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Peripheral Nervous System and Neurologic Exam - Question 6
Absent reflexes are most characteristic of:
 
Peripheral Nervous System and Neurologic Exam - Question 2
Which of the following is not a disease process within the peripheral nervous system
 
Peripheral Nervous System and Neurologic Exam - Question 1
Which of the following is not considered part of the peripheral nervous system
 
Electromyography and Neuromuscular Disorders - Chapter 2 Quiz - Question 1
Which of the following is not considered part of the peripheral nervous system
 
EMG Findings 01
In the needle EMG study shown in the video above, the finding of motor unit action potentials that are large, long, and polyphasic would be most consistent with which of the following
 
Upper extremity muscle function and innervation 04
During a needle EMG of the upper extremity, you notice a large number of fibrillations in the pronator teres muscle while the patient is at rest. From this, you deduce that the patient has a lesion. Of the following options, which lesion is most compatible with the EMG findings
 
Upper extremity muscle function and innervation 04
During a needle EMG of the upper extremity, you notice a large number of fibrillations in the pronator teres muscle while the patient is at rest. From this, you deduce that the patient has a lesion. Of the following options, which lesion is most compatible with the EMG findings
 
Upper extremity muscle function and innervation 03
During a needle EMG of the upper extremity, you notice a large number of fibrillations in the first dorsal interosseous muscle while the patient is at rest. From this, you deduce that the patient has a lesion. Of the following options, which lesion is most compatible with the EMG findings
 
Upper extremity muscle function and innervation 03
During a needle EMG of the upper extremity, you notice a large number of fibrillations in the first dorsal interosseous muscle while the patient is at rest. From this, you deduce that the patient has a lesion. Of the following options, which lesion is most compatible with the EMG findings
 
Upper extremity muscle function and innervation 02
During a needle EMG, you notice a large number of fibrillations in the abductor pollicis brevis muscle while the patient is at rest. From this, you deduce that the patient has a lesion. Of the following options, which lesion is most compatible with the EMG findings
 
Upper extremity muscle function and innervation 02
During a needle EMG, you notice a large number of fibrillations in the abductor pollicis brevis muscle while the patient is at rest. From this, you deduce that the patient has a lesion. Of the following options, which lesion is most compatible with the EMG findings
 



Online Course Content



Semitendonosus
Muscle Name: semitendonosusAKA:† musculus semitendinosusAbbreviation: STSpinal Nerve Roots:† † L4† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † sciatic nerve (tibial division)Proximal Attachment:† ischial tuberosityDistal Attachment:† Medail surface...
 
Semimembranosus
Muscle Name: semimembranosusAKA:† musculus semimembranosusAbbreviation: SMSpinal Nerve Roots:† † L4† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † sciatic nerve (tibial division)Proximal Attachment:† Ischial tuberosityDistal Attachment:† Medail...
 
Rectus Femoris
Muscle Name: rectus femorisAKA: †Abbreviation: RFSpinal Nerve Roots:† † L2† † L3† † L4Plexus:† † lumbar plexusNamed Nerves:† † femoral nerveProximal Attachment:† Anterior inferior iliac spine and the acetabulumDistal Attachment:† Patellar tendonAction: Knee...
 
Peroneus Longus
Muscle Name: peroneus longusAKA:† musculus peroneus longusAbbreviation: PLSpinal Nerve Roots:† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † superficial peroneal nerve† † common peroneal nerve† † sciatic nerveProximal Attachment:† Distal Attachment:†...
 
Iliacus
Muscle Name: iliacusAKA:† musculus iliacusAbbreviation: IPSpinal Nerve Roots:† † L2† † L3† † L4Plexus:† † lumbar plexusNamed Nerves:† † femoral nerveProximal Attachment:† Iliiac fossaDistal Attachment:† Lesser trochanter of the femurAction: Flexion of the...
 
Gluteus Maximus
Muscle Name: gluteus maximusAKA: †musculus gluteus maximusAbbreviation: GMAXSpinal Nerve Roots:† † L5† † S1† † S2Plexus:† † lumbosacral plexusNamed Nerves:† † inferior gluteal nerveProximal Attachment:† ††† Gluteal surface of ilium, lumbar fascia, sacrum,...
 
