Abstract
L1 radiculopathy is very rare and difficult to diagnose with needle electromyography. A patient presented with pain and hypesthesia on the anterolateral aspect of the left thigh. Nerve conduction studies and needle electromyography were normal, except for the quadratus lumborum and iliopsoas muscles, which showed abnormal spontaneous activity and polyphasic motor unit potentials with reduced recruitment patterns. Magnetic resonance imaging of the lumbar spine showed disc extrusion of the L1-2 intervertebral space with upward migration. This case demonstrates the usefulness of examination of the quadratus lumborum in the diagnosis of L1 radiculopathy.
| Original language | English |
|---|---|
| Pages (from-to) | 566-568 |
| Number of pages | 3 |
| Journal | Muscle and Nerve |
| Volume | 41 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2010 Apr |
Keywords
- Electromyography
- Herniated disc
- L1 radiculopathy
- Magnetic resonance imaging
- Quadratus lumborum
ASJC Scopus subject areas
- Physiology
- Clinical Neurology
- Cellular and Molecular Neuroscience
- Physiology (medical)