Leg weakness, Neurology FAQ

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Exploring Causes of Leg Weakness: Beyond MRI and Dopamine Imaging

The left foot feels weak when starting to walk, and MRI, electromyography, and dopamine imaging have all shown no abnormalities? Hello Doctor, my family member has experienced foot drop for the past five years. When changing positions (from sitting to standing, starting to walk, ...


Dr. Peng Shiwei Reply:
It is recommended to take your family member to a neurosurgery department for evaluation. Thank you.

[Read More] Exploring Causes of Leg Weakness: Beyond MRI and Dopamine Imaging


Understanding Weakness in Legs: When Standing Becomes Impossible

Leg weakness ~ inability to stand? Hello, my mother was born in 1938 (in her seventies)! She is approximately 162 cm tall and weighs 80 kg. Today, when I returned to my hometown, I discovered that my mother is unable to stand or walk. Since she lives with a family member, we init...


Dr. Jiang Junyi Reply:
Dear Yu-Jie, You mentioned that "she is unable to go out for medical treatment on the second floor and currently cannot walk even with family support." The symptoms you described may suggest a lumbar compression fracture. I recommend requesting assistance from a rehabi...

[Read More] Understanding Weakness in Legs: When Standing Becomes Impossible


Understanding Muscle Twitches and Weakness After Illness: A Neurological Perspective

Muscle twitching accompanied by mild weakness? Hello Doctor, I am 21 years old. About a week ago, I had a cold, and in the past few days, I have started to experience mild weakness in my right leg, especially noticeable when sitting. This is accompanied by occasional muscle twitc...


Dr. Peng Shiwei Reply:
Hello, it is rare for individuals with amyotrophic lateral sclerosis (ALS) to occur at your age. Additionally, the exercises you have been practicing recently require frequent use of the knees. I recommend consulting with a sports medicine specialist or an orthopedic physician to...

[Read More] Understanding Muscle Twitches and Weakness After Illness: A Neurological Perspective


Understanding Muscle Weakness and Twitching: Should You Worry?

Muscle issues Hello doctor, a few weeks ago I experienced weakness in one leg and muscle twitching throughout my body, but everything in my life was normal. Now the twitching has become less frequent, and the feeling of weakness has gradually diminished. Should I be concerned abo...


Dr. Jiang Junyi Reply:
Hello Mr. Chen: You mentioned "unilateral leg weakness and muscle twitching in the body..." This may need to be considered in the context of typical discomfort symptoms associated with lumbar nerve root pathology, which includes pain radiating from the buttocks to the l...

[Read More] Understanding Muscle Weakness and Twitching: Should You Worry?


Understanding Left Leg Weakness and Vibrations: Possible Nerve Issues

Weakness in the left foot and a vibrating sensation in the sole of the foot? Your question: Hello Doctor, about a month ago, I started experiencing soreness in both buttocks, with the left side being more painful. Sometimes my left leg feels weak. The rehabilitation doctor arrang...


Dr. Jiang Junyi Reply:
Hello Mr. Chen: Based on the nerve conduction study report you provided, there is evidence of left lumbar nerve root compression. The condition you are concerned about, amyotrophic lateral sclerosis (ALS), is a rare disease. Clinical diagnosis requires methods such as electromyog...

[Read More] Understanding Left Leg Weakness and Vibrations: Possible Nerve Issues


Understanding Left Leg Weakness and Vibrations: Possible Nerve Compression?

Weakness in the left foot and a vibrating sensation in the sole of the foot? Hello Doctor, about a month ago, I started experiencing soreness in both buttocks, with the left side being more painful. Sometimes my left leg feels weak. The rehabilitation doctor arranged for an elect...


Dr. Cai Zongzhang Reply:
Hello Mr. Chen: The symptoms mentioned above could be indicative of a neurological disorder. It is recommended that you visit a neurology outpatient clinic.

[Read More] Understanding Left Leg Weakness and Vibrations: Possible Nerve Compression?


Understanding Visual Disturbances and Leg Weakness: A Neurological Perspective

Visual abnormalities and weakness or numbness in the calves? Hello Doctor, since June, I have been experiencing unclear vision on the edges of my left eye. After an ophthalmological examination, a visual field defect was found, raising concerns about a possible neurological issue...


Dr. Jiang Junyi Reply:
Dear Miss Abo, You mentioned that "the edges of things appear unclear in my left eye." The report seems unable to explain this condition, but it does mention "suspect hypoplasia of the right vertebral artery." I wonder if you have any risk factors for cerebro...

