Your horse’s back has two very important functions that affect his performance under saddle – the ability to support the rider’s weight and to move driving energy forward from the hindquarters. How well he achieves either of these functions depends upon the spinal posture of his back and the strength of his deep back and abdominal muscles. A less technical, and probably more familiar, description is “putting your horse in a frame” or getting your horse to “frame up.”

The term “frame” refers to your horse’s spinal posture from poll to croup – the shape that’s created by his topline (the spine and muscles along his withers, back and loins) along with the position of his neck and head. The correct posture is a slightly convex arc through the thoracic lumbar area of the spine (the area that supports the saddle and the rider). The ability to lift his back to create this slight arc relies upon a chain of muscles in his neck, back, abdomen and hindquarters.

A good frame is developed by the action of the hind legs reaching further under the body, which requires the abdominal muscles to work harder and the back to lift. The development of stronger back, abdominal and hindquarter muscles, therefore, is created by effective engagement of the hindquarters.

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