PNS: upper limb
PNS: upper limb
PNS: upper limb
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Brachial plexusRoots (ventral rami)C5-T1Trunkssuperior, middle,inferiorDivisionsanterior, posteriorCordsLateral, posterior,anteriorBranches (Nerves)Robert Taylor DrinksCold Beer<strong>PNS</strong> <strong>upper</strong>1
TrunkDivisionRootCord<strong>PNS</strong> <strong>upper</strong>2
SuprascapularDorsalscapularSubclaviusLong thoracic<strong>PNS</strong> <strong>upper</strong>4
Brachial plexus: branchesRoot levellong thoracic n (serratus anterior)dorsal scapular n (rhomboid, levator scapulae)Trunk levelN to subclavius (subclavius)Division levelsuprascapular n (supraspinatus, infraspinatus)<strong>PNS</strong> <strong>upper</strong>5
Brachial plexus:terminal mixed nulnar n (medialcord)Musculocutaneousn (lat cord)axillary n (postcord)radial n. (post cord)median n (lat/medcord)<strong>PNS</strong> <strong>upper</strong>6
Dermatome of<strong>upper</strong> <strong>limb</strong>C3-4: neck, shoulderC5: arm (sup/lat)C6: forearm (lat), thumbC7: 2-4 fingersC8: 4-5 fingersT1: forearm (middle)T2: arm, axillary<strong>PNS</strong> <strong>upper</strong>7
Peripheral nerve territory of <strong>upper</strong> <strong>limb</strong>sHand/FingerUlnarRadialMedian<strong>PNS</strong> <strong>upper</strong>8
Dermatome and Sensory nerveterritoryC8Medial antebrachialcutaneous nerveUlnar nerveC8 dermatomeUlnar territory<strong>PNS</strong> <strong>upper</strong>9
Median nerveBrachialarteryMainly C6-T1; medialto brachial arterySensory fibers:cutaneous andarticular branchesMotor fibersFlexors of wristto thenar muscles<strong>PNS</strong> <strong>upper</strong>10
Median N: motorAbduction/oppositionof thumbabductor policisbrevisopponents policisPronation of forearmPronator teresFlexion of handFlexor muscles ofwrist and fingers<strong>PNS</strong> <strong>upper</strong>11
Flexor retinaculum / Carpal tunnel<strong>PNS</strong> <strong>upper</strong>13
Median nerve lesion at wrist<strong>PNS</strong> <strong>upper</strong>14
Median nerve palsyAtrophy of thenarmusclesWeakness of thumbopposition; onlyflexion/extension(ape hand)<strong>PNS</strong> <strong>upper</strong>15
Ulnar nerveMainly C7-T1Sensory fibers:cutaneous and articularbranchesMotor fibersFlexors of wrist andfingersIntrinsic handmuscles<strong>PNS</strong> <strong>upper</strong>16
Ulnar nerve:motor functionsFlexion of wrist (ulnar side)Flexor carpi ulanrisFlexion of 4 th , 5 th fingersFlexor digitoriumprofundus (FPF)Abduction of index finger1 st dorsal interosseous<strong>PNS</strong> <strong>upper</strong>17
Ulnar nerve lesion<strong>PNS</strong> <strong>upper</strong>18
Ulanr nerve palsyLesion at the elbow:“clawhand”Atrophy of hypothenarmuscleWeakness: flexor of 4 th ,5 th fingersReduced sensation: 4 th ,5 th fingers<strong>PNS</strong> <strong>upper</strong>19
Radial nervefrom post. Cordvs. axillary nervelesionfor muscles of posteriorcompartmentElbow extensionTriceps brachiiWrist extensionFinger extension<strong>PNS</strong> <strong>upper</strong>20
Radial nerve<strong>PNS</strong> <strong>upper</strong>21
Radial nerve palsySaturday night palsy, Honeymoon palsy<strong>PNS</strong> <strong>upper</strong>22
Change language