Knoxville, TN (WBIR) -- A 7-year-old Siamese from Knoxville is using an underwater treadmillat University of Tennessee's College of Veterinary Medicine to loseweight.

Elmo weighed 24.5 pounds when he started the aquatic treatment inJanuary. Doctors hope to lower the cat's weight to 12.5 pounds. Theybelieve the process will take one year.

Elmo was adopted by his current owners who were unaware Elmo had ahip injury as a kitten. His owners believe the injury caused Elmo to beless active and gain the extra pounds.

Watch an interview with Elmo's parents and doctor in the video clip above.

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