unit 2 Flashcards
transverse humoral ligament
runs across intertubercular sulcus
keeps LH biceps in place
separated shoulder
acromioclavicular ligament
piano key
coracoclavicular + acromioclavicular ligament rupture
ligament glides clavicle during rotation
trapezoid
ligament prevents vertical clavicle displacement
conoid
RCL resists
varus
UCL resists
valgus
nursemaid elbow
oblique cord rupture or radial head slippage from the ANULAR LIGAMENT
quadrangular space contents and borders
axillary nerve + posterior circumflex humeral artery
surgical neck of humerus, teres major, teres minor, LH triceps
triangular space contents and borders
circumflex scapular vein/artery
teres major, teres minor, LH triceps
triangular interval contents and borders
deep profunda artery + radial nerve
shaft of humerus, LH triceps, teres MAJOR
brachial plexus in named in relation to ________
axillary artery
brachial plexus goes between which 2 scalenes
anterior and middle
ligament of suprascapular notch + what can it entrap
superior transverse scapular ligament
entraps suprascapular nerve
early phase scapulohumeral rhythm
0-30*
2:1 GH:ST
mid phase scapulohumeral rhythm
30-120*
1:1 GH:ST
late phase scapulohumeral rhythm
120-180*
2/3:1 GH:ST
degrees from just glenohumeral joint in scapulohumeral rhythm
120*
degrees from just scapulothoracic joint in scapulohumeral rhythm
60*
posterior wall of axilla contents
lat
subscap
teres major
3 things to cause thoracic outlet syndrome
1st rib/clavicle
pec minor
cervical rib
popeye
proximal biceps tear of LH
dermatome issues present on one side or both sides of the hand
BOTH
what extensor is the only one that DOESN’T attach to the common extensor tendon? Where does it attach
ECRL
supraepicondylar ridge
3 muscles that attach to the coronoid process
brachialis
pronator teres
flexor digitorum superficialis
3 muscles that attach to the coracoid process
coracobrachialis
SH biceps
pec minor
cubital fossa contents (lateral to medial)
biceps tendon
brachial artery
median nerve
cubital fossa borders (floor, med, lat)
brachialis and supinator = floor
pronator teres = medial
brachioradialis = lateral
what nerve is in the cubital tunnel
ulnar
which bursa can squish the supraspinatus
subacromial bursa
where does the TFCC attach
triangular fibrocartilage complex (TFCC) attaches on ulnar styloid and triquetrum
what 2 carpal bones does the distal radius articulate with
lunate
scaphoid
anatomical snuffbox borders and contents (floor and what travels through)
borders: APL/EPB + EPL
through: radial artery
floor: scaphoid + trapezium
what type of joint is the carpometacarpal joint and what movements can it do
basilar or saddle joint
flex/extend
ab/adduct
superficial extensors (5)
ECRL
ECRB
ED
EDM
ECU
deep extensors (2)
supinator
Extensor Indicis
outcropping extensors (3)
APL
EPB
EPL
superficial flexors (3)
pronator teres
FCR
FCU
intermediate flexor
FDS
deep flexors (3)
FDP
FPL
pronator quadratus
tennis vs golfers elbow location
tennis = lateral
golfers = medial
tennis elbow tendons
ECRB
ECRL
mallet finger
torn terminal tendon
DIP flexion
swan neck
volar plate injury
DIP flexion + PIP hyperextension
boutonniere
central slip, volar PIP dislocation, RA
PIP flexion + DIP hyperextension
(opposite of swan neck)
guyon’s canal contents and borders
ulnar artery/nerve
pisiform/hook of hamate
10 tendons of carpal tunnel
FDS
FDP
FPL
FCR
dequervians
1st compartment: APL, EPB
“texting thumb”, “new mothers”
colles fracture
dorsal displacement of distal radius
smith fracture
volar displacement of distal radius
scaphoid fracture location
proximal
part can become necrotic
2 muscles that attach to pisiform
abductor digiti minimi
flexor carpi ulnaris
3 muscles that attach to hook of hamate
FCU
Flexor digiti minimi
opponens digiti minimi
dual innervation muscles of the UE
FDP
Lumbricals
Flexor pollicis brevis
bowstring happens at
A2/4
trigger finger happens at
A1
boxers fracture happens at
5th metacarpal neck below the knuckle
only muscle with “longus” that does not attach to the distal phalanx
abductor pollicis longus
3 muscles that attach to FDP
PAD
DAB
Lumbricals
hand of benediction (bishop’s)
ACTIVE DEFORMITY
medial nerve
first 3 digits straighten and 4/5 bend when trying to make a fist
claw hand nerve
ulnar nerve
wrist drop nerve
radial
tests for medial nerve
“OK” sign
phalens test
tests for radial nerve
thumbs up
wrist extension
tests for ulnar nerve
fingers crossed
finger ab/adduction
tinel’s test
tap nerve to see irritation or not
inferior trunk injury mechanism + what spinal levels are most affected
ARM pulled away from body
C8/T1 (hands/fingers)
superior trunk injury mechanism + what spinal levels are most affected
head pulled away from body
C5/6 (shoulder area)
intrinsic plus
MCP flexion
intrinsic minus
MCP hyperextension
what muscle does sock puppet
lumbricals
RA attacks which extensor compartment
4th (extensor digitorum)
dupuytren’s contracture
abnormal thickening of palmar aponeurosis
PERMINANTLY STUCK