UE Flashcards
UE: Wrist & Hand
RCJ - type, attach (1.3), nerve (2), action
DRUJ - type, nerve (2), action
intercarpal - type, nerve (3)
CMCJ - type (2)
IPJ - type
MCPJ - type, palmar ligament, deep transverse metacarpal ligament, collateral ligament
MCP x CMC
RCJ
- condyloid, radius x scaphoid lunate triquetrum
- nerve: ant & pos interroseous
- FLEX/EXT ABD/ADD
DRUJ
- pivot, PRO/SUP
- nerve: ant & pos interroseous
ICJ
- plane joint
- nerve: ant & pos interroseous, ulnar
MCPJ
- condyloid
- palmar ligament, DTML (keep heads together), collateral (at sides)
- CMCJ: 1st (saddle), 2nd-5th (plane)
- IPJ: hinge
MCP x CMC
- 1st MCP: trapezium
- 2nd MCP: trapezium, trapezoid, capitate
- 3rd MCP: capitate
- 4th MCP: capitate, hamate
- 5th MCP: hamate
UE: Wrist & Hand
flexor retinaculum - purpose, med (2) lat (2) inf (1)
palmar aponeurosis - shape, purpose, attach (1)
ext retinaculum - med (2) lat (1), purpose, contents (6G)
FLEXOR RETINACULUM
- convert concave surface into carpal tunnel
- med (pisiform hamate), lat (scaphoid trapezium), inf (PA)
PALMAR APONEUROSIS
- triangle, strenghten grip, attached to FR
EXT RETINACULUM
- med (pisiform hamate), lat (radius)
- convert into tunnel
- 1st compartment (APL EPB), 2nd (ECRL ECRB), 3rd (EPL), 4th (EI EDC), 5th (EDM), 6th (ECU)
UE: Wrist & Hand
structures in anterior (1), pos (3)
CTS content (4)
snuffbox - med (1) lat (1), content (3)
pulley - annular which vital (2) + injured (1) + for + where, cruciate where + for
- structures in ant: ulnar
- in pos: basilic, cephalic, radial
- CTS: FDP FDS FPL median
- snuffbox: med (compartment 3), lat (compartment 1); radial a., scaphoid, cephalic v.
PULLEY SYSTEM
annular ligament
- vital: A2 & A4, injured: A1
- prevent bowstringing; at PIP DIP
cruciate ligament
- C1 between A2&3, prevent sheath collapse
UE: Wrist & Hand - Clinical
klumpke - patho, structure, sx (1)
medial winging - MOI (3), structure + muscle
lateral winging - structure + muscle
median nerve - pass what ligament where, anterior interroseous palsy sx (1)
ulnar nerve - guyon between what, cubital tunnel sx (2)
klumpke
- lower brachial plexus lesion (C8-T1)
- sx: claw hand
medial winging
- MOI: overhead, compression, scapular fx
- serratus ant & long thoracic n.
