Published on: 3/17/2025
Leg pain when sitting can happen when nerves or blood vessels are under pressure from sitting in one position for too long, and this discomfort might be relieved by adjusting your posture, taking breaks, and doing gentle stretches.
Sometimes, when you sit for extended periods, the way your body is positioned can put extra pressure on nerves or tiny blood vessels in your leg, particularly around the pelvic and gluteal areas. For example, when you sit, the sciatic nerve—which runs from your lower back to your legs—might become compressed, leading to pain or cramps. One reason for this could be vascular compression from varicose veins in the gluteal area that press on nerves, as seen in some cases. In contrast, walking allows your muscles and joints to move, which helps relieve that pressure and improves blood flow, so the pain might disappear when you’re active. To ease the discomfort when sitting, try to adjust your position frequently, use supportive cushions, or take short breaks to stand and stretch. Gentle exercises or physical therapy can also help to relieve nerve tension and strengthen supporting muscles. If your leg pain continues or worsens, it's a good idea to talk with a healthcare provider to rule out any underlying conditions and to get guidance on managing the pain effectively.
(References)
Goldman SM, Funk JD, Christensen VM. Spinal stenosis. A common cause of podiatric symptoms. J Am Podiatr Med Assoc. 1997 Mar;87(3):117-24. doi: 10.7547/87507315-87-3-117. PMID: 9086718.
Hu MH, Wu KW, Jian YM, Wang CT, Wu IH, Yang SH. Vascular compression syndrome of sciatic nerve caused by gluteal varicosities. Ann Vasc Surg. 2010 Nov;24(8):1134.e1-4. doi: 10.1016/j.avsg.2010.02.043. Epub 2010 May 15. PMID: 20472387.
Sontag SJ, Wanner JN. The cause of leg cramps and knee pains: an hypothesis and effective treatment. Med Hypotheses. 1988 Jan;25(1):35-41. doi: 10.1016/0306-9877(88)90044-8. PMID: 3343944.
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