| lateral aspect of base of proximal phalanx of thumb |
|
|
Term
| what is the innervation of the abductor pollicis brevis |
|
Definition
| recurrent branch of the median nerve |
|
|
Term
| what is the action of the abductor pollicis brevis |
|
Definition
| abduction of the thumb at the carpometacarpal and metacarpophalangeal joints |
|
|
Term
| where is the flexor pollicis brevis located in relation fo the abductor pollicis brevis |
|
Definition
|
|
Term
| what is the origin of the flexor pollicis brevis |
|
Definition
| flexor reginaculum and trapezium |
|
|
Term
| what is the insertion of the flexor pollicis brevis |
|
Definition
| lateral base of proximal phalanx of thumb forming a common tendon with abductor pollicus brevis |
|
|
Term
| what is in the common tendon of the abductor pollicus brevis and flexor pollicis brevis |
|
Definition
|
|
Term
| what is the innervation of the flexor pollicis brevis |
|
Definition
| recurrent branch of median nerve |
|
|
Term
| what is the action of the flexor pollicis brevis |
|
Definition
| flexion of the thumb at the carpometacarpal and metacarpophyalangeal joints |
|
|
Term
| where is the opponens pollicis located in relation to the abductor pollicis brevis |
|
Definition
|
|
Term
| what is the origin of the opponens pollicis |
|
Definition
| flexor retinaculum and trapezium |
|
|
Term
| what is the insertion of the opponens pollicis |
|
Definition
| lateral border of shaft of 1st metacarpal |
|
|
Term
| what is the innervation of the opponens pollicis |
|
Definition
| recurrent branch of median nerve |
|
|
Term
| what is the action of the opponens pollicis |
|
Definition
|
|
Term
| what is the origin of the the oblique head of the adductor pollicis |
|
Definition
| base of metacarpal 2-3 and adjacent carpal bones |
|
|
Term
| what is the origin of the transverse head of the adductor pollicis |
|
Definition
|
|
Term
| what is the insertion of the adductor pollicis |
|
Definition
| medial aspect of base of proximal phalanx of thumb |
|
|
Term
| what is in the tendon of the adductor pollicis |
|
Definition
|
|
Term
| what is the innervation of the adductor pollicis |
|
Definition
| deep branch of the ulnar nerve |
|
|
Term
| what is the action of the adductor pollicis |
|
Definition
| adduction of the thumb at the carpometacarpal and metacarpophalangeal joints |
|
|
Term
| what are the short muscles of the little finger |
|
Definition
| abductor digiti minimi, flexor digiti minimi brevis, oppnenes digiti minimi |
|
|
Term
| what forms the hyposthenia eminence |
|
Definition
| abductor digiti minimi, flexor digiti minimi brevis, oppnenes digiti minimi |
|
|
Term
| what are the short muscles of the little finger innervated by |
|
Definition
| deep branch of ulnar nerve |
|
|
Term
| where is the abductor digiti minimi located within the hyposthenia eminence |
|
Definition
|
|
Term
| what is the origin of the abductor digiti minimi |
|
Definition
|
|
Term
| what is the insertion of the abductor digiti minimi |
|
Definition
| medial side of the base of the proximal phalanx of the little finger |
|
|
Term
| what is the action of the abductor digiti minimi |
|
Definition
| abduction of the little finger at the matacaopophalangeal joint |
|
|
Term
| what is the location of the flexor digit minimi brevis in reference to the abductor digiti minimi |
|
Definition
|
|
Term
| what is the origin of the flexor digit minimi brevis |
|
Definition
| flexor retinaculum and hook of hamate |
|
|
Term
| what is the insertion of the flexor digiti minimi brevis |
|
Definition
| medial side of base of proximal phalanx of little finger |
|
|
Term
| what is the action og the flexor digit minimi brevis |
|
Definition
| flexion of the little finger at the matacaopophalangeal joint |
|
|
Term
| where is the opponens digiti minimi located in the hyposthenia eminence |
|
Definition
|
|
Term
| what is the origin of the opponens digiti minimi |
|
Definition
