Читать книгу Large Animal Neurology - Joe Mayhew - Страница 25

Tail extension and flexion is evaluated during anal reflex and perineal sensory testing. A strong, blunt‐probe stimulus applied to the anal ring results in a brisk anal contraction and flexion (clamping) of the tail, whereas a light stimulus results in an anal reflex alone, and a soft, tactile stroking stimulus results in tail extension.