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Hello. This is InfoTherapy, prescribing healthy information.<\/p>\n
I am a physical therapist with 10 years of experience managing patients' pain and posture in the field. When evaluating the legs of patients who visit the clinic for lower back or pelvic pain, there are symptoms that quite a few people complain of in common. They mention that their legs become severely swollen in the afternoon or that they wake up in the middle of the night due to cramps in their calves.<\/p>\n
They often come in thinking it's simply because they are tired from standing for a long time or because a nerve is pinched due to a herniated disc. However, when I actually palpate the calf muscles and fascia, surprisingly, the cause is very often a vascular issue\u2014specifically, varicose veins.<\/p>\n
Usually, when you think of varicose veins, it is easy to imagine bluish blood vessels bulging out bumpily on the calves. However, there are far more patients in the field with \"hidden\" (latent) varicose veins, where the blood vessels do not bulge on the surface, but blood flows backward and pools inside the legs.<\/p>\n
Today, I will explain in great detail everything from the real cause of varicose veins\u2014the hidden culprit causing leg fatigue and pain\u2014to the invisible hidden symptoms, and the realistic, medical management methods you can practice right away at home.<\/p>\n
Blood circulation in our body largely occurs through two paths. There are arteries that pump oxygen and nutrients from the heart to the rest of the body, and veins that carry waste products and carbon dioxide back to the heart. Arteries can move blood vigorously because the heart acts as a powerful pump pushing it. However, for the blood that has traveled all the way down to your toes to return to the heart through the veins, it faces the immense challenge of traveling upward against gravity.<\/p>\n
To push the blood upward against gravity, our body relies on two core mechanisms. The first is the valves inside the veins. These valves act as one-way doors that open when blood flows up and close when it tries to fall back down, preventing the backward flow (reflux) of blood. The second is the calf muscle, often called the \"second heart.\" When we walk or move, the calf muscles contract and relax, squeezing the veins to pump the blood upward.<\/p>\n
Varicose veins occur when the valves\u2014one of these two systems\u2014fail. When continuous pressure is applied to the leg veins due to aging, genetic factors, or an occupational environment involving prolonged standing or sitting, the vein walls become thin and lose their elasticity. As the blood vessels dilate, the valves inside them also stretch apart, leaving gaps that prevent the doors from closing properly. Eventually, the blood that should go up to the heart cannot overcome gravity and pours back down toward the legs, causing reflux.<\/p>\n
When this backward-flowing blood collides with the blood trying to move upward, immense pressure builds up inside the blood vessels, causing blood to pool in the legs. The disease in which blood vessels abnormally swell and become deformed and tortuous due to this process is varicose veins. While it is common in middle-aged and elderly people whose vascular elasticity decreases with age, it is recently appearing very frequently in young office workers who sit in front of computers all day or those who enjoy wearing tight clothing. Obesity and pregnancy are also major causes, as they increase abdominal pressure, obstructing the upward flow of blood from the legs to the heart.<\/p>\n
Many people only visit the hospital when blood vessels bulge out on their legs. However, the veins in our legs are divided into superficial veins right under the skin, deep veins deep within the muscles, and perforating veins that connect the two. If the valves in the deep veins or perforating veins are damaged rather than the visible superficial veins, the blood vessels may not bulge out at all, and the skin may look perfectly smooth. This is called hidden (latent) varicose veins. Because the blood vessels aren't visible, patients often wander from orthopedic to neurosurgery clinics even when their legs hurt, allowing the disease to worsen.<\/p>\n
Therefore, rather than checking for visible blood vessels, it is much more important to check if the following symptoms repeat in your daily life.<\/p>\n
First, your legs feel heavily weighed down and fatigued in the afternoon or evening. Your legs might feel light when you wake up in the morning, but the longer you walk or sit, the heavier they feel, as if you are wearing sandbags. This is the most typical symptom caused by blood pooling in the legs.<\/p>\n
Second, you frequently wake up from sleep due to cramps in your calves or toes. Medically referred to as localized muscle spasms, this occurs when venous blood fails to circulate properly, causing a lack of oxygen and a buildup of waste products in the muscles, leading to abnormal muscle contractions during sleep.<\/p>\n
Third, you develop edema where your legs swell up. If the shoes you wore comfortably in the morning feel painfully tight by the evening, or if sock marks remain deeply indented on your ankles and don't disappear even after several hours, it is a strong signal that there is a problem with your venous circulation.<\/p>\n
Fourth, your legs feel tingly, numb, or itchy. This is because inflammatory substances secreted from the stagnant blood continuously stimulate the surrounding microscopic nerves. In particular, if the skin around your calves or ankles becomes itchy and dry for no reason, it could be an early symptom of stasis dermatitis caused by varicose veins. If the disease progresses, the skin color may turn dark red or ulcers may develop, so it should never be taken lightly.<\/p>\n
Varicose veins are a progressive disease that does not heal naturally and worsens over time. If your blood vessels are already severely dilated and bulging, surgical procedures or treatments may be necessary. However, for early stages where symptoms are not severe, or to prevent recurrence after surgery, conservative management practiced daily at home is the core of treatment. As a physical therapist, I have summarized the most definite management methods that I emphasize to patients in the field.<\/p>\n