| flexor retinaculum and hook of hamate |
|
|
Term
| what is the insertion of the opponens digiti minimi |
|
Definition
| medial border of the shaft of metacarpal 5 |
|
|
Term
| what is the action of the opponens digiti minimi |
|
Definition
| flexion and lateral rotation of the 5th metacarpal at caropmetacarpal joint, helps bring little finger into opposition with the thumb |
|
|
Term
| what are the small muscles of the hand |
|
Definition
| 4 lumbricalis, 3 palmer interossei, 4 dorsal interossei |
|
|
Term
| what do the lumbrical muscles act on |
|
Definition
|
|
Term
| what is the origin of the lumbrical muscles |
|
Definition
| tedons of the flexor digitorum profundus |
|
|
Term
| what is the insertion of the lumbrical muscles |
|
Definition
| lateral extensor expansion of the corresponding finger |
|
|
Term
| what is the innervation of the lumbrical muscles |
|
Definition
1-2: median nerve
3-4 deep branch of ulnar nerve |
|
|
Term
| what is the action of the lumbrical muscles |
|
Definition
| flexion at metacarpophalangeal joints, extension of the interphalangeal joints |
|
|
Term
| what do the palmar interossei muscles act on |
|
Definition
| adduction of the index, ring, and little fingers |
|
|
Term
| what is the origin of the palmar interossei |
|
Definition
| metacarpal of corresponding finger |
|
|
Term
| what is the insertion of the first palmar interossei |
|
Definition
| medial side of base of proximal phalanx of index finger and extensor expansion |
|
|
Term
| what is the insertion of the 2nd and 3rd palmar interossei |
|
Definition
| lateral side of base of proximal phalanx of ring and little finger and extensor expansions |
|
|
Term
| what is the innervation of the palmar interossei |
|
Definition
| deep branch of ulnar nerve |
|
|
Term
| what is the action of the palmar interossei |
|
Definition
| adduction of the metacarpophalangeal joints, flexion at metacarpophalangeal joints, extension at interphalangeal joints |
|
|
Term
| what do the dorsal interossei do in general |
|
Definition
|
|
Term
| what does the dorsal interossei act on |
|
Definition
| index, middle (2 muscles), and ring fingers |
|
|
Term
| what is the origin of the dorsal interossei |
|
Definition
| two heads form adjacent sides of two consecutive metacarpal bones |
|
|
Term
| what is the insertion of the first dorsal interossei |
|
Definition
| lateral side of base of proximal phalanx of index finger, extensor expansion of finger |
|
|
Term
| what is the insertion of the 2nd and 3rd dorsal interossei |
|
Definition
| both sides of base of proximal phalanx of middle finger, extensor expansion of finger |
|
|
Term
| what is the insertion of the 4th dorsal interossei |
|
Definition
| medial side of base of proximal phalanx of ring finger, extensor expansion of finger |
|
|
Term
| what is the innervation of the dorsal interossei |
|
Definition
| deep branch of ulnar nerve |
|
|
Term
| what is the action of the dorsal interossei |
|
Definition
| abduction at metacarpophalangeal joints, flexion at metacapophalangeal joints, extension at interphalangeal joints |
|
|
Term
| where does the ulnar artery enter the hand |
|
Definition
| superificial to the flexor retinaculum |
|
|
Term
| what are the branches of the ulnar artery in the hand |
|
Definition
| deep palmar branch, superificial palmar arch |
|
|
Term
| describe the path of the superificial palmar arch |
|
Definition
| cruves laterally and deep to palmar aponeurosis and superificial to long flexor tendons |
|
|
Term
| what is the superificial palmar arch joined by |
|
Definition
| superificial palmar branch of radial artery |
|
|
Term
| where branches does the superificial palmar arch have |
|
Definition
|
|
Term
| what do the palmar digital arteries supply |
|
Definition
| medial side of index finger and both sides of middle, ring, and little fingers |
|
|
Term
| where does the radial artery leave the dorsum of the hand |
|
Definition
