Clinical Evaluation of the Spine and Spinal Cord Flashcards
UMN
Immediate muscle weakness and hypotonia, hyporeflexia or areflexia (“Spinal Shock”)
Followed by spasticity and HYPERreflexia in days to weeks (including extensor plantar response: Babinski’s sign)
SPASTIC PARESIS
LMN
Muscle weakness, hypotonia, hyporeflexia, areflexia are all immediate and long-lasting
FLACCID PARESIS
FASCICULATIONS
ATROPHY
Paresthesia,
An abnormal sensation, can include burning, pricking, tickling, or tingling. Sometimes characterized as “pins and needles”
Myelopathy
Disorder resulting in spinal cord dysfunction
Radiculopathy
Sensory and/or motor dysfunction due to injury to a nerve root.
Myotome,
Muscles innervated by an individual motor root.
Dysesthesia,
Impairment of sensation short of anesthesia
Dermatome,
Cutaneous area served by an individual sensory root.
Hypoesthesia
decreased sensation
Hyperesthesia
excessive sensation
Anesthesia
loss of sensation
Paresthesia
numbness, tingling, burning sensation
Dysesthesia
numbness, tingling, burning sensation, but usually when this is more unpleasant
Paresis
decreased strength
Plegia
complete loss of strength
C5 dermatome
typically covers back of shoulder and lateral arm
C6 dermatome
typically covers thumb, usually second digit too
C7 dermatome
usually covers third digit (middle finger)
T4 dermatome**
nipple line**
T6 dermatome**
xyphoid process**
T10 dermatome**
umbilicus**
L4 dermatome:
Typically kneecap, medial leg
L5 dermatome
dorsum of foot, great toe