Symptoms of Lumbar Spinal Stenosis
Jun 02, 2021
Source: Cainiu Health
Dr. Lin Yunfei
Introduction
1. Intermittent claudication: Lower limb pain occurs after walking for a certain distance and subsides with brief rest; however, symptoms recur repeatedly and progressively worsen.
2. Positional claudication: Intermittent claudication develops after walking or standing for prolonged periods, and symptoms improve upon squatting or bending forward.
3. Low back and leg pain: Most patients experience low back pain along with pain in the groin and buttocks.
Lumbar spinal stenosis is a common orthopedic condition with numerous contributing factors and diverse clinical manifestations. Some symptoms may appear mild—so mild, in fact, that patients may overlook them or consciously ignore them. Nevertheless, even these seemingly minor symptoms warrant appropriate attention, as untreated lumbar spinal stenosis can progress to severe neurological impairment, including paralysis or hemiplegia. So, what are the characteristic symptoms of lumbar spinal stenosis? Below is an overview.
Symptoms of Lumbar Spinal Stenosis
1. Intermittent Claudication
Most patients with lumbar spinal stenosis experience lower-limb pain after walking for a certain period. The longer they walk, the more intense the pain becomes; in some cases, patients may even find it difficult to continue walking. Resting briefly typically alleviates these symptoms, although they tend to recur—and progressively worsen—over time.
2. Positional Claudication
Intermittent claudication occurs after walking or standing for prolonged periods, but improves when the patient squats or bends forward at the waist—hence many affected individuals adopt a stooped gait. Conversely, extending the lumbar spine, lying supine or prone, tends to exacerbate pain, whereas lying on the side with knees flexed often provides relief. This type of intermittent claudication is primarily caused by hypertrophy and inward bulging of the ligamentum flavum into the spinal canal, compressing the cauda equina.
3. Low Back and Leg Pain
Patients with congenital (developmental) lumbar spinal stenosis commonly report low back pain, along with pain radiating to the inguinal region and buttocks. In contrast, those with acquired (secondary) lumbar spinal stenosis almost invariably experience recurrent low back pain, frequently accompanied by unilateral or bilateral radicular pain and paresthesia affecting the lateral or posterior aspects of the thighs. Symptoms typically intensify during walking or standing, and subside—or even disappear—when squatting or lying flat.
The above outlines the key symptoms associated with lumbar spinal stenosis. We hope this information proves helpful to you.
