Cramps, sometimes called Charley horses, are unpleasant, often painful, sensations caused by contraction or over shortening of muscles. Cramps can be caused by cold, overexertion ...
http://en.wikipedia.org/wiki/Cramps

If a person is experiencing a continuous muscular pain then it might be a sign of malfunctioning of thyroid gland which in other words is also known as hypothyroidism. Muscles ...
http://www.buzzle.com/articles/muscles-cramps-caused-by-hypothyroidism.html

Pregnancy Cramps Caused By Implantation. These pregnancy cramps may be one of the first signs of pregnancy and are caused when the fertilized egg implants itself into the uterine ...
http://www.parentprofiles.com/pregnancy-articles/what-causes-pregnancy-cramps

Fitness & Health e-Zine, published by DrMirkin.com ... Dr. Gabe Mirkin's Fitness and Health E-Zine. Cramps Probably Caused by Muscle Damage
http://www.drmirkin.com/public/ezine031608.html

Muscle cramps can be caused by nerves that malfunction. Sometimes this malfunction is due to a health problem, such as a spinal cord injury or a pinched nerve in the neck or back.
http://www.nlm.nih.gov/medlineplus/musclecramps.html

The Analyst (TM) - Comprehensive Online Evaluations For Those Seeking Answers To Their Health Problems. Travel-Free Results, Now!
http://www.diagnose-me.com/questionnaire/Q128.html

Are there lifestyle changes I can make to lessen cramps caused by primary dysmenorrhea? Regular aerobic exercise (like walking or swimming for 20 minutes three times a week) has ...
http://www.ahealthyme.com/topic/topic13080

Menstrual cramps are caused by prolonged, intense uterine contractions that occur during menstruation. Prostaglandins (hormone-like substances) produced in the endometrium at the ...
http://yourtotalhealth.ivillage.com/menstrual-cramps.html

Secondary dysmenorrhea is diagnosed when menstrual cramps are caused by other conditions such as endometriosis, fibroid tumors, pelvic adhesions, and ovarian cysts or by the use of ...
http://womenshealth.about.com/cs/crampsmenstrual/a/cramps.htm

Most authorities agree that "true" cramps are caused by hyperexcitability of the nerves that stimulate the muscles. They are overwhelmingly the most common type of skeletal ...
http://www.medicinenet.com/muscle_cramps/page2.htm#2whatare

Menstrual cramps are sometimes caused, or made worse, by other conditions. This is known as secondary dysmenorrhea. If you suddenly start to experience more pain than usual or ...
http://www.always.com/period/cramps.jsp

Menstrual cramps are caused by contractions in the uterus, which is a muscle. The uterus, the hollow, pear-shaped organ where a baby grows, contracts throughout a woman's menstrual ...
http://women.webmd.com/menstrual-cramps

Are there lifestyle changes I can make to lessen cramps caused by primary dysmenorrhoea? Regular aerobic exercise (like walking or swimming for 20 minutes three times a week) has ...
http://www2.vhi.ie/topic/topic13080

Menstrual cramps are caused by contractions in the uterus, which is a muscle. The uterus, the hollow, pear-shaped organ where a baby grows, contracts throughout a woman's ...
http://www.medicinenet.com/script/main/art.asp?articlekey=42657

Secondary dysmenorrhea is menstrual cramps caused by an underlying pelvic condition or abnormality. A number of conditions can cause secondary dysmenorrhea.
http://yourtotalhealth.ivillage.com/menstrual-cramps.html?pageNum=4#4

Cramps are caused by prostaglandins (say: pross-tuh-glan-dunz), chemicals a girl's body produces to make the muscles of the uterus contract. The contracting muscles help push the ...
http://kidshealth.org/kid/grow/girlstuff/period_cramps.html

Abdominal cramps are caused by involuntary muscle contractions that can be very painful. Cramps or pain may occur when any of the muscles in the abdomen or in the walls of the ...
http://www.uihealthcare.com/topics/symptoms/symp5171.html

Menstrual cramps are caused by the normal contraction of the uterus. Like all muscles, the uterus contracts and relaxes. Most of the time women are ...
http://womenshealth.about.com/cs/crampsmenstrual/a/dysmenorrheacr.htm

Menstrual cramps are sometimes caused, or made worse, by other conditions. This is known as secondary dysmenorrhea. If you suddenly start to experience more pain than usual or ...
http://www.premenstrualsyndrome.com/cramps.html

Cramps are often caused by a lack of potassium, resulting in an electrytic imbalance. Strenuous exercise with sweating and diarrhea or other bowel disease ...
http://www.health911.com/remedies/rem_cramp.htm