First carefully check the cat's legs to see if there is any damage. If you don't pinch your legs, see if the animal has strong resistance. If it is possible, it may be sprain, pinch, or the owner accidentally stepped on the cat's hind legs, etc.
In addition, it is recommended to carefully check the cat's foot pads to see if there are any sharp objects. Or parasites invade cats' feet, which has a great impact on cats. It is very necessary to deworm cats regularly.
If it is caused by bone problems, such as bone injury, arthritis, and hip dysplasia, you can feed the joints to prevent inflammation and relieve pain. Generally, cats will have obvious effects after taking them for a week. It is one of the commonly used bone protection and repair drugs at home.