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Extrinsic Thoracic1
Actions of extrinsic muscles of thoracic limb
| Question | Answer |
|---|---|
| Trapezius | elevate and abduct forelimb |
| Deep pectoral | pull trunk cranially; draw limb caudally, flex shoulder |
| Omotransversarius | flex neck laterally; advance limb |
| Superficial pectoral | Prevent abduction of limb; adduct limb |
| Sternocephalicus | draw head and neck to side; draw head ventrally |
| Serratus ventralis | support trunk against gravity |
| Latissimus dorsi | draw free limb caudally, flex shoulder |
| Brachiocephalicus | draw head and neck to side; advance limb, extend shoulder |
| Rhomboideus | elevate forelimb, draw scapula against trunk |