15 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Conditions Erb's Palsy ... Saturday night palsy ... #sensory #motor ... #arm #physicalexam
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... impaired (loss of sensory ... ) Where: Optic nerve ... * (main cause), ... neuritis due to MS
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... sleeping as in this case ... #clinical #video ... #orthopedics #msk ... #sports #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... grip weakness caused ... #video #neurology ... #physicalexam #msk ... orthopedics #sports #hand
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... dysaesthesia, neurogenic ... #sensory #motor
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
time, and can cause ... present in the video ... The nerves involved ... are trigeminal and ... #neurology
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 ... the hand. 3) Now ... Abnormal #clinical #video
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
In this case, the ... suggest oculomotor nerve ... palsy. ... anisocoria #clinical #video ... #physicalexam #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... Pupils: • Anisocoria ... brainstem Motor/Sensory ... Decorticate posturing: Arms ... Casey Albin MD @
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... /or genital sensory ... - Emergency Causes ... sensory disturbances ... #neurology