Page 287 - Canine Lameness

Median and ulnar C8, T1, T2 Flexors of carpus and Flexion of the Caudal aspect of Withdrawal reflex Little gait abnormality, slight
digits carpus and antebrachium, palmar (flexion of carpus sinking of the carpus
the digits aspect of paw, and and digits) Loss of carpal flexion on flexor
lateral aspect of fifth reflex
digit Partial loss of pain perception
of the palmar surface of the
foot and caudal medial
antebrachium (distal third)
Lateral thoracic C8, T1 Cutaneous trunci muscle Cutaneous Respective dermatome Cutaneous trunci Absent ipsilateral cutaneous
muscle of the to each spinal nerve reflex trunci reflex
trunk Normal sensory evaluation
Sympathetic a T1, T2, T3 Dilator pupillae, orbitalis Dilation of None Pupillary light Miosis, ptosis, enophthalmos,
membrana nictitans, and the pupil reflex and presence and protrusion of third eyelid
ciliary muscle of Horner syndrome
The major spinal cord segments that contribute to the nerve are underlined.
a The sympathetic nerve is included since it travels along the roots of the brachial plexus, but it is not considered part of the brachial plexus.

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