Cold-backed behaviour in horses — bucking and hollowing at the start of ridden work — is frequently a pain or discomfort signal requiring investigation.
Cold-back behaviour illustrates the welfare consequences of dismissing horse behaviour as character flaw rather than communication. The historical framing of cold-back as laziness or stubbornness led to coercive responses — longer spurring, sharper girthing, or punishment of the reluctant behaviour — that addressed the symptom while worsening the underlying cause. Current understanding interprets cold-back as the horse communicating that something is wrong in the first moments of girth tightening and weight loading — a normal warning system for pain that should trigger investigation rather than coercion. The welfare implication is that any horse consistently displaying cold-back behaviour warrants veterinary assessment for gastric ulcers, saddle fit evaluation, and back examination rather than training modifications that override pain signals.