Arm Numbness: Possible Causes and Treatment Options

Questions about arm numbness?

Hello Doctor, for the past month or so, I have been experiencing a sensation in my upper arm, specifically in the deltoid area, that feels similar to the numbness one gets after sleeping on their arm.
Sometimes there is also a soreness, while other times there isn't, and the issue seems to be limited to the deltoid region.
I have consulted both neurosurgery and rehabilitation departments, and both seem to believe that this is related to a disc issue.
I have recently been undergoing cervical traction and other rehabilitation treatments.
I would like to ask you the following questions:
1) Are there any other conditions, such as cubital tunnel syndrome or other neurological disorders, that could produce similar symptoms? Or can we almost definitively conclude that this is related to cervical spine issues?
2) Due to my busy schedule, I haven't been able to attend rehabilitation sessions frequently.
Will this lead to significant deterioration in the short term? I know it may sound overly cautious, but I am worried about waking up one day and being unable to move my entire arm.
3) Besides rehabilitation, what else can I do to help alleviate this numbness?
I have also attached an X-ray report from a few weeks ago for your reference.
Thank you for your response!
Lumbar spine routine [AP, Lat, Flexion and Extension views] showed: Change of shape of L4-5 disc space in dynamic view indicated possibility of instability.
Preservation of contour of vertebral bodies.
Narrowing of intervertebral disc space at L5-S1.
Narrowing of sacroiliac joint.

Cervical spine routine [AP, Lat] showed: Narrowing of atlantodontoid space in lateral view.
Narrowing of intervertebral disc space at C4-5-6 level.

Cervical spine routine [Bilateral Oblique views] showed:

JAM, 20~29 year old female. Ask Date: 2022/03/19

Dr. Jiang Junyi reply Neurology

Dear Mr.
JAM,
You mentioned, "Are there other issues such as cubital tunnel syndrome or other neurological disorders that could produce similar symptoms? Or can we almost definitively conclude that it is a cervical spine issue?" Typically, symptoms resulting from nerve compression manifest in areas surrounding the site of compression.
If symptoms are present in the upper arm, it may be necessary to consider injury to the nerves that extend from the spinal cord to the upper arm.

In fact, rehabilitation primarily alleviates symptoms; the most crucial aspect is changing lifestyle habits.
It is important to be mindful of head and neck posture in daily activities to avoid narrowing of the neural foramina.
For example, when working, avoid excessive forward bending or backward arching of the posture, and do not tilt your neck while performing tasks.
If you frequently use the phone, consider using a headset instead of cradling the receiver between your neck and shoulder.

Avoid prolonged activities such as writing, reading, or working with your head down; it is best to take breaks every half hour to allow for neck movement and prevent excessive strain on the cervical spine.
I recommend consulting a neurologist or a rehabilitation physician for further evaluation and treatment.
Thank you for your inquiry, and I welcome further discussion.
Wishing you good health, peace, and joy.
Dr.
Jiang Junyi, Taoyuan Medical Center

Reply Date: 2022/03/19

More Info

Understanding arm numbness, particularly in the deltoid region, can be quite complex, as it may stem from various underlying issues. Based on your description and the diagnostic imaging results, it seems that the primary concern is related to cervical spine issues, particularly at the C4-C6 levels, which could be contributing to your symptoms. However, let's delve deeper into your questions and explore potential causes and treatment options.

1. Other Possible Conditions: While cervical spine problems are a likely cause of your symptoms, conditions such as thoracic outlet syndrome, carpal tunnel syndrome, or ulnar nerve entrapment could also lead to similar sensations of numbness or tingling in the arm. Thoracic outlet syndrome occurs when blood vessels or nerves in the space between your collarbone and your first rib become compressed, leading to pain and numbness in the shoulder and arm. Carpal tunnel syndrome, on the other hand, is caused by pressure on the median nerve as it travels through the wrist, which can lead to numbness in the thumb, index, and middle fingers, but may also affect the arm depending on the severity. Ulnar nerve entrapment can cause numbness in the ring and little fingers and may also present with symptoms in the upper arm. Given your symptoms are localized to the deltoid area, it is essential to consider these conditions, but the cervical spine remains a strong contender based on your imaging results.

2. Impact of Infrequent Rehabilitation: It is understandable to be concerned about the potential for worsening symptoms due to infrequent rehabilitation. While it is true that consistent rehabilitation can help manage and alleviate symptoms, a temporary decrease in frequency may not lead to immediate or severe deterioration. However, neglecting rehabilitation over an extended period can lead to muscle atrophy, decreased range of motion, and potentially exacerbate any underlying conditions. It is crucial to maintain some level of activity, even if it is not as frequent as you would like, to prevent further complications. If you experience any sudden changes, such as increased numbness or weakness, it is advisable to seek medical attention promptly.

3. Self-Management Strategies: In addition to your rehabilitation sessions, there are several self-management strategies you can incorporate into your daily routine to help alleviate numbness and discomfort. These may include:
- Gentle Stretching: Incorporate gentle neck and shoulder stretches to maintain flexibility and reduce tension in the cervical spine. Focus on stretches that target the upper trapezius and levator scapulae muscles.

- Posture Correction: Pay attention to your posture, especially during prolonged periods of sitting or working at a desk. Ensure that your workstation is ergonomically set up to minimize strain on your neck and shoulders.

- Heat and Cold Therapy: Applying heat to the affected area can help relax tight muscles, while cold therapy can reduce inflammation and numb pain. Alternate between the two as needed.

- Strengthening Exercises: Once cleared by your healthcare provider, consider incorporating strengthening exercises for the shoulder and upper back to improve stability and support for the cervical spine.

- Mindfulness and Relaxation Techniques: Stress can exacerbate muscle tension and discomfort. Techniques such as deep breathing, meditation, or yoga can help manage stress and promote relaxation.

In conclusion, while cervical spine issues are likely contributing to your symptoms, it is essential to remain vigilant for other potential conditions. Consistent rehabilitation, combined with self-management strategies, can significantly improve your symptoms and overall quality of life. If your symptoms persist or worsen, further evaluation by a specialist may be warranted to explore additional treatment options. Always consult with your healthcare provider before making any changes to your treatment plan.

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