Because he can!
The legs may shake if the dog is frightened.
Shake hands.
I think you should take your dog to your veterinarian, particularly if your dog's legs only shake or tremble when he is going from standing to lying down. This could be a symptom of nerve damage or muscle weakness, which needs to be diagnosed and potentially treated before it gets worse.
Male dogs can have dew claws on their front and back legs, but it varies by breed and individual. Dew claws are essentially a dog's thumb, and they are more common on the front legs than the back legs. Some dog breeds are specifically bred to have double dew claws on their back legs.
Male dogs always do; female dogs usually croutch down on their rear legs but can also pee while standing if necessary.
According to Bennie Hill, shake hands.
Dogs have legs, not arms. They use their legs for walking, running, jumping, and digging. Unlike humans, dogs primarily use their front legs for support and balance, while their hind legs provide power for movement.
probably something to do with the nerves in there legs it's a age thing not an illness or anything
Because all together their is for legs.Like dogs for example.Their front legs are like arms and the back legs are...legs
they have there thingy boy dogs left there leg so they do not pee oa there front paws
Dogs have 4 legs.
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