Equine dorsal neck muscles

Rhomboideus origin

Nuchal and dorso-scapular ligaments from C2-T8

Rhomboideus insertion

Medial scapula cartilage

Rhomboideus function

Draws the scapula dorsally and cranially

Elevates the neck

Rhomboideus nerve innervation

Local thoracic and cervical nerves

Serratus ventralis cervicis origin

TPs of C4-C7

Serratus ventralis cervicis insertion

Scapular cartilage and facies serrata of the scapula

Serratus ventralis cervicis function

Suspends trunk, raises neck when limb is fixed, may support inspiration

Serratus ventralis cervicis nerve innervation

Ventral branches of local cervical nerves

Trapezius origin

Nuchal and supraspinous ligaments from C2-T10

Trapezius insertion

Thoracic - dorsal 1/3 of scapula spine

Cervical - entire scapula spine

Trapezius function

Elevates the shoulder, draws scapula craniodorsally and caudodorsally

Trapezius nerve innervation

Dorsal branch of accessory nerve