Persistent Ankle Pain and Leg Weakness: Causes and Solutions

Numbness in the foot, weakness in the ankle joint, and heel pain?

Hello, Doctor.
About two years ago, I started experiencing significant stiffness and weakness (without pain) in my calves and feet upon waking up, and this has been a daily occurrence.
About a year ago, the stiffness began to be accompanied by heel pain, which has recently intensified.
Now, even after sitting for just five minutes, I experience heel pain when I stand up, and it has become a constant pain.
I did some research and learned about the symptoms of plantar fasciitis, but mine seem somewhat different.
My job requires me to sit for long periods, and I do not exercise, so the pain does not seem to be exacerbated by prolonged inactivity.
The pain is persistent and becomes more noticeable when I get up from the computer.
Additionally, I experience noticeable numbness in my calves, especially in the feet and soles.
What could be going on? Thank you!

Chun Tian, 40~49 year old female. Ask Date: 2012/11/08

Dr. Shi Guozheng reply Orthopedics

It is possible that peripheral nerves, such as the common peroneal nerve, are being compressed, which could lead to these symptoms.
You may need to consult an orthopedic or neurologist for a proper evaluation.
In the meantime, it is advisable to avoid sitting for prolonged periods and to refrain from crossing your legs while sitting.

Reply Date: 2012/11/08

More Info

Persistent ankle pain and leg weakness can be quite distressing, especially when it affects your daily activities and overall quality of life. Based on your description, it seems that you have been experiencing stiffness and weakness in your calves and feet, particularly upon waking and after prolonged periods of sitting. The symptoms you describe, including heel pain and a sensation of numbness or tingling in your lower legs, suggest that there could be several underlying causes that need to be explored.

One potential cause of your symptoms is plantar fasciitis, which is characterized by inflammation of the plantar fascia, the thick band of tissue that runs across the bottom of your foot. While you mentioned that your symptoms do not entirely align with typical plantar fasciitis, it is still worth considering, especially since heel pain is a common complaint. This condition often presents with pain that is worse in the morning or after periods of inactivity, which seems to resonate with your experience.

Another possibility is peripheral neuropathy, which can lead to sensations of numbness, tingling, or weakness in the legs and feet. This condition can be caused by various factors, including diabetes, vitamin deficiencies (particularly B vitamins), or even prolonged pressure on nerves due to poor posture or prolonged sitting. Given your work nature, where you spend long hours sitting, it is possible that your posture may be contributing to nerve compression, leading to your symptoms.

Additionally, muscle weakness and stiffness can arise from a lack of physical activity. When muscles are not regularly engaged, they can become weak and stiff, leading to discomfort and pain. This is particularly relevant in your case, as you mentioned that you do not engage in regular exercise. A sedentary lifestyle can lead to tightness in the muscles and connective tissues, which may exacerbate your symptoms.

To address your concerns, here are some recommendations:
1. Physical Activity: Incorporate regular physical activity into your routine. Simple exercises like walking, stretching, or low-impact activities such as swimming can help improve circulation, strengthen muscles, and reduce stiffness. Aim for at least 150 minutes of moderate aerobic activity each week, along with strength training exercises.

2. Stretching: Focus on stretching your calves and feet regularly. Tight calf muscles can contribute to heel pain and stiffness. Consider calf stretches, toe stretches, and even using a foam roller on your calves to alleviate tightness.

3. Posture and Ergonomics: Evaluate your sitting posture. Ensure that your workstation is ergonomically set up to reduce strain on your legs and back. Consider using a chair that supports your lower back and allows your feet to rest flat on the floor.

4. Footwear: Pay attention to your footwear. Wearing supportive shoes can make a significant difference in alleviating heel pain and providing adequate support for your feet.

5. Consult a Specialist: If your symptoms persist or worsen, it may be beneficial to consult a healthcare professional, such as a physical therapist or a podiatrist. They can provide a thorough assessment, recommend specific exercises, and help identify any underlying conditions that may be contributing to your symptoms.

6. Pain Management: For immediate relief, consider using ice on the affected areas to reduce inflammation and pain. Over-the-counter pain relievers, such as ibuprofen or acetaminophen, may also help manage discomfort.

In summary, persistent ankle pain and leg weakness can stem from various causes, including plantar fasciitis, peripheral neuropathy, and muscle weakness due to inactivity. By incorporating regular physical activity, stretching, and ergonomic adjustments, you may find relief from your symptoms. However, if the pain continues, seeking professional advice is crucial for a tailored treatment plan.

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