Following are the components of flexor plantar response
There is flexion of big toe at the metatarsophalangeal joint
All other toes flex and adduct
There is dorsiflexion of the foot
Flexion of the knee
Flexion of the hip
With mild stimulus there is contraction of tensor fascia lata
Stronger stimulus produce contraction of tensor fascia lata + flexion of outer four toes
Still stronger stimulus produce above + flexion of great toe
With still stronger stimulus there is withdrawal of the limb
Components of extensor plantar response
In extensor plantar response there is extension of big toe at the metatarsophalangeal joint
All the other toes fan out
There is dorsiflexion of the foot
Followed by flexion of the knee
flexion of the hip
Following are the causes of Extensor plantar response
It is seen in
Pyramidal tract lesion
Postictal state
Raised intracranial tension
Coma
Infancy
There is flexion of big toe at the metatarsophalangeal joint
All other toes flex and adduct
There is dorsiflexion of the foot
Flexion of the knee
Flexion of the hip
With mild stimulus there is contraction of tensor fascia lata
Stronger stimulus produce contraction of tensor fascia lata + flexion of outer four toes
Still stronger stimulus produce above + flexion of great toe
With still stronger stimulus there is withdrawal of the limb
Components of extensor plantar response
In extensor plantar response there is extension of big toe at the metatarsophalangeal joint
All the other toes fan out
There is dorsiflexion of the foot
Followed by flexion of the knee
flexion of the hip
Following are the causes of Extensor plantar response
It is seen in
Pyramidal tract lesion
Postictal state
Raised intracranial tension
Coma
Infancy
