Right Back and Hand Numbness: Causes and Solutions

Numbness in the right upper back?

Hello Doctor, I would like to ask if it is possible that my poor sitting posture from long hours of working at a computer is causing my symptoms.
Initially, I experienced numbness extending from my right pinky finger to my palm, but it doesn't happen frequently.
When it does occur, the numbness is more pronounced, although when I am not experiencing it, I can feel a difference when touching or pinching the palm side of my pinky finger; it feels less sensitive or has a slower response.
Recently, I have also noticed occasional numbness in my right upper back, affecting either the upper or lower part, but not the entire area at once, and this is not a frequent occurrence.
Is there a way to improve this condition?

Ai Yu, 20~29 year old female. Ask Date: 2019/05/12

Dr. Jiang Junyi reply Neurology

Hello, based on your description, your symptoms may suggest compression of the cervical spine at the seventh vertebra and the first thoracic nerve root, leading to numbness extending to the little finger.
This could be due to prolonged poor posture while looking down, resulting in cervical curvature and narrowing deformity.
If there is compression of the intervertebral disc between the fourth and fifth vertebrae affecting the nerves that control the shoulders, it may cause shoulder and neck pain, as well as compression of the nerves between the fifth and sixth vertebrae leading to numbness, tingling, and weakness in the upper arm and the tip of the index finger.
Additionally, long-term computer use may also compress the ulnar nerve, causing abnormal sensations in the ring and little fingers.
A neurologist may utilize nerve conduction studies and electromyography to assist in the diagnosis.
Nerve conduction studies can measure the speed of specific nerve signals; when a nerve is compressed, the conduction speed will slow down.
It is recommended that you consult with a rehabilitation or neurology specialist to discuss examination and treatment options.
Wishing you good health and peace.
Dr.
Jiang from the Neurology Department cares about you.

Reply Date: 2019/05/12

More Info

Understanding the causes of numbness in the right hand and back, especially in the context of prolonged sitting and computer use, is crucial for addressing the issue effectively. Your symptoms, which include numbness in the right little finger extending to the palm, as well as occasional numbness in the right side of your back, may be indicative of several underlying conditions.

Possible Causes
1. Nerve Compression: The numbness in your little finger and palm could be related to ulnar nerve compression, commonly known as cubital tunnel syndrome. This occurs when the ulnar nerve, which runs along the inner side of the elbow and down to the hand, becomes compressed or irritated. Prolonged elbow flexion, such as resting your arm on a desk while typing, can exacerbate this condition.

2. Cervical Radiculopathy: The numbness in your back and hand may also suggest cervical radiculopathy, where a nerve in the neck is compressed or irritated, often due to herniated discs or degenerative changes in the cervical spine. This can lead to symptoms radiating down the arm, including numbness and tingling.

3. Poor Posture: Sitting for long periods with poor posture can lead to muscle tension and nerve compression. Slouching or leaning forward can strain the neck and shoulders, potentially leading to nerve-related symptoms in the arms and back.

4. Repetitive Strain Injury (RSI): Continuous use of a computer mouse and keyboard can lead to repetitive strain injuries, affecting the muscles and tendons in the hand and wrist, which may also contribute to numbness.

Solutions and Recommendations
1. Ergonomic Adjustments: Ensure that your workstation is ergonomically designed. Your chair should support your lower back, and your computer screen should be at eye level to prevent neck strain. Your wrists should be in a neutral position while typing, and your elbows should be at a 90-degree angle.

2. Regular Breaks: Take frequent breaks to stretch and move around. Every 30 minutes, stand up, stretch your arms and back, and walk around for a few minutes. This can help alleviate tension and improve circulation.

3. Stretching and Strengthening Exercises: Incorporate stretching exercises for your neck, shoulders, and arms into your daily routine. Simple stretches can help relieve tension in the muscles and nerves. Strengthening exercises for the shoulder and upper back can also improve posture and support nerve health.

4. Physical Therapy: If symptoms persist, consider consulting a physical therapist. They can provide a tailored rehabilitation program that includes specific exercises to strengthen the affected areas and improve flexibility.

5. Medical Evaluation: If numbness continues or worsens, it’s important to seek medical evaluation. A healthcare professional may recommend imaging studies, such as an MRI or X-ray, to assess for any structural issues in the spine or nerves.

6. Lifestyle Modifications: Maintain a healthy lifestyle that includes regular physical activity, a balanced diet, and adequate hydration. These factors can contribute to overall nerve health and reduce the risk of conditions that lead to numbness.

Conclusion
Addressing the numbness in your right hand and back requires a multifaceted approach that includes ergonomic adjustments, regular breaks, stretching and strengthening exercises, and potentially medical evaluation. By making these changes, you can help alleviate your symptoms and prevent further issues related to prolonged computer use. If the numbness persists, do not hesitate to consult a healthcare professional for a thorough assessment and tailored treatment plan.

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