| between two heads of the 1st dorsal interosseous, between two heads of adductor pollicis then to deep palmar arch |
|
|
Term
| as the radial artery enters the palmar arch, what does it give off |
|
Definition
| digital branches for the thumb and lateral index finger |
|
|
Term
| describe the path of the deep palmar arch |
|
Definition
| curves medial and deep to the long flexor tendons |
|
|
Term
| what is the deep palmar arch joined by |
|
Definition
| deep palmar branch of the ulnar artery |
|
|
Term
| what branches does the deep palmar arch gibe off |
|
Definition
| palmar matacrapal arteries |
|
|
Term
| what do the palmar metacarpal arteries join |
|
Definition
| palmar digital branches of the superificial palmar arch |
|
|
Term
| where does the median nerve enter the palm |
|
Definition
|
|
Term
| what does the recurrent branch of the median nerve innervate |
|
Definition
| 3 muscles of the thenar eminence, 1-2 lumbrical muscles |
|
|
Term
| what do the cutanous branches of the median nerve form |
|
Definition
|
|
Term
| what do the palmar digital branches of the median nerve innervate |
|
Definition
| palmar aspect of the lateral 3.5 fingers and distal part of dorsal aspect of same fingers |
|
|
Term
| where does the ulnar nerve enter the hand |
|
Definition
| anterior to the flexor retinaculum |
|
|
Term
| what does the ulnar nerve do right when it enters the hand |
|
Definition
| divides into superificial and deep branches |
|
|
Term
| what does the superificial branch of the ulnar nerve innervate |
|
Definition
|
|
Term
| what does the cuteneous branch of the ulnar nerve innervate |
|
Definition
| palmar aspect of medial 1.5 fingers and distal part of the dorsal aspect of the same fingers |
|
|
Term
| what are the cutaneous branches of the ulnar nerve called |
|
Definition
|
|
Term
| what does the deep branch of the ulnar nerve pass between |
|
Definition
| abductor digit minimi and flexor digit minimi |
|
|
Term
| what does the deep branch of the ulnar nerve pierce |
|
Definition
|
|
Term
| what happens after the deep branch of the ulnar nerve pierces opponents digiti minimi |
|
Definition
| it curves around hook of hamate and passes lateral within concavity of deep palmar arch |
|
|
Term
| what does the deep palmar nerve innervate |
|
Definition
| 3 hyposthenia muscles, all interossei palmar and dorsal, 3-4 lumbrical muscles, adductor pollicis |
|
|
Term
| what provides cutaneous innervation to the lateral 2/3 of the dorsum of the hand |
|
Definition
| superificial branch of radial nerve |
|
|
Term
| what supplies cutanrous innervation to the dorsal aspect of the lateral 3.5 fingers |
|
Definition
| dorsal digital branch of superificial branch of radial nerve |
|
|
Term
| what supplies cutaneous innervation to the medial 1/3 of the dorsum of the hand |
|
Definition
| dorsal cutaneous branch of unlar nerve |
|
|
Term
| what supplies cutanrous innervation to the dorsal part of the medial 1.5 fingers |
|
Definition
| dorsal digital branch of the dorsal cutanrous branch of the ulnar nerve |
|
|
Term
| where do the dorsal digital branches of nerves end |
|
Definition
| not far beyond the proximal phalanges |
|
|
Term
| what is the remainder of the dorsal aspect of each finger innervated by |
|
Definition
|
|
Term
| what is the dorsal venous arch within |
|
Definition
| subcutanous tissue of the dorsum of the hand |
|
|
Term
| where is the dorsal venous arch located |
|
Definition
| proximal to the metacapophalangeal joints |
|
|
Term
| where does the dorsal venous arch drain |
|
Definition
| on lateral side into cephalic vein and medial side into basilic vein |
|
|
Term
| where do seasmoid bones form |
|
Definition
| in tendons in areas of stress |
|
|
Term
| what are examples of locations of seizmoid bones |
|
Definition
|
|
Term
| where is the hypothenar eminence located |
|
Definition
|
|
Term
| where is the thenar eminence located |
|
Definition
|
|