These are completely different from the general compression leggings or cosmetic stockings sold in stores. Medical compression stockings use a graduated compression design engineered to apply the strongest pressure at the ankle, with the pressure gradually decreasing as it goes up the calf. This scientific pressure difference acts as an artificial pump, squeezing the pooled blood in the legs and pushing it upward toward the heart.<\/p>\n
It is best to put them on while lying down in the morning before your legs swell, wear them throughout the day, and take them off when you return home to rest or go to bed. Since you must choose the right compression strength that fits your calf circumference and symptoms, it is highly recommended to purchase them with a prescription from a hospital.<\/p>\n
If you have to stand or sit for a long time, you must do heel-raise exercises at least once every hour. Lightly holding onto a chair or desk for balance, slowly lift both heels up to the sky as high as possible, and then slowly lower them back down. Repeat this motion 15 to 20 times.<\/p>\n
This simple movement powerfully contracts the calf muscles, pumping the stagnant venous blood in your legs back up to the heart. Even when sitting, wiggling your ankles up and down or frequently drawing large circles with your ankles can be a great help to venous circulation.<\/p>\n
When resting at home after work or going to sleep, lie comfortably on your back on the floor and stack two or three cushions or pillows to elevate your calves and ankles about 6 to 8 inches (15 to 20 cm) higher than your heart. By reversing the direction of gravity, this helps the heavy blood and body fluids that have pooled in your legs all day flow naturally back down toward your heart.<\/p>\n
Saunas, half-baths, and hot foot baths are known to be good for relieving fatigue, but they can be poison for patients with varicose veins. This is because when heat is applied to the body, the venous blood vessels on the skin surface dilate to their maximum to lower body temperature. If veins that have already lost elasticity and have damaged valves are forced to widen further by heat, blood reflux becomes much worse, and leg pain and swelling severely deteriorate. When your legs are fatigued, instead of hot water, take a shower with lukewarm or slightly cool water. Using the water pressure from the showerhead to spray cold water from your toes upward toward your calves to massage the legs is much more beneficial for constricting the blood vessels and restoring venous elasticity.<\/p>\n
When performing manual therapy in the field, I see many people whose calf muscles are hardened like stones, completely restricting the pathway through which blood travels. If the fascia\u2014the thin membrane wrapping around the muscle\u2014becomes adhered, the muscle cannot contract and relax properly, significantly degrading the pump function.<\/p>\n
I frequently witness that when the hardened gastrocnemius, soleus, and Achilles tendon around the ankle are smoothly relaxed through professional manual therapy, the muscle's pump function comes back to life, dramatically improving venous circulation. At home, it is good to use a foam roller or massage ball to lightly rub the back of the calves. However, you must be careful not to press strongly directly on areas where blood vessels are already severely bulging. Applying direct pressure to blood vessels can actually damage the vessel walls or risk causing blood clots, so it is safer to approach it with the feeling of gently relaxing the muscles around them.<\/p>\n
Varicose veins are not a fatal disease that immediately threatens your life, but if left untreated, the daily leg pain and heaviness can greatly diminish your vitality and directly impact your quality of life. Do not brush off your legs feeling heavier day by day as just aging or simple fatigue. Please consistently practice the medical compression stockings, calf raise exercises, and leg elevation rest that I shared today. A small change in your daily habits will bring back legs that feel as light as a feather.<\/p>\n
InfoTherapy will always support you so that you can enjoy the pleasure of walking with healthy legs for a long time.<\/p>\n
References and cross-verified data<\/p>\n
Society for Vascular Surgery: Causes of varicose veins and step-by-step treatment guidelines\nLink: https:\/\/vascular.org\/patients-and-referring-physicians\/conditions\/varicose-veins<\/a><\/p>\n Mayo Clinic: Hidden symptoms of varicose veins and conservative self-management methods\nLink: https:\/\/www.mayoclinic.org\/diseases-conditions\/varicose-veins\/symptoms-causes\/syc-20350643<\/a><\/p>\n National Health Service (UK): Guidelines for proper use of medical compression stockings and verification of effectiveness\nLink https:\/\/www.nhs.uk\/conditions\/varicose-veins\/treatment\/<\/a><\/p>\n \n View more posts<\/p>\n If your legs feel heavy every afternoon and cramp at night, it could be \"hidden\" varicose veins. A manual therapist with 10 years of experience fact-checks the real reasons why your legs swell and ache even without bulging veins. Learn practical home care methods to practice before considering surgery, including how to wear medical compression stockings and heel-raise exercises.<\/p>","protected":false},"author":1,"featured_media":105,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[53,54,52,12,51],"class_list":["post-102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-k-physiotherapy","tag-53","tag-54","tag-52","tag-12","tag-51"],"_links":{"self":[{"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/posts\/102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/comments?post=102"}],"version-history":[{"count":4,"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":108,"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/posts\/102\/revisions\/108"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/media\/105"}],"wp:attachment":[{"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/media?parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/categories?post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infotherapy.kr\/en\/wp-json\/wp\/v2\/tags?post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}3 Ways to Relieve Nighttime Leg Cramps That Ruin Your Sleep<\/a><\/h5>\n
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