Gluteus Medius
Muscle Name: gluteus mediusAKA: musculus gluteus medius Abbreviation: GMEDSpinal Nerve Roots:† † L4† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † superior gluteal nerveProximal Attachment:† The gluteal surface of the ilium, deep to the gluteus maximus...
 
Gastrocnemius - Medial Head
Muscle Name: gastrocnemius - medial headAKA: †Abbreviation: MGSpinal Nerve Roots:† † S1† † S2Plexus:† † lumbosacral plexusNamed Nerves:† † tibial nerve† † sciatic nerveProximal Attachment:† Medial condyle of the femur.Distal Attachment:† CalcaneusAction: Plantar flexes the foot and flexes the knee...
 
Gastrocnemius - Lateral Head
Muscle Name: gastrocnemius - lateral headAKA: †Abbreviation: LGSpinal Nerve Roots:† † S1† † S2Plexus:† † lumbosacral plexusNamed Nerves:† † tibial nerve† † sciatic nerveProximal Attachment:† Lateral condyle of the femurDistal Attachment:† CalcaneusAction: Plantar flexes the foot and flexes the knee...
 
Flexor Digitorum Longus
Muscle Name: flexor digitorum longusAKA: †Abbreviation: FDLSpinal Nerve Roots:† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † tibial nerve† † sciatic nerveProximal Attachment:† Posterior surface of the tibia.Distal Attachment:† Base of the distal phalanges of digits 2, 3, 4 and 5...
 
Extensor Hallucis Longus
Muscle Name: extensor hallucis longusAKA:† musculus extensor hallucis longusAbbreviation: EHLSpinal Nerve Roots:† † L4† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † deep peroneal nerve† † common peroneal nerve† † sciatic nerveProximal Attachment:†...
 
Biceps Femoris - Short Head
Muscle Name: biceps femoris - short headAKA: †Abbreviation: BF-SHSpinal Nerve Roots:† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † sciatic nerve (peroneal division)Proximal Attachment: Lateral edge of the linea aspera and the upper portion of the supracondylar line...
 
Biceps Femoris - Long Head
Muscle Name: biceps femoris - long headAKA:† musculus biceps femoris longusAbbreviation: BF-LHSpinal Nerve Roots:† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † sciatic nerve (tibial division)Proximal Attachment:† ischial tuberosity and lenea aspera...
 
Adductor Longus
Muscle Name: adductor longusAKA: †Abbreviation: ALSpinal Nerve Roots:† † L2† † L3† † L4Plexus:† † lumbar plexusNamed Nerves:† † obturator nerveProximal Attachment:† pubic crestDistal Attachment:† into the mid lenea aspera between the adductor magnus and the...
 
Extensor Digitorum Brevis
Muscle Name: extensor digitorum brevisAKA:† musculus extensor digitorum brevisAbbreviation: EDBSpinal Nerve Roots:† † L4† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † deep peroneal nerve† † common peroneal nerve† † sciatic nerveProximal Attachment:†...
 
Abductor Hallucis Brevis
Muscle Name: abductor hallucis brevisAKA:† musculus abductor hallucisAbbreviation: AHBSpinal Nerve Roots:† † S1† † S2Plexus:† † lumbosacral plexusNamed Nerves:† † medial plantar nerve† † tibial nerve† † sciatic nerveProximal Attachment:† Tuberosity of the...
 
Abductor Digiti Quinti Pedis
Muscle Name: abductor digiti quinti pedisAKA:† Abductor digiti minimi pedis, Abductor minimi digiti, Abductor digiti quinti, musculus abductor digiti minimi pedisAbbreviation: ADQPSpinal Nerve Roots:† † S1† † S2Plexus:† † lumbosacral plexusNamed Nerves:† †...
 
