Causes of Leg Cramps
What Causes Leg Cramps. Here, possible causes of leg cramps (charley horses) are too much or too little exercise. Also dehydration, low electrolyte levels, and certain conditions. Consequently, treatments include rehydrating, stretching, and massage.
So then, a leg cramp is a sharp, sudden contraction or tightening of the muscle in the calf, which usually lasts a few seconds to a few minutes. And it can feel debilitating whether you are lying in bed at night or running. Leg cramps can become even more irritating if they persist and knock you off your typical exercise or sleep routine.
1. Dehydration
What Causes Leg Cramps. One of the classic causes of leg cramps is dehydration. You may be more likely to develop leg cramps if you exercise outside during the summer months and do not drink enough water. You lose more fluid through sweat. The reason dehydration causes cramping is largely theoretical. It may be that fluid depletion causes nerve endings to become sensitized. This “triggers contractions in the space around the nerve and increases pressure on motor nerve endings,
2. Mineral Deficiency
What Causes Leg Cramps. It’s not just water that you sweat out. Electrolytes are the essential minerals that affect muscle function and many other bodily functions. Lost electrolytes can also contribute to leg cramping. An imbalance can trigger cramping if you are low in certain minerals.
An imbalance in sodium, calcium, magnesium, or potassium may cause leg cramps. Sports drinks with these electrolytes can reduce symptoms.
Potassium-rich foods can also treat or prevent leg cramps. Examples include:3
- Bananas
- Nuts
- Spinach
- Sweet potatoes
- Yogurt
3. Pregnancy
What Causes Leg Cramps. Pregnancy increases the risk for leg cramps. “The odds of magnesium and potassium deficiency are higher during pregnancy,” Stay hydrated if you are pregnant and develop leg cramps. You may also talk to a healthcare provider about taking a magnesium supplement. So then, for the vast majority of you pregnancy is something past but there are occasions of pregnancy in older adults over 50 years of age.
4. Overuse
What Causes Leg Cramps. Many people develop leg cramps due to overusing a muscle. Straining a muscle is actually the most common cause of muscle cramping. You often wind up with an involuntary cramp when the nerves running from your brain and spinal cord down to the muscle get overexcited. Rest and stretching are important in these situations.
5. Exercise Intensity
What Causes Leg Cramps. Strenuous exercise is a key cause of leg cramps. Your muscles are not automatically used to new intensity and movement.”Whenever cramps are induced by starting or restarting an exercise, that’s usually an indication of ‘too much, too soon,'” Your muscles don’t act and respond the same when you jog and sprint, for instance, so any increase in workout volume or intensity can trigger cramps.”
6. Fatigue
What Causes Leg Cramps. You may be more prone to leg cramps when you are overtired. You might be more lax in your diet or forget to hydrate effectively. Your muscles might also already be in rough shape if your body has not had enough time to recover from a workout.
“Physiologically, when the muscle is fatigued, it’s not as synchronized in using nutrients,” A tired muscle loses more nutrients than it uses, so it’s not functioning at its peak. Nighttime (nocturnal) leg cramps are also common if you are overtired. There’s no clear cause of nighttime leg cramps. Muscle fatigue and nerve dysfunction are the likely culprits. Research has shown that about 30% of adults reported nocturnal leg cramps at least five times a month.
7. Sitting or Standing
What Causes Leg Cramps. Muscles were made to move, contract, and rest. You might have some leg cramps if you are sitting or standing for long periods.
Standing for a prolonged time can contribute to muscle fatigue, which can cause leg cramps. Too much sitting is not necessarily better. Prolonged sitting “may predispose the muscles to malfunction,” said Dr. Sontag.
You may get a cramp when the muscle is being used and cannot relax. Make sure to take a seat before your muscles feel too tired from standing. Try spending at least a couple of minutes walking around per hour you sit.
8. Medications
What Causes Leg Cramps. You might want to take a look at any medications you take if there’s no obvious cause of your leg cramps. Diuretics, which lower blood pressure, may trigger cramps. They deplete your body of fluids and salts.
