APPLIED RADIOLOGICAL ANATOMY

ANATOMY

NEURORADIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
reflex in which the toes curl upward when the plantar surface (sole) of the foot is stimulated; also called Babinski reflex
A
deep tendon reflexes (DTRs)
B
carotid endarterectomy
C
Babinski sign
D
positron emission tomography (PET)
Explanation: 

Detailed explanation-1: -Babinski sign occurs when stimulation of the lateral plantar aspect of the foot leads to extension (dorsiflexion or upward movement) of the big toe (hallux). Also, there may be fanning of the other toes. This suggests that there is been spread of the sensory input beyond the S1 myotome to L4 and L5.

Detailed explanation-2: -The Babinski reflex occurs after the sole of the foot has been firmly stroked. The big toe then moves upward or toward the top surface of the foot.

Detailed explanation-3: -The abnormal plantar reflex, or Babinski reflex, is the elicitation of toe extension from the “wrong” receptive field, that is, the sole of the foot. Thus a noxious stimulus to the sole of the foot produces extension of the great toe instead of the normal flexion response.

Detailed explanation-4: -The Babinski reflex, also called the Babinski sign or plantar reflex, is an automatic reflex in the foot in response to stimulation. Joseph Babinski, a French neurologist, first documented the reflex in 1896. Testing for the Babinski reflex involves stroking the sole of the foot and assessing the response in the toes.

Detailed explanation-5: -The Plantar reflex position. When pressure is applied to the top of the sole of the foot, the toes will curl.

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