Lumbar pain is discomfort localized in the lower part of the back, between the lowest ribs and the buttocks. It can feel like heaviness, tension, stiffness, sharp pains, or an uncomfortable difficulty when bending over, getting up from a chair, or staying in the same position for a long time. It is a common experience and does not always have a single cause.
It often appears after several hours of sitting, an exertion to which the body is unaccustomed, a poor night's rest, or a period of increased tension. In other cases, the pain is related to a problem that requires medical assessment. For this reason, it is advisable to avoid both unnecessary alarm and the idea that all lumbar pain must resolve itself without paying attention to how it progresses.
Why can lumbar pain appear?
The lumbar area supports a significant portion of body weight and participates in daily movements such as walking, carrying bags, bending over, turning in bed, or getting up from a chair. When several factors accumulate, it is easy for discomfort to appear.
A common cause is maintaining the same posture for too long. Sitting for many hours, working with a laptop without a well-adjusted desk, or driving for long stretches can increase the feeling of stiffness. It is not about finding a perfect, motionless posture, but rather about introducing changes in position and movement throughout the day.
A sudden increase in activity can also have an influence. Returning to the gym, moving house, working in the garden for hours, or lifting weights without being accustomed to it can temporarily overload the back muscles and tissues. In these situations, the discomfort does not always appear at the exact moment of exertion: sometimes it is more noticeable the next day.
Rest, stress, and regular physical activity also play an important role. Sleeping little, feeling very tense, or spending weeks with little movement can make the body less tolerant of daily efforts. The pain is real, even if it is not always possible to attribute it to a specific movement or a single structure of the back.
In some people, lumbar pain can be accompanied by discomfort in the buttocks or legs. This alone does not allow one to know the cause, but it is a reason to observe how it evolves carefully and to seek consultation if persistent tingling, loss of strength, or other relevant symptoms appear.
Lumbar pain from sitting: what to check
Sedentary work is not necessarily the only source of pain, but it can contribute when combined with few breaks and a poorly adapted workstation. It is advisable to check that your feet can rest on the floor or a footrest, that the screen is approximately at eye level, and that the chair allows you to support your back without forcing you to hunch your shoulders.
Rather than maintaining a rigid posture for hours, it is usually useful to alternate positions. Getting up for a few minutes, walking while talking on the phone, changing how you support your legs, or performing tasks while standing helps to break up continuous periods of immobility. Short, repeated breaks are more realistic than trying to compensate for an entire sedentary day with a single exercise session.
How you work with screens can also affect other areas. If you also notice tension in the nape of your neck, shoulders, or upper back, it may be useful to review habits related to neck pain from screens.
What to do when the discomfort is mild and recent
If the pain has appeared recently, is mild or moderate, and is not accompanied by warning signs, it is usually reasonable to reduce for a few days the movements that clearly aggravate it, without falling into prolonged absolute rest. Remaining motionless for too long can increase stiffness and make it more difficult to return to your routine.
Walking at a comfortable pace, changing position frequently, and gradually resuming usual activities is usually a more sensible strategy than trying to "endure" the pain or, at the opposite extreme, avoiding all movement out of fear. The intensity should be adapted to how the body responds: if an activity causes intense, progressive pain, or pain that lasts a long time afterward, it is advisable to reduce it and seek professional guidance.
Local heat can be pleasant for some people when the feeling of muscle tension predominates. Others prefer cold after recent exertion. There is no one-size-fits-all answer; the important thing is to protect the skin, avoid extreme temperatures, and stop if it causes more discomfort.
It may also help to temporarily simplify tasks that require carrying weight, repeated twisting, or forced postures. If you need to lift an object, get close to it, separate your feet to have a stable base, bend your knees, and avoid twisting your torso while holding the load. If the object is awkward or too heavy, asking for help is a wise decision.
