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Most of the time, no apparent cause for night leg cramps can be identified. In general, night leg cramps are likely to be related to muscle fatigue and nerve problems. The risk of having night leg cramps increases with age. Pregnant women also have a higher likelihood of having night leg cramps. Several conditions, such as kidney failure and diabetic nerve damage, are known to cause night leg cramps. But if you have one of these, you're most likely aware of it and have symptoms other than night leg cramps.
Arm spasms are caused when muscles in the arm contract uncontrollably. It can be felt as quick jab of pain or a throbbing annoyance. If a person has an arm spasm while doing a dangerous task, they could be seriously injured or killed. There are so many causes of arm spasms that sometimes they are hard to diagnose.nother possible cause of spasms in the arm is an injury to the spinal cord. The brain sends messages to muscles through the spinal cord. If the messages are not properly transmitted in the spinal cord, the muscles in the arm will not contract correctly. This will cause the arm to have spasms.