Tensor Fasciae Latae
Muscle Name: tensor fasciae lataeAKA: †Abbreviation: TFLSpinal Nerve Roots:† † L4† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † superior gluteal nerveProximal Attachment:† Distal Attachment:† Action: ...Needle Insertion: ...Activation for EMG:† Pitfalls:† Notes: †
 
Vastus Lateralis
Muscle Name: vastus lateralisAKA: †Abbreviation: VLSpinal Nerve Roots:† † L2† † L3† † L4Plexus:† † lumbar plexusNamed Nerves:† † femoral nerveProximal Attachment:† Distal Attachment:† Action: ...Needle Insertion: ...Activation for EMG:† Pitfalls:† Notes: †
 
Spinal Nerve Roots
Choose A Spinal Segment:† Cervical:† † C1† † C2† † C3† † C4† † C5† † C6† † C7† † C8† Thoracic:† † T1† † C2† † C3† † C4† † C5† † C6† † C7† † C8† † C9† † C10† † C11† † C12† Lumbar:† † L1† † L2† † L3† † L4† † L5† Sacral:† † S1† † S2† † S3† † S4† † S5
 
Tibialis Anterior
Muscle Name: tibialis anteriorAKA: †Abbreviation: TASpinal Nerve Roots:† † L4† † L5Plexus:† † lumbosacral plexusNamed Nerves:† † deep peroneal nerve† † common peroneal nerve† † sciatic nerveProximal Attachment:† Distal Attachment:† Action: ...Needle Insertion: ...
 
Extensor Digitorum Longus
Muscle Name: extensor digitorum longusAKA:† musculus extensor digitorum longusAbbreviation: EDLSpinal Nerve Roots:† † L4† † L5††† S1 Plexus:† † lumbosacral plexusNamed Nerves:† † deep peroneal nerve† † common peroneal nerve† † sciatic nerveProximal Attachment:†...
 
Flexor Hallucis Brevis
Muscle Name: flexor hallucis brevisAKA:† musculus flexor hallucis brevisAbbreviation: FHBSpinal Nerve Roots:† † S1† † S2Plexus:† † lumbosacral plexusNamed Nerves:† † medial plantar nerve† † tibial nerve† † sciatic nerveProximal Attachment:† lantar surface...
 
Soleus
Muscle Name: soleusAKA: †Abbreviation: SOLSpinal Nerve Roots:† † S1† † S2Plexus:† † lumbosacral plexusNamed Nerves:† † tibial nerve† † sciatic nerveProximal Attachment:† Distal Attachment:† Action: ...Needle Insertion: ...Activation for EMG:† Pitfalls:† Notes: †
 
Tibialis Posterior
Muscle Name: tibialis posteriorAKA: †Abbreviation: TPSpinal Nerve Roots:† † L5† † S1Plexus:† † lumbosacral plexusNamed Nerves:† † tibial nerve† † sciatic nerveProximal Attachment:† Distal Attachment:† Action: ...Needle Insertion: ...Activation for EMG:† Pitfalls:† Notes: †
 
Vastus Medialis
Muscle Name: vastus medialisAKA: †Abbreviation: VMSpinal Nerve Roots:† † L2† † L3† † L4Plexus:† † lumbar plexusNamed Nerves:† † femoral nerveProximal Attachment:† Distal Attachment:† Action: ...Needle Insertion: ...Activation for EMG:† Pitfalls:† Notes: †
 
Sternocleidomastoid
Muscle Name: sternocleidomastoidAKA:†† Abbreviation: SCM Spinal Nerve Roots:Brachial Plexus Trunks: NABrachial Plexus Cords: NA† †† Named Nerves: Accessory nerve† † † Proximal Attachment:†† Distal Attachment:†† Action:† † Needle Insertion:††† Activation for EMG:† † Pitfalls: †Notes:† ††
 
Serratus Anterior
Muscle Name: serratus anteriorAKA:†† Abbreviation: †Spinal Nerve Roots:† † C5† † C6† † C7Brachial Plexus Trunks: NABrachial Plexus Cords:† NANamed Nerves:† † long thoracic nerve Proximal Attachment:†† Surface of the upper 8 ribs.Distal Attachment:†† Costal aspects of the medial margin of the scapula...
 