lateral winging
- traps & CN11
median nerve
- struther ligament at medial epi
- ant interroseous palsy = can’t ok
ulnar nerve
- canal of guyon: between pisiform & hamate
- cubital tunnel = benedict, froment
UE: Elbow
articulation of (4)
HUJ - type, action
MCL - shape, from to, ant & pos bundle (from to)
LCL - shape, from to
annular ligament - where
cubital fossa - where, shape, content (3), sup med lat roof floor (2)
- articulation of capitulum, trochlea, coronoid process, trochlear notch
- HUJ: hinge joint, FLEX/EXT
MCL
- triangle, from med epi to ulna
- ant bundle (med epi to coronoid process), pos bundle (med epi to olecranon)
LCL
- triangle, from lat epi to radial head
annular ligament
- in ulna’s radial notch since around head
cubital fossa
- ant elbow, triangle
- sup (line between epicondyles), med/floor (pronator teres & brachialis), lat/floor (brachioradialis & supinator), roof (bicipital aponeurosis)
- content (med to lat): median nerve, brachial artery into ulanr & median, biceps
UE: Elbow
nerve - lat/med/pos cutaneous (root)
ant compartment - artery (3), ulnar artery (enter 2 + palpate), radial artery (enter + palpate), nerve
lat compartment - nerve (1), artery (2)
pos - nerve (1), artery (1)
- lat cutaneous (from musculocutaneous), med cutaneous (from brachial plexus), pos cutaneous n. (from radial)
ANTERIOR COMPARTMENT
- artery: brachial (ulnar radial)
- ulnar artery: enter pos compartment at med epi & flexor retinaculum, palpate lat to pisiform
- radial artery: enter ant compartment above lat epi, palpate between brachioradialis & FCR
- nerve: median, ulnar
LATERAL COMPARTMENT
- artery: brachial, radial
- nerve: radial
POSTERIOR COMPARTMENT
- nerve: pos interosseous
- artery: common interosseous (ant & pos)
UE: Shoulder
quadrangular space - sup (3) inf (1) med (1), content (2)
triangular space - sup (1) inf (1) lat (1), content (1)
triangular interval - where, sup (1) lat (1) med (1), content (2)
muscles - forward (1), back (2), elev (4), dep (2)
QUADRANGULAR SPACE
- sup (subscap teres minor capsule) inf (teres major) med (long head triceps)
- content: axillary n., humerus circumflex a.
TRIANGULAR SPACE
- at side of quad space
- sup (teres minor) inf (teres major) lat (long head triceps)
- content: scapula circumflex a.
TRIANGULAR INTERVAL
- below quad space
- sup (teres major) lat (lat head triceps) med (long head triceps)
- content: radial n., profunda brachii a.
MUSCLES
- forward: serratus ant
- back: traps, rhomboids
- elev: traps, rhomboids, SCM, levscap
- dep: pecs minor, subclavius
UE: Shoulder - Joints
GHJ - unstable d/t, type, capsule reinforcement, nerve (2); GHL, transverse humeral, coracohumeral, coracoacromial (purpose); foramen of weitbrecht (where & medical significance), foramen of rouvier (where)
GLENOHUMERAL JOINT
- unstable since not whole shit is in fossa; ball & socket
- capsule reinforced by rotator cuff muscles
- nerve: axillary & suprascapular n.
- GHL: reinforce capsule from ant
- transverse humeral ligament: connects 2 tuberosities to hold biceps tendon
- coracohumeral/coracoacromial: capsule reinforce above
- foramen of weitbrecht: between sup & med GHL; dislocation spot
- foramen of rouvier: between med & inf GHL
UE: Shoulder - Joints
SCJ - action, type, nerve (2), SCL (purpose), coracoclavicular lig
ACJ - type, nerve (1), action, ACL & CCL (purpose)
STJ - action
suprahumeral space - purpose, between
STERNOCLAVICULAR JOINT
- protraction; plane
- nerve: supraclavicular & subclavian n.
- SCL: reinforce capsule
ACROMIOCLAVICULAR JOINT
- clavicle elev/dep, scapular rotation; plane
- nerve: suprascapular n.
- ACL: reinforce capsule
- CCL: suspends weight of upper limb & scapula while clavicle moves
SCAPULOTHORACIC JOINT
- scapula elev/dep
SUPRAHUMERAL SPACE
- without this shoulder can’t move
- between humeral head & acromioclavicular
UE: Shoulder
erb duchenne - patho, eti, structure, nerve (4), sx (1)
ant compartment
- brachial artery: root, become (2)
- musculocutaneous: pass (3), supply
- median nerve: where
erb duchenne
- upper brachial plexus lesion; C5-C6
- eti: displaced contralateral humerus & depressed ipsilateral clavicle
- nerve: subclavius, musculocutaneous, axillary, suprascapular
- sx: waiter’s tip deformity (ADD IR elbow EXT)
ANT COMPARTMENT
- brachial artery: from axillary artery, become ulnar & radial
- musculocutaneous: pass coracobrachialis brachialis biceps; supplies lat cutaneous forearm
- median nerve: beside brachial artery
