2) Place both hands behind shoulder blades and in front on last rib and apply slow steady pressure on ribs. (pawprintsthemagazine.com)
I lay the tube along side the kitten and make a mark with an indelible pen on the tube when the tip is alongside the kittens last rib. (2ndchance.info)
A cat at an ideal body weight (3/5) would have ribs that are easily felt without pushing through a layer of fat, an abdomen that is tucked up when viewed from the side and a visible last rib. (bracpet.com)