Pathological Reflexes Flashcards
When do pathological reflexes start to receed?
Once myelin is complete then we are able to get messages from the brain down from long tracts, diminishing pathological reflexes @ ~ 6 months old
What is the segmental the spinal tract associated with all pathological reflexes?
corticospinal tract
Which pathological reflex test is performed by a sharp forcible flick by the Dr’s thumb against the patients middle or index finger?
Hoffmann sign
What is seen with a positive hoffmann’s sign?
Flexion of the fingers and adduction of the thumb (CLAWING)
What does a positive hoffmann’s sign indicate?
UMNL above C5 in the corticospinal tract
How is the Tromner sign tested?
Tap the volar surface of the middle finger
What is seen in a positive tromner sign?
flexion of the fingers and adduction of the thumb (CLAWING)
What is indicated by a postitive tromner sign?
UMNL above C5 in the corticospinal tract
In what pathological reflex test do you tap the ball of the foor or tap the tips of the toes?
Rossolimo sign of the foot
What is seen with a positive rossolimo sign of the foot?
Plantar flexion of the toes
What does a positive rossolimo sign of the foot indicate?
UMNL
What is seen with a normal babinski sign?
plantar flexion of toes and foot
What is seen with an abnormal babinski sign?
dorsiflexion of the great toe and flaring of the other toes
what is indicated with a abnormal babinski reflex?
UMNL
What pathological reflex test is performed by stroking the lateral malleolus from heel to toe?
Chaddock sign
What does a normal response to chaddocks sign look like?
No motion of toes and foot
What does an abnormal response to chaddock’s sign look like?
dorsiflexion of great toe and flaring of the other toes
What does an abnormal chaddocks sign mean?
there is an UMNL
What pathological reflex is performed by stroking the anterior tibial surface from superior to inferior?
Oppenheim sign
What is the normal response to the oppenheim sign reflex test?
No motion of toes and foot
What is an abnormal response to the oppenheim sign reflex test?
dorsiflexion of great toe and flaring of the other toes
What does an abnormal response to oppenheim sign mean?
UMNL
What pathological reflex test is performed by squeezing the calf?
Gordon Sign
What is the normal pathological reflex response to gordon sign?
no motion of toes and foot
