Figure 1: Lateral view of the left thoracic limb with the following structures: (a) the accessory ligament of the deep digital flexor tendon (carpal check ligament), (b) the deep digital flexor tendon, (c) the superficial digital flexor tendon, (d) the accessory ligament of the superficial digital flexor tendon (radial check ligament), (e) the suspensory ligament, and (f) the common digital extensor tendon.