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.
Dog Vomiting Blood. Dog vomiting blood or Hematemesis (blood in vomit) refers to the presence of streaks or clots of blood in vomit. A dog throwing up blood may be suffering from a life threatening condition, or it may be due to a nominal secondary cause.auses of Dog Vomiting Blood: Dogs may vomit due to a complex mechanism, controlled by a specialized center in the hind brain. Different factors can trigger a nervous response in the brain which result in nausea, followed by vomiting.