Large Breed Longevity. The average lifespan of all dogs -- both small and large -- is 12.8 years, reports pets.ca, a Canadian pet information provider. Some larger dogs tend not to live that long, and data varies considerably by breed.
Aching Legs. Aching Legs and Feet. Injury is the most common cause of leg pain (aching legs). However, even a simple back pain can cause your legs to ache depending on the degree of pain. Usually, elders and diabetics and people with poor circulation are the ones who experience leg pain especially at night.
Cramps. A principle cause of leg pain is a cramp or muscle spasm, often known as a charley horse. Muscle fatigue, dehydration, and some medicationsâsuch as diuretics and statinsâcan all lead to leg cramps.eg pain refers to pain or discomfort anywhere in the leg. It can range from a dull ache to an intense stabbing sensation. There are many causes of leg pain. However, only some of these are medically serious.