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.
Muscle fatigue, or physical fatigue, is the decline in ability of a muscle to generate force. It can be a result of vigorous exercise but abnormal fatigue may be caused by barriers to or interference with the different stages of muscle contraction. There are two main causes of muscle fatigue. The limitations of a nerve âs ability to generate a sustained signal (neural fatigue) and the reduced ability of the muscle fiber to contract (metabolic fatigue).