Anatomy Review
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31 Terms
Distal interphalangeal joint (DIP)
Proximal interphalangeal joint (PIP)
Metacarpophalangeal joint (MCP)
Carpometacarpal joint (CMC)
Interphalangeal joint (IP)
3 palmar creases
distal transverse crease
proximal palmar crease
thenar crease
Distal transverse crease
Proximal palmar crease
Thenar crease
Carpal tunnel
Radiocarpal joint
Distal radioulnar joint
Thenar eminence
Hypothenar eminence
Ulnar styloid
Radial styloid
What makes up the hypothenar eminence
abductor digiti minimi
flexor digiti minimi brevis
opponens digiti
palmaris brevis
What makes up the thenar eminence
opponens pollicis
abductor pollicis brevis
flexor pollicis brevis
What makes up the carpal tunnel
median nerve
4 flexor digitorum superficialis tendons
4 flexor digitorum profundus tendons
1 flexor pollicis longus tendon
Extensor hood
Lateral bands
Lumbricals
Flexor digitorum profundus
Flexor digitorum superficialis
Pulleys
Central slip
Lumbrical tendons are attached to the...
extensor hood
Extensor hood is where...
intrinsic and extrinsic tendons come together and split off
Why are the palmar creases important?
they allow the skin on your hands to fold and stretch properly when you make a fist or pick up objects
Action of the lumbricals
Flex at MCP, extend at DIP and PIP
The central slip tendon is apart of the...
extensor hood