03/15/2026
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The SDFT experiences some of the highest strain of any tendon, and one of the most common sources of lameness in racing and training, affecting nearly 30% of Thoroughbred racehorses 🐎🦵
The superficial digital flexor tendon (SDFT) works closely with the suspensory ligament to support the fetlock and manage the intense forces placed on the forelimb during movement. Together, they act as key energy-storing structures, stretching and recoiling with each stride to improve efficiency and absorb impact. The lateral digital extensor tendon, while not a primary weight-bearing structure, also plays an important supporting role by assisting with limb positioning and coordination during the stride.
Understanding how these structures work together highlights just how finely balanced the equine limb is, and why managing load, conditioning, and recovery is so critical for long-term soundness and performance.