Knuckles' Treadmill Obsession

A rare condition means Knuckles can't gain extra weight — but his love for the treadmill helps him stay healthy and active in the most adorable way.

Reviewed by Bark & Whiskers

Jun 25, 2025

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Meet Knuckles, the cat who insists on six treadmill sessions a day — at exactly 1.4 miles per hour. With a rare condition that limits weight gain, this quirky routine keeps him healthy and full of energy.

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