Rhomboid
Muscle Name: RhomboidAKA:†† musculus rhomboideus majorAbbreviation: †Spinal Nerve Roots:† † C4† † C5Brachial Plexus Trunks: NABrachial Plexus Cords: NA††† Named Nerves: dorsal scapular nerve Proximal Attachment:†† Spinous processes of the T2 to T5 vertebraeDistal...
 
Triceps
Muscle Name: tricepsAKA:† musculus triceps brachiiAbbreviation: †Spinal Nerve Roots:† † C6† † C7† † C8Brachial Plexus Trunks:† † upper trunk† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment:...
 
Pectoralis Major
Muscle Name: pectoralis majorAKA:†† Musculus pectoralis majorAbbreviation: †Spinal Nerve Roots:† † C5 † † C6 † † C7† † C8† † T1 Brachial Plexus Trunks:† † upper trunk† † middle trunk† † lower trunkBrachial Plexus Cords:† † medial cord † † lateral cord Named Nerves:† † medial pectoral nerve† (a...
 
Latissimus Dorsi
Muscle Name: latissimus dorsi AKA:†† musculus latissimus dorsiAbbreviation: †Spinal Nerve Roots:† †† C6 † †† C7 † †† C8 Brachial Plexus Trunks:† † upper trunk† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † Thoracodorsal...
 
Infraspinatus
Muscle Name: InfraspinatusAKA:†† Abbreviation: †Spinal Nerve Roots: ††† C5† † C6Brachial Plexus Trunks: upperBrachial Plexus Cords:† NANamed Nerves: suprascapular nerve† † † Proximal Attachment:†† infraspinous fossa of the scapulaDistal Attachment:†† middle...
 
Cervical Paraspinal Muscles
Muscle Name: cervical paraspinal musclesAKA:†† Abbreviation: †Spinal Nerve Roots:† †† † † † Innervated by the dorsal rami of the corresponding spinal level.Brachial Plexus Trunks: NABrachial Plexus Cords: NA† †† Named Nerves: NA† † † Attachment: Attachments vary depending on depth of muscle...
 
Trapezius
Muscle Name: trapeziusAKA:†† Abbreviation: †Spinal Nerve Roots:† †† † † † Brachial Plexus Trunks:Brachial Plexus Cords:† †† Named Nerves:† † † Proximal Attachment:†† Distal Attachment:†† Action:† † Needle Insertion:††† Activation for EMG:† † Pitfalls: †Notes:††††
 
Teres Minor
Muscle Name: teres minorAKA:† Abbreviation: †Spinal Nerve Roots:† † C5† † C6Brachial Plexus Trunks:† † upper trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † axillary nerveProximal Attachment:†† Distal Attachment:†† Action:† † Needle Insertion:††† Activation for EMG:† † Pitfalls: †Notes:†††
 
Supraspinatus
Muscle Name: supraspinatusAKA:†† Abbreviation: †Spinal Nerve Roots:† †† † † † Brachial Plexus Trunks:Brachial Plexus Cords:† †† Named Nerves:† † † Proximal Attachment:†† Distal Attachment:†† Action:† † Needle Insertion:††† Activation for EMG:† † Pitfalls: †Notes:† ††
 
Pronator Quadratus
Muscle Name: pronator quadratusAKA:† musculus pronator quadratusAbbreviation:† PQSpinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † medial cord† † lateral cordNamed Nerves:† † median nerve†...
 
Biceps Brachii
Muscle Name: biceps brachiiAKA: musculus biceps brachii Abbreviation:† BBSpinal Nerve Roots:† † C5† † C6Brachial Plexus Trunks:† † upper trunkBrachial Plexus Cords:† † lateral cordNamed Nerves:† † musculocutaneous nerveProximal Attachment:† coracoid process of the scapula...
 
Supinator
Muscle Name: supinatorAKA:† Musculus supinatorAbbreviation: †Spinal Nerve Roots:† † C6† † C7Brachial Plexus Trunks:† † upper trunk† † middle trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment:† Lateral epicondyle...
 
First Dorsal Interosseous
Muscle Name: first dorsal interosseousAKA: †Abbreviation:† FDISpinal Nerve Roots:† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † ulnar nerveProximal Attachment:† metacarpal bone.Distal Attachment:† proximal phalanx on the first digit...
 
