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Doctor insights on: Clonus A Series Of Rapid Muscle Contractions

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What can cause you to have constant muscle contractions?

What can cause you to have constant muscle contractions?

Many things: Muscles contract or spasm for many reasons. In hot weather a perspiring athlete can get dehydrated and lose electrolytes causing cramps. That's why it's important to stay hydrated. Low potassium can cause cramps. Bananas are a good source of potassium. Other causes include poor blood circulation , insufficient stretching before exercise, magnesium or calcium deficiency, and certain medications. ...Read more

Muscle (Definition)

It is a body tissue that has the ability to contract. It shortens and generates force. It relaxes and returns to its original length. Muscles move joints, stabilize the body, move air and food through the organs, act as valves for bladder, bowel and other organs. They control movement of the eyes. They help us express ourselves by changing the shape of our ...Read more


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Muscle contractions in the night I am over 50. Muscle tightening up?

Muscle  contractions in the night I am over 50. Muscle tightening up?

May be low calcium: With your age right now you should be taking calcium supplement 1200-1500mg per day.You may be low in calciumto have those muscle cramping.You should have your blood test done to check for calcium and vit.D as well because if you do not have enough vit d, your calcium that you are taking would not get to absorb properly. ...Read more

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What is the difference between isotonic and isometric muscle contractions?

What is the difference between isotonic and isometric muscle contractions?

See below: isometric muscle contraction is without joint motion. for example a quad set where you tighten the muscle in a fixed position. isotonic involves joint rom with a resistance at the end of the fulcrum(for example lifting an ankle weight while extending the knee joint) ...Read more

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What causes involuntary muscle contractions?

What causes involuntary muscle contractions?

Various Reasons: This could be due to an electrolyte imbalance like low calcium or potassium. It could also be due to stress or anxiety. Could also be from caffeine, medication, exercise or lack of exercise. ...Read more

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I was wondering what are the 3 different types of metabolic events of muscle contractions?

I was wondering what are the 3 different types of metabolic events of muscle contractions?

Don't kno 4 sure: But u think subconsciously move, the brain sends the info 2 the muscle via neurotransmitters the muscle contacts, as does the antagonistic muscle ; u get a smooth motion across a joint. The exact physiological process involved in the contraction ; relaxation is complicated ; would refer u 2 a physiology book on muscle contraction. ...Read more

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What are bronchial smooth muscle contractions?

For breathing: Your breathing tubes, the bronchi, have smooth muscle around them to help you to breath. They can contract. ...Read more

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Involuntary muscle contractions of the eye lid?

Involuntary muscle contractions of the eye lid?

Blepharospasm: Causes quivering or involuntary contraction of the muscle surrounding the eye. This can be a significant problem and often can be relieved with Botox injections into the orbicularis muscle under the guidance of an ophthalmologist or neurologist experienced in the use of the medication. The drug induces a reversible paralysis of the muscle making the contractions significantly less. ...Read more

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Can you advise me to diagnose muscle contractions and spasms?

Muscle: Muscle will contract normally with motion and stabilization. Spasms are intermittent contractors that may be related to overuse, metabolic disturbances, dehydration, etc. ...Read more

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Involuntary muscle contractions of the urethra healthy or a problem?

Necessary & healthy: You require involuntary contractions of the urethral sphincter muscles when you cough or sneeze to prevent expulsion of urine from the bladder, ie wetting. ...Read more

Contraction (Definition)

This usually has to do with the onset of labor. It is a muscular tightening of the uterus. Contractions are timed from beginning to end of hardening of the uterus (duration) and from beginning of one contraction until the beginning of the next (frequency). A third descriptor is intensity or how hard ...Read more


Dr. James Krick
53 doctors shared insights

Clonus (Definition)

Clonus is a series of rhythmic muscular contractions and relaxations. Clonus is most often seen in cases of stroke or spinal cord damage, ...Read more