A cypher is a message written in a secret code. Spies during World War II sometimes communicated using cyphers. If you use a cypher to send your friend a message, it may take her a while to figure out what you're trying to tell her. Some cyphers substitute numbers or symbols for letters, and you need a key to decipher â or interpret â them. Another kind of cypher is an unimportant person who's blank or devoid of personality â you might call a lifeless
Causes of Weak and soft muscles. This section discusses 41 medical conditions causing Weak and soft muscles. A simple discussion of these causes with additional information is below. Common Causes: Weak and soft muscles. Some of the possible common medical causes of Weak and soft muscles may include: Muscle overuse.
There are two types of muscle atrophy. 1  Disuse atrophy occurs from a lack of physical activity. In most people, muscle atrophy is caused by not using the muscles enough. 2  The most severe type of muscle atrophy is neurogenic atrophy. It occurs when there is an injury to, or disease of, a nerve that connects to the muscle.