1 Chair knee extension: Sitting in a chair, rest your foot on another chair so the knee is slightly raised. 2  Gently push the raised knee toward the floor using only leg muscles. 3  Hold for 5 - 10 seconds and release. 4  Repeat 5 times on each leg.
Hematemesis in Cats. Hematemesis, or the vomiting of blood, can affect a wide range of systems, depending on the source. The gastrointestinal system may be affected due to trauma, ulcer, inflammation, or the presence of a foreign object.
Typically, a cat digests a meal within eight hours. If a cat vomits after eating a meal, you'll generally find undigested cat food mixed with mucus. If the cat throws up yellow liquid, the cat's stomach is obviously empty and what you're seeing is bile.