[Read More] Understanding Visual Disturbances and Leg Weakness: A Neurological Perspective


Dizziness and Leg Weakness: Understanding Neurological Symptoms

Dizziness, leg numbness, and tremors? Hello, doctor. Today, I felt like the floor was shaking while standing on one leg, which I didn't experience last night or before. The leg I was standing on also felt particularly shaky. Sometimes, I experience numbness and slight weakne...


Dr. Jiang Junyi Reply:
Dear Ms. Bei, You mentioned that "when standing on one leg, I always feel like the floor is shaking, but this was not the case last night or before, and the leg I stand on is particularly shaky. Sometimes my legs and feet feel numb and slightly weak, but it does not affect ...

[Read More] Dizziness and Leg Weakness: Understanding Neurological Symptoms


Left Arm and Leg Weakness: Seeking Answers for Neurological Issues

Weakness in the left arm and difficulty lifting the left leg, leading to trouble walking? Hello Doctor, As per the title, my mother has been experiencing weakness in her left hand and left leg for over a year. Both her left hand and leg have muscle atrophy, and her condition is...


Dr. Jiang Junyi Reply:
Dear Mr. Tsai, You mentioned that your mother was previously able to walk to the bathroom with the aid of a walker, but now she is unable to walk and can only sit in a wheelchair. I am not sure if the doctor has any recommendations for further examinations. I wonder if your moth...

[Read More] Left Arm and Leg Weakness: Seeking Answers for Neurological Issues


Navigating Unclear MRI Results: Seeking Effective Treatment for Stroke Symptoms

Magnetic resonance imaging (MRI) shows no evidence of thrombosis or is inconclusive, making rehabilitation treatment unfeasible? Hello, my mother experienced weakness in her legs, unclear speech, and difficulty swallowing in mid-June, although the symptoms were not very pronounce...


Dr. Cai Zongzhang Reply:
Based on the aforementioned symptoms, there are multiple possible diagnoses for the patient, and further examinations must be arranged. For example: Parkinson's disease, thyroid function, etc. It is recommended to first admit the patient for evaluation in the neurology depar...

[Read More] Navigating Unclear MRI Results: Seeking Effective Treatment for Stroke Symptoms


Possible Causes of Sudden Leg Weakness Below the Knee: Next Steps for Diagnosis

Weakness in the legs (below the knees) If there is sudden weakness in the leg, what could be the possible causes? I have undergone nerve ultrasound and blood tests, and the results showed no issues. What other areas can I explore for further examination?


Dr. Jiang Junyi Reply:
Hello: Your symptoms may need to be evaluated starting from the instability of the knee ligaments. This can be assessed through your walking posture, and it is recommended to consult a rehabilitation or orthopedic physician for examination. If you experience accompanying symptoms...

[Read More] Possible Causes of Sudden Leg Weakness Below the Knee: Next Steps for Diagnosis


Understanding Heel Walking and Toe Lift Issues After a Motorcycle Accident

Walking on the heels (unable to lift the toes of the right foot)? Hello Doctor: Three years ago, I fell off my motorcycle and injured my lower back. Now, when I walk, I can lift the toes of my left foot, but I cannot lift the toes of my right foot. Could this be due to nerve comp...


Dr. Jiang Junyi Reply:
Hello, based on your description, there are many potential causes for leg weakness, such as muscle atrophy and lumbar nerve compression, which need to be evaluated. Your symptoms may suggest peroneal nerve dysfunction, one of the most common localized neuropathies in the lower ex...

[Read More] Understanding Heel Walking and Toe Lift Issues After a Motorcycle Accident


Understanding Leg Weakness: Causes and When to Seek Help

Weakness in the legs? Hello: For a long time, I have felt weakness in my lower legs while sleeping, making it difficult for me to fall asleep. I have to rub my legs together until I get tired enough to sleep. I have been accustomed to sleeping on my right side, but since last yea...


Dr. Cai Zongzhang Reply:
Hello, based on your symptoms, it is recommended that you visit the neurology outpatient clinic for nerve conduction studies and electromyography for further diagnosis.

[Read More] Understanding Leg Weakness: Causes and When to Seek Help


Understanding Right Leg Weakness: Possible Causes and When to See a Neurologist

Unilateral weakness? Hello Doctor: My mother has been experiencing weakness in her right leg for about three days. Aside from this, she has not felt any pain or numbness, and there are no issues with her right hand. My mother works in the sewing machine industry, similar to alter...


