|a2=This horse is suffering from annular ligament syndrome (ALS). The three layers superficial to the flexor tendons are affected in different proportions between individual cases, and the division between the layers can be difficult to identify in some cases. <br><br> | |a2=This horse is suffering from annular ligament syndrome (ALS). The three layers superficial to the flexor tendons are affected in different proportions between individual cases, and the division between the layers can be difficult to identify in some cases. <br><br> |