11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... and Myotomes Motor ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #arm #physicalexam
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 ... Spinal Root Sensory Motor ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... differential #diagnosis #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... #sensory #motor ... #leg #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... #Palsy #PhysicalExam ... #orthopedics #msk ... #sports #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Trauma, Tumor • Motor ... Shellfish poisoning, Meds ... differential #diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... Arms extended; wrists ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose
Moro Reflex on Newborn Physical Exam

The Moro reflex is obtained by holding the baby’s head and
seen in upper motor ... #Moro #Reflex #Peds ... #Pediatrics #Clinical ... #Video #Neurology ... #Normal #PhysicalExam
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... The median nerve ... middle finger. 2) Ask ... clinical #video #neurology ... #PhysicalExam
Galant Reflex on Physical Exam

The Galant reflex is present at birth and remains until the 2nd
Galant Reflex on ... persistent in cases ... #PhysicalExam # ... clinical #video #Neurology ... #Peds #Pediatrics
Reflexes - Deep Tendon Reflexes on Newborn Physical Exam 
Testing deep tendon reflexes is an important
hypotonia and the cause ... is an upper motor ... #Newborn #PhysicalExam ... clinical #video #peds ... #pediatrics