Flexor Pollicis Brevis
Muscle Name: flexor pollicis brevisAKA:† musculus flexor pollicis brevisAbbreviation: FPB Spinal Nerve Roots:† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † median nerve† † ulnar nerveProximal Attachment:†...
 
Flexor Digitorum Profundus To Digit 5
Muscle Name: flexor digitorum profundus to digit 5AKA:† musculus flexor digitorum profundus Abbreviation:† FDP5Spinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † ulnar nerveProximal...
 
Flexor Digitorum Profundus To Digit 4
Muscle Name: flexor digitorum profundus to digit 4AKA:† musculus flexor digitorum profundus Abbreviation:† FDP4Spinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † ulnar nerveProximal...
 
Flexor Digitorum Profundus To Digit 2
Muscle Name: flexor digitorum profundus to digit 2AKA:† musculus flexor digitorum profundusAbbreviation:† FDP2Spinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † median nerveProximal...
 
Flexor Digitorum Profundus To Digit 3
Muscle Name: flexor digitorum profundus to digit 3AKA:† musculus flexor digitorum profundusAbbreviation:† FDP3Spinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † median nerveProximal...
 
Flexor Carpi Ulnaris
Muscle Name: flexor carpi ulnarisAKA:† musculus flexor carpi ulnarisAbbreviation:† FCRSpinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † ulnar nerveProximal Attachment:† medial epicondyle...
 
Flexor Carpi Radialis
Muscle Name: flexor carpi radialisAKA:† musculus flexor carpi radialisAbbreviation:† FCRSpinal Nerve Roots:† † C6† † C7Brachial Plexus Trunks:† † upper trunk† † middle trunkBrachial Plexus Cords:† † lateral cordNamed Nerves:† † median nerveProximal Attachment:†...
 
Extensor Pollicis Longus
Muscle Name: extensor pollicis longusAKA:† musculus extensor pollicis longusAbbreviation:† EPLSpinal Nerve Roots:† † C7† † C8Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal...
 
Extensor Pollicis Brevis
Muscle Name: extensor pollicis brevisAKA:† musculus extensor pollicis brevisAbbreviation:† EPBSpinal Nerve Roots:† † C7† † C8Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal...
 
Extensor Indicis
Muscle Name: extensor indicisAKA:† musculus extensor indicisAbbreviation:† EIPSpinal Nerve Roots:† † C7† † C8Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment:† ulnaDistal...
 
Extensor Digitorum Communis
Muscle Name: extensor digitorum communis AKA:† musculus extensor digitorumAbbreviation:† EDCSpinal Nerve Roots:† † C7† † C8Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment:†...
 
Extensor Carpi Ulnaris
Muscle Name: extensor carpi ulnarisAKA:† musculus extensor carpi ulnarisAbbreviation:† ECUSpinal Nerve Roots:† † C7† † C8Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment:†...
 
Extensor Carpi Radialis Longus
Muscle Name: extensor carpi radialis longusAKA: †Abbreviation: †Spinal Nerve Roots:† † C5† † C6† † C7Brachial Plexus Trunks:† † upper trunk† † middle trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment:† Lateral supracondylar...
 
Deltoid
Muscle Name: deltoidAKA:†musculus deltoideusAbbreviation: †Spinal Nerve Roots:† † C5† † C6Brachial Plexus Trunks:† † upper trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † axillary nerveProximal Attachment:† clavicle, acromion, spine of the scapulaDistal...
 
Viral Infections
The most common causes of viral meningitis in the U.S. are nonpolio enteroviruses (coxsackie and echovirus), which often occur in summer and early fall. Infection is by the fecal-oral route, with primary viral replication in the GI and upper respiratory tracts...
 
Bacterial Infections
Meningitis means inflammation of the meninges, usually (but not necessarily) due to infection. Although inflammation may selectively involve the dura (pachymeningitis), it more commonly affects the pia and arachnoid membranes (leptomeningitis). Because the...
 
