{"id":66530,"date":"2026-07-26T08:00:56","date_gmt":"2026-07-26T06:00:56","guid":{"rendered":"https:\/\/mivisalud.com\/blog\/trigger-points-in-the-lower-back-why-do-i-have-knots-that-cause-pain-to-radiate-down-my-leg\/"},"modified":"2026-07-26T08:00:56","modified_gmt":"2026-07-26T06:00:56","slug":"trigger-points-in-the-lower-back-why-do-i-have-knots-that-cause-pain-to-radiate-down-my-leg","status":"publish","type":"post","link":"https:\/\/mivisalud.com\/en\/blog\/trigger-points-in-the-lower-back-why-do-i-have-knots-that-cause-pain-to-radiate-down-my-leg\/","title":{"rendered":"Trigger points in the lower back: Why do I have \u201cknots\u201d that cause pain to radiate down my leg?"},"content":{"rendered":"<p>Many people with lower back pain describe a very specific sensation: \u201cI have a knot in my back that radiates down into my leg.\u201d Sometimes, this pain is not directly related to a herniated disc or classic sciatica, but rather to the presence of muscle trigger points in the lower back and gluteal region. <\/p>\n<p>Myofascial trigger points are a common cause of <a href=\"https:\/\/mivisalud.com\/en\/pathology\/all-about-low-back-pain\/\">lower back pain<\/a> and referred pain, although they often go unnoticed or are mistaken for other spinal problems.<\/p>\n<h2>What are trigger points?<\/h2>\n<p>Trigger points are small, hyperirritable areas within a muscle, commonly known as \u201cmuscle knots.\u201d<\/p>\n<p>They are located in tight muscle bands and can cause:<\/p>\n<ul>\n<li>Localized pain.<\/li>\n<li>Muscle stiffness.<\/li>\n<li>A feeling of tightness.<\/li>\n<li>Limitation of movement.<\/li>\n<li>Pain that radiates to other areas.<\/li>\n<\/ul>\n<p>When pressed, they usually reproduce the pain the patient is feeling.<\/p>\n<h3>Why do trigger points appear in the lower back?<\/h3>\n<p>The lower back and gluteal muscles bear a heavy load throughout the day. Factors such as sustained tension or poor posture can contribute to the development of trigger points. <\/p>\n<p>The most common causes include:<\/p>\n<ul>\n<li>Muscle overload.<\/li>\n<li>Physical or emotional stress.<\/li>\n<li>Poor posture.<\/li>\n<li>Sedentary lifestyle.<\/li>\n<li>Sitting for many hours.<\/li>\n<li>Repeatedly lifting weights.<\/li>\n<li>Lack of exercise.<\/li>\n<li>Previous injuries.<\/li>\n<li>Biomechanical abnormalities.<\/li>\n<\/ul>\n<p>In many patients, trigger points develop gradually and eventually lead to persistent pain.<\/p>\n<h3>What does trigger point pain feel like?<\/h3>\n<p>Myofascial pain can vary greatly from one patient to another, but it is typically described as:<\/p>\n<ul>\n<li>Deep pain.<\/li>\n<li>A feeling of pressure or a \u201clump.\u201d<\/li>\n<li>Persistent muscle discomfort.<\/li>\n<li>Lower back stiffness.<\/li>\n<li>Pain that radiates to the buttock or leg.<\/li>\n<\/ul>\n<p>In some cases, the pain can be mistaken for sciatica because it radiates to the buttock or the back of the thigh.<\/p>\n<h3>Which muscles are usually involved?<\/h3>\n<p>In cases of lower back pain with radiation, trigger points are usually located in:<\/p>\n<ul>\n<li>Lumbar square.<\/li>\n<li>Gluteus medius.<\/li>\n<li>Gluteus minimus.<\/li>\n<li>Pyramidal.<\/li>\n<li>Spinal erector muscles.<\/li>\n<\/ul>\n<p>In particular, the piriformis muscle and the gluteus minimus can cause pain that radiates down the leg, much like sciatic pain.<\/p>\n<h3>Differences Between Trigger Points and Sciatica<\/h3>\n<p>Although they may seem similar, there are important differences.<\/p>\n<table width=\"100%\">\n<thead>\n<tr>\n<td><strong>Muscle Trigger Points<\/strong><\/td>\n<td><strong>Sciatica<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Deep muscle pain<\/td>\n<td>Pain caused by nerve irritation<\/td>\n<\/tr>\n<tr>\n<td>A feeling of tightness or a \u201cknot\u201d<\/td>\n<td>Electric shocks or tingling<\/td>\n<\/tr>\n<tr>\n<td>Pain that can be reproduced by pressing on the muscle<\/td>\n<td>Pain following the course of the nerve<\/td>\n<\/tr>\n<tr>\n<td>Muscle stiffness<\/td>\n<td>Sensory or strength abnormalities<\/td>\n<\/tr>\n<tr>\n<td>Related to muscle tension<\/td>\n<td>Related to nerve damage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>In some patients, both problems may occur at the same time.