Langer Name Meaning. German, Dutch, Danish, and Jewish (Ashkenazic): nickname for a tall man, from an inflected form of Lang. According to Gottschald, in the Franconian dialect of German this was also a term for an unskilled laborer (more fully, Handlanger).
Muscle does not weigh more than fat, any more than lead weighs more than feathers. A pound is a pound is a pound. Where the misunderstanding often comes in is that muscle is much more dense than fat, so that, by volume, it seems to weigh more. That is, a pound of muscle occupies less space than a pound of fat. In addition, because a pound of muscle burns more fat than a pound of fat, even at rest, by increasing your lean muscle tissue mass, you're helping your body burn more calories. But back to your question.
This enables your body to have more physical endurance and do better in sports, work and daily activities. Strong muscles also help you achieve better balance and coordination. Doing regular endurance strength training can also keep your muscles from atrophy as you age. Bone density peaks by age 30, but through endurance strength training, you can increase bone density and help prevent osteoporosis. Weight bearing exercise increases your bone density by encouraging the release of growth hormone in your body, and it promotes new bone cell growth.