Movement and exercise: how to resume activity
When lumbar pain allows you to move with some comfort, gradual activity is a good ally. There is no need to start with demanding workouts: walking, moving gently during the day, or resuming exercises adapted to your physical condition can be enough as a first step.
It is worth distinguishing between an expected muscle sensation after returning to training and pain that forces you to completely modify your movement. Muscle soreness usually appears after a new or more intense effort than usual and improves progressively. In contrast, sharp pain that clearly extends down the leg or worsens when trying to return to activity warrants more caution.
Progression matters more than perfection. Suddenly increasing the kilometers walked, loads, or the number of sports classes can be counterproductive. It is preferable to resume activity step by step and allow room for the body to adapt.
Lumbar pain when getting up: possible habits to observe
Noticing the lower back is stiffer upon waking is relatively common. It may be related to having maintained the same position throughout the night, an especially active previous day, or a routine that lacks movement. The quality and quantity of rest can also influence the perception of discomfort.
Before getting up in a hurry, it can help to move for a few moments in bed and do so from your side, using your arms to sit up. During the first few minutes of the day, a short walk around the house or gentle movements can be more pleasant than trying to intensely stretch an area that is still stiff.
If the sensation is concentrated in different joints, repeats frequently, or lasts quite a long time each morning, it is worth paying attention to the pattern. You can expand on this information in the article on morning joint stiffness.
When the feeling of stiffness also appears in other joints, in addition to daily movement and good habits, it may be interesting to pay attention to joint care within your routine.
At Teresa Pons, we have Articucalm, a complete formula with glucosamine, chondroitin, collagen, hyaluronic acid, MSM, devil's claw, turmeric, and ginger, as well as calcium and vitamin D, designed to complement joint care and mobility.
When to consult for lumbar pain
It is advisable to seek medical assessment if the pain is intense, does not improve progressively, clearly interferes with rest or daily activities, or persists for several weeks. It is also advisable to consult if the episode is different from previous discomfort or appears after a fall, a significant blow, or an accident.
There are situations that require urgent medical attention. Seek help without delay if lumbar pain is accompanied by marked weakness in a leg, loss of sensation in the genital area or around the anus, difficulty walking, loss of control of urine or feces, unexplained fever, unintentional weight loss, or very intense pain that does not allow you to find a tolerable position.
It is also important not to automatically attribute all back pain to muscles. If it appears together with discomfort when urinating, blood in the urine, intense abdominal pain, significant general malaise, or any symptom that is worrying, it is preferable to consult to rule out other causes.
A more useful perspective: regaining confidence in movement
Lumbar pain can generate a fear of bending over, walking, or exercising. However, when there are no warning signs and a professional has not indicated specific restrictions, resuming movement progressively is usually more useful than monitoring every gesture with worry. The goal is not to force or ignore the pain, but to return little by little to an active daily life.
Caring for your back does not depend on a single stretch, a perfect posture, or a quick fix. It usually has more to do with distributing efforts better, taking breaks, sleeping sufficiently, maintaining adapted physical activity, and asking for help when the progress is not what was expected.
Frequently asked questions
What is lumbar pain?
It is discomfort localized in the lower part of the back. It can be felt as stiffness, tension, heaviness, or pain when moving.
Is it good to rest if my lower back hurts?
For mild discomfort and without warning signs, prolonged absolute rest is usually not the best option. Normally it is better to maintain gentle movement and temporarily adapt activities.
Why does my lower back hurt when I am sitting?
Remaining in the same position for a long time, taking few breaks, or working with a poorly adjusted station can promote stiffness and lumbar discomfort.
When should I worry about lumbar pain?
Consult urgently if there is a significant loss of strength or sensation, bladder or bowel changes, fever, pain after trauma, or difficulty walking.
Can lumbar pain travel down to the leg?
Yes, some lumbar discomfort can be accompanied by pain, tingling, or a feeling of shooting pain toward the buttocks or legs. If it is persistent, intense, or accompanied by weakness, medical assessment is advisable.