Talk to a healthcare provider if you started taking a new medication at the onset of your leg cramps. They may be able to prescribe an alternative.
9. Peripheral Artery Disease (PAD)
What Causes Leg Cramps. It’s important to see a healthcare provider to rule out underlying concerns if your leg cramps are not spontaneous or exercise-related. Conditions that affect how the body moves electrolytes can cause leg cramps.
Others, like peripheral artery disease (PAD), can affect blood flow. PAD is when cholesterol clogs blood vessels in your legs. It can trigger cramps since there may not be enough blood getting to your legs.
10. Multiple Sclerosis (MS)
What Causes Leg Cramps. Leg cramps can also be a symptom of the nerve disorder multiple sclerosis (MS). Some people with MS have spasticity, which can include involuntary muscle spasms and twitches or leg cramps. Spasticity might feel like a mild tightness or tingling or more severe cramping and pain.
Spasticity can cause frozen or immobilized joints if it’s untreated. Talk with a healthcare provider if you notice MS symptoms.
11. Osteoarthritis
What Causes Leg Cramps. Overexcited nerves can cause overuse-related leg cramps. Nerves malfunctioning for other reasons can also cause symptoms.
Osteoarthritis, or the most common type of arthritis, is usually categorized by stiff and achy joints. People with osteoarthritis may also have muscle spasms and leg pain. Leg cramps are usually linked to osteoarthritis of the spine. This condition can lead to pinched nerves or other nerve damage in severe cases.
12. Diabetic Peripheral Neuropathy
What Causes Leg Cramps. Too-high blood sugar levels in people with type 2 diabetes can lead to nerve damage in the legs, feet, arms, and hands. This condition is called diabetic peripheral neuropathy.
Nerve damage often leads to feelings of numbness or tingling. It can also produce muscle twitching and leg cramps when the nerves in the legs do not function properly.
Diabetes treatment can help prevent further nerve damage. A healthcare provider might recommend pain medication or anticonvulsant drugs to reduce leg cramps.
13. Hypothyroidism
What Causes Leg Cramps. Thyroid disorders may also contribute to leg cramps. Your thyroid is a gland that controls how your body uses energy.
People with hypothyroidism produce too little thyroid hormone. Some people with hypothyroidism will feel weakness or pain in their muscles. Others might experience leg cramps.
How To Treat Leg Cramps
What Causes Leg Cramps. You can ease leg cramps in the moment by stretching the muscle gently. Make sure you nourish your body and get enough rest to prevent symptoms.
Always check with a healthcare provider if you have unresolved leg cramps, especially with hydration and stretching. You might need to take a closer look at potential causes to find a long-term solution for leg cramps.
Rule out any underlying conditions that could cause leg cramps, such as PAD or thyroid disorders. See a healthcare provider when cramps prevent you from exercising or if they happen without cause.
A Quick Review
What Causes Leg Cramps. Leg cramps have several causes, from dehydration to overexercise. Pregnancy, older age, and certain conditions and medications can also make leg cramps more likely. Treatments like hydrating and stretching can also prevent leg cramps.
Contact a healthcare provider if you have frequent leg cramps. They can help you figure out the cause and recommend treatments. This is particularly important if you have a condition that could be causing leg cramps.
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In Conclusion
Nighttime leg cramps happen when you’re not very active or when you’re asleep. They may wake you up, make it harder for you to fall back asleep and leave you feeling sore all night. Yearly, monthly, weekly, nightly — the frequency of leg cramps depends on the person.
Night leg cramps (nocturnal leg cramps) can happen to anyone at any age, but they happen most often to older adults. Of people over age 60, 33% will have a leg cramp at night at least once every two months. Nearly every adult aged 50 and older will have them at least one time.
Important Note *
Remember that everyone is different, it is ultimately YOUR RESPONSIBILITY to find what your body responds to. So please do your due diligence before trying anything new, including getting Medical Advice to ensure your safety and peace of mind.
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