CHT Exam Review UPDATED
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Terms in this set (269)
Keinbock's Lunate AVN
disease
AVN of scaphoid
Proximal scaphoid has less
vasculature. Prox fx 6 wk immob.
Preiser's Disease
Scaphoid nonunion advanced
collapse wrist may occur w
scaphoid fx
Moving origins
Lumbricals Lumbricle 3&4: ulnar nerve
Lumbricle 1&2: median nerve
, O: trapezium n transverse carpal lig
Inserts along the body of the first
Opponens
metacarpal and rotates the thumb
pollicis
medially
N: recurrent branch of median nerve
Addicts the thumb, index, ring, small
Volar interossei fingers
Ulnar nerve
Adducts thumb to palm, gives
power for grasping, inserts into
Adductor
extensor mechanism to assist the IP
pollicis
joint of the thumb to O deg of ext
Strongest intrinsic muscles
Inserts on the medial or lateral
aspects of the proximal phalanx into
Interossei the lateral band of extensor
mechanism
Ulnar nerve innervation
Abductor digiti Increases span of grasp and assists
minimi w flexion of the 5th MCP joint
, Originates from trapezium &
transverse carpal ligaments and
Abductor
inserts on proximal phalanx &
pollicis brevis
extensor mechanism of thumb helps
extend IPJ to 0deg ext
Palmaris brevis Wrinkles skin of ulnar side of palm
Opponens digiti Rotates n draws 5th MC anteriorly
minimi
Assists with thumb adduction and
1st dorsal
plays a significant role in writing and
interossei
typing
W MCP extension ligament is loose,
MCP collateral
w MCP flexion is tighten prevents
ligament
lateral shift of digits during flexion
Bordered by teres minor superiorly,
teres major inferiorly, humerus
Quadrangular
laterally, tricep medially, axillary
space
nerve and posterior circumflex
artery pass thru this
Flexor pronator muscle tendon
Steindler
transfer to promote elbow flexion.
procedure
due to c5c6 brachial plexus injury.
ACTUAL Exam Questions and
CORRECT Answers
Save
Terms in this set (269)
Keinbock's Lunate AVN
disease
AVN of scaphoid
Proximal scaphoid has less
vasculature. Prox fx 6 wk immob.
Preiser's Disease
Scaphoid nonunion advanced
collapse wrist may occur w
scaphoid fx
Moving origins
Lumbricals Lumbricle 3&4: ulnar nerve
Lumbricle 1&2: median nerve
, O: trapezium n transverse carpal lig
Inserts along the body of the first
Opponens
metacarpal and rotates the thumb
pollicis
medially
N: recurrent branch of median nerve
Addicts the thumb, index, ring, small
Volar interossei fingers
Ulnar nerve
Adducts thumb to palm, gives
power for grasping, inserts into
Adductor
extensor mechanism to assist the IP
pollicis
joint of the thumb to O deg of ext
Strongest intrinsic muscles
Inserts on the medial or lateral
aspects of the proximal phalanx into
Interossei the lateral band of extensor
mechanism
Ulnar nerve innervation
Abductor digiti Increases span of grasp and assists
minimi w flexion of the 5th MCP joint
, Originates from trapezium &
transverse carpal ligaments and
Abductor
inserts on proximal phalanx &
pollicis brevis
extensor mechanism of thumb helps
extend IPJ to 0deg ext
Palmaris brevis Wrinkles skin of ulnar side of palm
Opponens digiti Rotates n draws 5th MC anteriorly
minimi
Assists with thumb adduction and
1st dorsal
plays a significant role in writing and
interossei
typing
W MCP extension ligament is loose,
MCP collateral
w MCP flexion is tighten prevents
ligament
lateral shift of digits during flexion
Bordered by teres minor superiorly,
teres major inferiorly, humerus
Quadrangular
laterally, tricep medially, axillary
space
nerve and posterior circumflex
artery pass thru this
Flexor pronator muscle tendon
Steindler
transfer to promote elbow flexion.
procedure
due to c5c6 brachial plexus injury.
