13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Syndrome Wrist drop ... nerve in the radial ... Myotomes #diagnosis #neurology ... #sensory #motor
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... #Radial #Nerve ... #PhysicalExam #clinical ... #orthopedics #msk ... #sports #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Neuropathy - Foot drop ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... #sensory #motor
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Levels Spinal Root Sensory ... Motor Reflex C4 ... Respiration None C5 Radial ... #diagnosis #Neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... and intrinsic motor ... and thumb do not flex ... compression but will also ... #neurology #orthopedics
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... The first motor ... When clinically ... involve a wrist drop ... #Nerve #Anatomy
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... Sensory loss below ... bladder and rectal reflex ... signs #symptoms #msk ... #orthopedics #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... radicular symptoms, motor ... gait, strength, reflexes ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Trauma, Tumor • Motor ... Nerves: ALS, Cervical ... Weakness #Causes #differential ... #diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... threat Cranial Nerves ... horizontal movements; also ... /Sensory: • Tone ... #PhysicalExam #neurology