Nerve compression
Due to unexplained itching in the right foot and easy fatigue and swelling in the right calf and right buttock, along with pain radiating to the left side of the thigh and groin, I consulted a neurosurgeon.
An X-ray revealed that the L4 and L5 intervertebral discs are narrowed, possibly causing nerve compression, and the doctor recommended physical therapy.
I was referred to a rehabilitation specialist who believed the primary issue was related to the right hip and pelvic alignment affecting other nerves, thus focusing rehabilitation on the right hip.
Later, I switched to a closer hospital for rehabilitation, where a nerve conduction study indicated compression at L5 and S1, leading to a change in rehabilitation to focus on lumbar traction.
I would like to inquire whether muscle strains can affect the interpretation of nerve conduction studies, or if further examinations are needed to clarify whether the issue is due to lumbar compression or muscle soft tissue strain.
Jack, 30~39 year old female. Ask Date: 2019/06/19
Dr. Zhang Junwei reply Neurosurgery
In theory, a muscle strain should not affect nerve conduction studies.
If the cause remains unclear, it is recommended to undergo magnetic resonance imaging (MRI) for further evaluation.
Reply Date: 2019/06/19
More Info
Understanding nerve compression and differentiating it from muscle strain can be quite complex, especially when symptoms overlap. In your case, the symptoms of tingling in the right foot, discomfort in the right calf and buttock, and pain radiating towards the groin suggest a potential issue with nerve compression, possibly related to the lumbar spine.
The initial assessment by the neurosurgeon, which indicated that the L4 and L5 discs were narrowed and possibly compressing nerves, is a common finding in patients with back pain. The recommendation for rehabilitation is often a first-line approach, especially if the symptoms are not severe enough to warrant surgical intervention. However, the subsequent referral to a rehabilitation specialist who suggested that the primary issue might be related to hip and pelvic alignment indicates the complexity of your condition. This highlights the importance of a multidisciplinary approach in diagnosing and treating musculoskeletal and neurological issues.
Regarding your question about whether muscle strain can affect nerve conduction studies, the answer is generally no. Muscle strains typically do not influence the results of nerve conduction studies (NCS) or electromyography (EMG). These tests are designed to assess the electrical activity of nerves and muscles, and while they can indicate nerve compression or damage, they are not directly affected by muscle injuries. However, if there is significant muscle swelling or inflammation, it may indirectly affect the interpretation of results, but this is usually minimal.
To clarify whether your symptoms are due to lumbar nerve compression or muscle strain, further imaging studies may be warranted. Magnetic Resonance Imaging (MRI) is particularly useful in visualizing soft tissues, including intervertebral discs, nerves, and muscles, and can provide a clearer picture of any potential compression or structural abnormalities. An MRI can help confirm whether there is indeed a herniated disc or other spinal issues contributing to your symptoms.
In addition to MRI, a thorough clinical examination by a specialist, such as an orthopedic surgeon or a neurologist, can help differentiate between nerve-related issues and muscle strain. They may perform specific physical tests to assess nerve function and muscle strength, which can provide additional insights into the underlying cause of your symptoms.
If nerve compression is confirmed, treatment options may include physical therapy focused on strengthening and stabilizing the lumbar region, pain management strategies, and possibly corticosteroid injections to reduce inflammation. In cases where conservative management fails, surgical options may be considered.
In summary, while muscle strain does not typically affect nerve conduction studies, the symptoms you are experiencing warrant a comprehensive evaluation, including potential MRI imaging, to differentiate between nerve compression and muscle strain. A collaborative approach involving various specialists will likely yield the best outcomes in managing your condition.
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