14 results
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
Spinal Cord Injury ... Finger Flexion ... #SpinalCord #Injury ... #differential #diagnosis ... #Neurology #Spine
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
upper motor neuron injury ... The Hoffmann's reflex ... holding the middle finger ... Abnormal #clinical #video ... #neurology #physicalexam
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
flexor reflex) ... indicating cervical injury ... clinical #hand #video ... physicalexam #msk #orthopedics ... #neurology #sports
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
spinal artery injury ... bladder and rectal reflex ... #Syndromes #diagnosis ... symptoms #msk #orthopedics ... #neurology
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
The middle finger ... indicative of injury ... #Clinical #Video ... PhysicalExam #Neurology ... #Reflex
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
consisting of finger ... Video by Mujtaba ... #neurology #clinical ... #video #physicalexam ... #orthopedics #msk
Boyes' Test - Flexor Digitorum Superficialis Finger Examination

Evaluate the injured finger for flexion.
Inability to flex the
Evaluate the injured ... Inability to flex ... Video via @open_michigan ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
the pupillary reflex ... very sensitive diagnostic ... afferent pathway injury ... Pupillary #Defect #Neurology ... #Clinical #Video
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... , T1 (median) Reflexes ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
ring and little finger ... where the index finger ... and thumb do not flex ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics