What is the neuroanatomic cause of extensor rigidity in the forelimbs of a cat with Schiff-Sherrington syndrome?
A - Brachial plexus trauma
B - Polyradiculoneuritis of peripheral nerve sheaths at cervical intumescence
C - Interruption of inhibitory neuron input from lumbar spinal cord
D - Subdural white matter compression at C6-T3
E - Damage to thoracic spinocerebellar tracts in superficial white matter
answer/C