Tumors III: Non-glial tumors
Meningiomas are the most common extraparenchymal neoplasms affecting the CNS, accounting for approximately 20% of intracranial tumors. They occur predominantly in middle to late adult life, and tend to involve the cerebral convexity, parasagittal region, sphenoid ridge or spinal cord...
 
Brachioradialis
Muscle Name: brachioradialisAKA:† musculus brachioradialisAbbreviation: †Spinal Nerve Roots:† † C5† † C6Brachial Plexus Trunks:† † upper trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment: Lateral supracondylar ridge...
 
Anconeus
Muscle Name: anconeusAKA:  musculus anconeusAbbreviation:  Spinal Nerve Roots:    C6    C7    C8Brachial Plexus Trunks:    upper trunk    middle trunk    lower trunkBrachial Plexus Cords:    posterior cordNamed Nerves:    radial nerveProximal...
 
Anconeus
Muscle Name: anconeusAKA:  musculus anconeusAbbreviation:  Spinal Nerve Roots:    C6    C7    C8Brachial Plexus Trunks:    upper trunk    middle trunk    lower trunkBrachial Plexus Cords:    posterior cordNamed Nerves:    radial nerveProximal...
 
Anconeus
Muscle Name: anconeusAKA:† musculus anconeusAbbreviation: †Spinal Nerve Roots:† † C6† † C7† † C8Brachial Plexus Trunks:† † upper trunk† † middle trunk† † lower trunkBrachial Plexus Cords:† † posterior cordNamed Nerves:† † radial nerveProximal Attachment:†...
 
Abductor Digiti Minimi
Muscle Name: abductor digiti minimiAKA:† musculus abductor digiti minimi manusAbbreviation:† ADMSpinal Nerve Roots:† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † ulnar nerveProximal Attachment:† pisiformDistal...
 
A few words about Bacterial Meningitis
Meningitis means inflammation of the meninges, usually (but not necessarily) due to infection. Although inflammation may selectively involve the dura (pachymeningitis), it more commonly affects the pia and arachnoid membranes (leptomeningitis). Because the...
 
Viral Encephalitis
A. Herpes Simplex Virus Type 1 Encephalitis 1. Pathogenesis HSV-1 encephalitis is the most common cause of acute sporadic encephalitis in the U.S. It typically causes lip and mouth lesions (herpes labialis and stomatitis). Note the distinction from HSV-2,...
 
Opponens Pollicis
Muscle Name: opponens pollicisAKA: †Abbreviation: †Spinal Nerve Roots:† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † median nerveProximal Attachment: Trapezium and transverse carpal ligament.Distal Attachment:†...
 
Abductor Pollicis Brevis
Muscle Name: abductor pollicis brevisAKA: †Abbreviation: APBSpinal Nerve Roots:† † C8† † T1Brachial Plexus Trunks:† † lower trunkBrachial Plexus Cords:† † medial cordNamed Nerves:† † median nerveProximal Attachment: Transverse carpal ligament, the scaphoid...
 
Flexor Digitorum Superficialis
Muscle Name: flexor digitorum superficialisAKA:† Flexor digitorum sublimisAbbreviation:† FDSSpinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † medial cord† † lateral cordNamed Nerves:† † median...
 
Pronator Teres
Muscle Name: pronator teresAKA: †Abbreviation: †Spinal Nerve Roots:† † C6† † C7Brachial Plexus Trunks:† † upper trunk† † middle trunkBrachial Plexus Cords:† † lateral cordNamed Nerves:† † median nerveProximal Attachment: Humeral head: medial epicondyle of...
 
Flexor Pollicis Longus
Muscle Name: flexor pollicis longusAKA: †Abbreviation:† FPLSpinal Nerve Roots:† † C7† † C8† † T1Brachial Plexus Trunks:† † middle trunk† † lower trunkBrachial Plexus Cords:† † medial cord† † lateral cordNamed Nerves:† † anterior interosseous nerve † † median...
 
Leptomeningeal gliomatosis in a patient with brainstem glioma, gross photograph of cauda equina (image)

 
Medulloblastoma, leptomeningeal dissemination, ventral surface of spinal cord. (image)

 
Tuberculous meningitis, ventral surface of brain (image)

 



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