Dr. Jiang Junyi Reply:
Hello: Based on your description, your mother has a history of hypertension and other cardiovascular diseases, which places her in a high-risk group for stroke. If she experiences sudden neurological deficits such as weakness in limbs or slurred speech, the first consideration sh...

[Read More] Understanding Right Leg Weakness: Possible Causes and When to See a Neurologist


Understanding Muscle Twitches and EMG Results: A Neurology Perspective

Muscle twitching and electromyography-related issues? Hello Doctor, Since around June 2017, I began to notice slight tremors in both of my hands, and when lying flat, I felt a sensation of my body vibrating. In July, I visited a neurologist for the first time, and the doctor ob...


Dr. Jiang Junyi Reply:
Hello: Generally speaking, about 70% of patients with motor neuron disease present with limb weakness, while around 20% exhibit weakness in the bulbar region as their clinical manifestation. In terms of limb involvement, the initial presentation is usually asymmetric hand weaknes...

[Read More] Understanding Muscle Twitches and EMG Results: A Neurology Perspective


Understanding Weakness in the Left Leg: A Neurological Perspective

My 82-year-old mother has weakness in her left leg? Hello, my mother says that when she tries to get up from bed or stand up from sitting, she feels a tightness and weakness in her left leg. When she takes the first step, it feels like she might step into empty space. Could this ...


Dr. Jiang Junyi Reply:
Hello, based on your description, there are many potential causes for leg weakness, such as muscle atrophy, lumbar nerve compression, and joint degeneration leading to instability. A thorough examination is necessary. Additionally, elderly individuals may sometimes experience ort...

[Read More] Understanding Weakness in the Left Leg: A Neurological Perspective


Post-Car Accident: Dealing with Right Leg Weakness and Numbness

After the car accident, there is weakness in the right leg muscles and frequent sensations of numbness? Hello, Dr. Jiang. I was in a car accident on June 4, 2017, during which I sustained noticeable abrasions on my right foot and right hand. However, after 2-3 weeks, the abrasion...


Dr. Jiang Junyi Reply:
Hello, based on your description, your symptoms may be related to a tendon injury. The lumbar spine can become inflamed or compress the nerve roots due to external forces. If rehabilitation treatment is not pursued due to pain, muscle atrophy may occur from disuse. In addition to...

[Read More] Post-Car Accident: Dealing with Right Leg Weakness and Numbness


Understanding Leg Weakness and Pain: Possible Neurological Causes

Leg weakness and soreness? The doctor would like to inquire about recent symptoms of persistent leg weakness, lower back soreness, discomfort in the coccyx while sitting, and involuntary shaking of the lower back when bending over. What could be the cause of these symptoms?


Dr. Jiang Junyi Reply:
Hello: Your symptoms are more indicative of a herniated disc, which commonly presents with lower back pain, cramping pain in the calves and the back of the thighs, and sensory abnormalities. Diagnosis can generally be assisted through physical examinations, nerve conduction studi...

[Read More] Understanding Leg Weakness and Pain: Possible Neurological Causes


Understanding Sudden Right Leg Weakness: Possible Neurological Causes

Weakness in the right leg, unable to lift it? I suddenly experienced weakness in my right leg, making it difficult to lift my leg, take steps, or stand on one foot. I am unable to kick my leg out or ascend stairs using my right foot alone. As an athlete, I was previously diagnose...


Dr. Lan Shengxing Reply:
Hello, since you are already hospitalized and have been examined by a specialist and through diagnostic tests, this information should be more reliable than that from someone you have never met online. You may consider seeking further evaluation at another medical facility.

[Read More] Understanding Sudden Right Leg Weakness: Possible Neurological Causes


Understanding Right Leg Weakness and Pain: Seeking Neurology Solutions

Lower back and leg pain (right leg weakness) Hello: I hold a mild physical and mental disability certificate (lower limb disability). Although I cannot walk quickly or run, I can stand and walk on my own without any issues. Recently, I suddenly noticed weakness in my right leg, a...


Dr. Jiang Junyi Reply:
Hello, based on your description, there are many potential causes for leg weakness, such as muscle atrophy, lumbar nerve compression, and vascular obstruction, among others. A thorough examination is necessary. I recommend consulting with a neurologist or a rehabilitation physici...

[Read More] Understanding Right Leg Weakness and Pain: Seeking Neurology Solutions


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