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In addition to those benign conditions cramps are also associated with many pathological conditions. [2] [6] Cramp definition is narrower than the definition of muscle spasm: spasms include any involuntary abnormal muscle contractions, while cramps are sustained and painful. [1] [7] True
A spasm is a sudden involuntary contraction of a muscle, [1] a group of muscles, or a hollow organ, such as the bladder. A spasmodic muscle contraction may be caused by many medical conditions, including dystonia. Most commonly, it is a muscle cramp which is accompanied by a sudden burst of pain. A muscle cramp is usually harmless and ceases ...
Normally, people are unaware of their muscle tone in their daily activities. The body maintains the balance between the tone of flexor and extensor muscle groups. Sometimes, in normal, healthy people, that tone is lost either in flexors or extensor muscle groups in isolation, temporarily and intermittently resulting in muscle cramps. Treating ...
Sex is supposed to feel good—but some women may have cramps after sex from orgasm, ovarian cysts, endometriosis, and more. Here are all the possible causes. ... "The muscle contractions that ...
A very common cause of vaginal cramps is dysmenorrhea, or period cramps.“Your uterus is basically one big muscle (the shape of a pear) which starts to contract to shed the lining during a period ...
Muscle cramps caused by the disease tetanus are not classified as tetany; rather, they are due to a lack of inhibition to the neurons that supply muscles. Tetanic contractions (physiologic tetanus) have a broad range of muscle contraction types, of which tetany is only one.
"Period cramps are contractions of the muscles and blood vessels of the uterus," Dr. Jones explains. These contractions are caused by prostaglandins, a chemical produced in the lining of the ...
Tetanic contraction can exist in a variety of states, including isotonic and isometric forms—for example, lifting a heavy box off the floor is isotonic, but holding it at the elevated position is isometric. Isotonic contractions place muscles in a constant tension but the muscle length changes, while isometric contractions hold a constant ...