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.
Besides vomiting, signs of stomach upset in cats include discomfort in the abdomen, depression, hiding or retching. Stomach upset/vomiting is among the top five conditions for which insurance claims are filed for cats (VPI, 2013). Many cats seem to vomit or go off their food for no apparent reason. But stomach upset is a sort of catchall symptom for the myriad potential causes of vomiting or loss of appetite in cats.