Spinal issues and musculoskeletal disorders can cause your horse's health to quickly deteriorate because they overcompensate in other areas of their body when they are in pain. Here are some indicators that your horse could benefit from an evaluation: Poor performance or discomfort when saddled Lameness, stiffness, back, neck, or tail pain Abnormal Posture/ Changes in posture or topline Difficulty bending to one side or a "hollow topline" Reluctance to pick up or maintain a lead Difficulty engaging the hind end or traveling long & low Head tilt, difficulty chewing Uneven muscle development or atrophy Difficulty flexing at the poll, pulling on one rein Difficulty getting up & down Changes in behavior or attitude