The DDF tendon splits at the proximal aspect of the fetlock joints and runs toward the palmar aspect of the FJ, between the corresponding tendon of the SDF and the interosseous muscles (IM).

"On a hind fetlock joint he got an infection in the bone.

Having established himself as a very bright jumping recruit with a Grade 3 victory at Navan in November 2003, the six-year-old found his novice campaign cut short after having to undergo treatment to remove a cancerous growth on a fetlock joint. Happily, the cancer hadn't spread and the Banjo Syndicate-owned horse made a full recovery, returning to the track in May.

In newborn calves, contraction or shortening of flexor tendons results in knuckling of fetlock joint frequently and carpal joint rarely.

Grandouet, as short as 6-1 for the two-mile crown, underwent surgery for an infected near-hind fetlock joint on Tuesday night, and Henderson said yes terday: "He will not run in the Champion Hurdle - you can't go into a race of this calibre with an interrupted preparation." ?FINGAL BAY, 4-1 favourite for the Neptune Investment Management Novices' Hurdle at Cheltenham, is a doubt for the Festival.

Henderson said: "He had a bit of surgery last night to flush an infected hind fetlock joint and he could still make it."

The unbeaten six-year-old, who was last seen winning the Christmas Hurdle at Sandown by 12 lengths, has sprained her off-fore fetlock joint and will definitely miss the AIG Europe Champion Hurdle at Leopards-town on January 29.

Murphy said: "She has sprained her off-hind fetlock joint. She will definitely miss the Irish Champion Hurdle but we don't know yet how long she will be out."

The six-year-old has been ruled out of her next intended run in the AIG Europe Champion Hurdle at Leopardstown on January 29 after spraining her off-hind fetlock joint.

The six-year-old punctured a fetlock joint during the Pertemps 'Fighting Fifth' Hurdle at Newcastle last time out when second to Arcalis on soft ground.

The gelding sustained a dislocation of the near-hind fetlock joint and a ruptured ligament on the outside of the joint and his racing career looked over.

A piece of bone had been chipped off the lower part of his left fetlock joint and, much more seriously, he had ripped off one of the two collateral ligaments that hold the two bones together.

Digital flexor tendon sheath (DFTS) tenosynovitis is often characterized by effusion within the sheath and possibly heat and tenderness of DFTS around the fetlock joint (Bertone, 2011).