When a horse begins underperforming without an obvious injury, the cause is often hidden in the musculoskeletal system. Subtle changes like hesitation on turns, difficulty adjusting stride, or resistance to engage can be early indicators of joint discomfort—especially in the stifles. The stifle joint is responsible for flexion, propulsion, and balance through transitions and variable terrain. When inflammation sets in, horses may struggle to push from behind or maintain rhythm through deeper foo