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47 Cards in this Set

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Firmly attached to the proximal phalanges and loosely united to metacarpals
Palmar Ligaments
during this action, the palmar ligaments slide up and down along the palmar surface of metacarpals
flexion and extension
unite the palmar ligaments at metacarpal phalanges jts
deep transverse ligiments
anterior to the deep tranverse ligaments
lumbricals
posterior to the deep tranverse ligaments
interossei
inserted into deep tranverse ligaments
extensor expansions
tightne in flexion and loose in extension
collateral ligament jts.
thickening of deep fascia on palm
palmar aponeurosis
Fibrosis and contracture of palmar aponeurosis which leads to flexion of digits at mcp jts. and ip jts.
Dupuytren's contracture
the muscles of ______ are the following:
Thenar eminence
adbuctor pollicis brevis
flexor pollicis brevis opponens pollicis
adductor pollicis
Mucsles of________ are the following:
hypothenar eminence
palmaris brevis
abductor digiti minimi
flexor digiti brevis
opponens digiti minimi
Muscles of _______ are the following:
central compartment
interossei
lumbricals
adductor pollicis
tendons of FDS and FDP
FDP

FDS
flexor digitorium superficialis

flexor digitorium profundus
ring and little finger affected by this
Dupuytren"s contracture
three grps of intrinsic muscles
thenar eminence
hypothenar eminence
central compartment
median nerve invert what muscles in thumb
flexor
opponen
short abductor
ulnar nerve invert what muscles of the thumb
adductor
deep head of FPB(flexor pollicis brevis)
radial nerve invert what muscles of the thumb
long extensor
long abductor
test radial nerve of forearm
extension
test median nerve of forearm
opposition
test ulnar nerve of forearm
adduction
located between metacarpals,
determined by function
interossei
three palmar adductors
four dorsal abductors
interossei
arise from tendons of FDP
lumbricals
travel on lateral side of four medial digits and attached into the extensor expansions
lumbricals
flex mcp jts and extend ip joint (only when the mcp jts are extended by the extensor digitorum
lumbricals
the ip jts are extended by extensor digitorum
when mcp jts are flexed by lumbricals and interossei
flexed by flexor digitorium profundus
distal interphanlenges jts
flexed only after middle phalanges flexed
distal interphalanges
DIP
flexed by FDS
proximal interphalanges
PIP
weak flexor of mcp jts only when PIP are fully flexed
FDS
flexed by lumbricals and interossei
MCP jts
abduct and adduct digits
interossei
flex MCP and extend the IP, only when the MCP are extended by extensor digitorum
Lumbricals and interossei
extend MCP and IP jts, not simultaneously but one at a time.
extensor digitorium
when MCP jts extended by this, the IP joints are extended by these.
Extensor digitorium
lumbricals and interossei
hypertension of MCP
claw hand
if lumbricals and interossei paralyzed,the mCP jts extened and the IP jts flexed
claw hand
phalanges adducted in _______ and abducted in _______ because the MCP are arranged in an ________
flexion
extension
arc convex dorsal
supraclavicular nerves injuries involve
trunks or roots of plexus
infraclavicular injuries involve
cords or peripheral nerves
a fracture of ____ may injure this
clavicle
brachial plexus
can be caught in callous formation
supraclavicular nerve
injured by cold or electric shock (superficial)
long thoracic nerve
may be entrapped in suprascapular notch
suprascapular nerve
manipulations to reduce a disloctaion of the humerus can injure
axillary nerve
injured in humeral neck fractures
axillary nerve