<\/p>\n<h3>How are trigger points diagnosed?<\/h3>\n<p>The diagnosis is usually made by:<\/p>\n<ul>\n<li>Medical history.<\/li>\n<li>Physical examination.<\/li>\n<li>Muscle palpation.<\/li>\n<\/ul>\n<p>The specialist identifies tight bands and tender areas that replicate the patient&#8217;s typical pain.<\/p>\n<p>Sometimes, it is also necessary to rule out other causes of lower back pain through imaging tests.<\/p>\n<h3>Treatment of Lumbar Trigger Points<\/h3>\n<p>Treatment will depend on the severity of the pain, how long it has lasted, and the triggers.<\/p>\n<h3>Conservative Treatments<\/h3>\n<p>In many cases, it is recommended that:<\/p>\n<ul>\n<li>Physiotherapy.<\/li>\n<li>Therapeutic exercise.<\/li>\n<li>Stretching.<\/li>\n<li>Postural correction.<\/li>\n<li>Muscle strengthening.<\/li>\n<li>Manual therapy.<\/li>\n<li>Load control.<\/li>\n<\/ul>\n<p>Movement and functional recovery are often key to alleviating myofascial pain.<\/p>\n<h3>Interventional treatments<\/h3>\n<p>When pain is persistent or limits quality of life, specific techniques can be used, such as:<\/p>\n<ul>\n<li>Dry needling.<\/li>\n<li>Trigger Point Injection.<\/li>\n<li>Muscle spasms.<\/li>\n<li>Radiofrequency.<\/li>\n<li>Interventional techniques for pain management.<\/li>\n<\/ul>\n<p>These options are designed to reduce muscle hyperactivity and relieve referred pain.<\/p>\n<h3>Can stress make trigger points worse?<\/h3>\n<p>Yes. Emotional stress can increase chronic muscle tension and contribute to the development of muscle spasms and trigger points. <\/p>\n<p>For this reason, the management of low back pain often must also include aspects related to:<\/p>\n<ul>\n<li>Rest.<\/li>\n<li>Stress Management.<\/li>\n<li>Sleep quality.<\/li>\n<li>Postural habits.<\/li>\n<li>Regular physical activity.<\/li>\n<\/ul>\n<h3>When should you consult with specialists?<\/h3>\n<p>It is advisable to seek medical evaluation when:<\/p>\n<ul>\n<li>Lower back pain persists for weeks.<\/li>\n<li>The pain radiates down the leg.<\/li>\n<li>There are limitations on walking or working.<\/li>\n<li>The pain often returns.<\/li>\n<li>The usual treatments do not work.<\/li>\n<\/ul>\n<p>An accurate diagnosis is key to determining whether the source of the pain is muscular, joint-related, neurological, or a combination of several factors.<\/p>\n<h3>A Comprehensive Approach to Low Back Pain<\/h3>\n<p>We now know that chronic low back pain is rarely caused by a single structure. In many patients, muscles, joints, nerves, and biomechanical factors all play a role at the same time. <\/p>\n<p>Therefore, treatment should be aimed not only at relieving symptoms, but also at restoring function and reducing the risk of relapse.<\/p>\n<p>At <a href=\"https:\/\/mivisalud.com\/en\/\">MIVI Salud<\/a>, we have specialists in pain management who take a comprehensive approach to treating lower back and myofascial pain using advanced techniques and personalized treatments.<\/p>\n<p><a href=\"https:\/\/mivisalud.com\/en\/physician\/dr-jesus-de-santiago-moraga\/\">Dr. Jes\u00fas de Santiago<\/a><\/p>\n<p>Coordinator of <a href=\"https:\/\/mivisalud.com\/en\/center\/mivi-santa-cruz-de-tenerife-pain-unit\/\">MIVI Canarias<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many people with lower back pain describe a very specific sensation: \u201cI have a knot in my back&hellip;<\/p>\n","protected":false},"author":26,"featured_media":66278,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[976],"tags":[],"ppma_author":[1408],"class_list":["post-66530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pain","author-jesus-de-santiago-moraga"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u25b7 Trigger points in the lower back: Why do I have \u201cknots\u201d that cause pain to radiate down my leg? | Mivi<\/title>\n<meta name=\"description\" content=\"Discover how muscle trigger points cause lower back pain and sciatica. 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