Musculus sacrocaudalis ventralis medialis
Depresses the tail ventrally (pulls it down). The most medial ventral tail muscle.
Origin: Ventral surfaces of sacral and caudal vertebrae
Insertion: Ventral caudal vertebrae
Action: Depresses the tail ventrally
Innervation: Caudal (coccygeal) spinal nerves
Asymmetric tail carriage or inability to depress the tail may indicate unilateral nerve damage.
Asymmetric tail carriage or inability to depress the tail may indicate unilateral nerve damage. Signs include: Tail deviates to one side at rest; asymmetric tail swishing; may indicate sacral fracture, nerve root compression, or localized muscle damage.
See the Sacrocaudalis Ventralis Medialis on our interactive 3D horse model. Open 3D Model