I believe everyone has experienced numbness in their hands and feet. It may be caused by insufficient blood circulation, or it may be caused by nerve damage. Chen Guangjin, a physical therapist at Jianheng Physical Therapy and Specialized Training Center, pointed out that there are many causes of numbness in hands and feet, such as insufficient blood circulation, nerve compression, diabetes, spinal cord injury, etc., and the general numbness is temporary. It will disappear after the situation improves. The physiotherapist shared 2 simple test methods and 2 improvement actions to help loosen the nerves and reduce nerve tension.
Physiotherapist Chen Guangjin pointed out that there are many causes of numbness in the hands and feet. The common causes are insufficient blood circulation or compression of the nerves. In addition, some diseases can cause paralysis symptoms, such as diabetes, autoimmune system problems, spinal cord injury, stroke or multiple sclerosis etc. Paralysis caused by nerve problems is generally temporary and disappears when the nerve compression improves, but if the nerve compression or damage persists, the patient may experience numbness, touch When touching the skin, it is as if separated by a layer of veil.
The physical therapist continued that the numbness sometimes occurs at the same time as the pain. This kind of numbness is related to neuropathy and belongs to “neuropathic pain” and can be divided into 3 categories:
- Nociceptive Pain: It is the pain sensation produced when body tissues are injured or inflamed.
- Neuropathic Pain: Pain that occurs when the somatosensory nervous system is damaged.
- Nervous sensitivity pain: When the brain’s ability to process pain signals has problems, it leads to tactile pain and pain sensitivity.
2 easy ways to test for a pinched nerve
Chen Guangjin pointed out that arm paralysis is mainly caused by the cervical nerve line or the peripheral nerves of the upper limbs. Taking carpal tunnel syndrome as an example, the median nerve is affected. Cervical nerve line problems in segments 6 to 7 are confused because both are responsible for similar sensory areas.
Therefore, in physical therapy diagnosis, the therapist will not only use professional imaging examinations such as nerve conduction test or magnetic resonance, but also use the following two simple and objective tests for judgment, so as to choose the appropriate treatment method to deal with the cervical nerve Line stress problem:
Pressure test:The purpose is to narrow the intervertebral foramen space and increase the compression on the cervical nerve line. Patients with cervical nerve line problems will have upper limb numbness and pain.
Nervous tone test:The purpose is to increase the tension of the median nerve through upper limbs and head and neck movements. Patients with problems with the median nerve will experience severe numbness and pain.
The therapist added that sometimes different electrotherapy instruments are used to relax muscles, reduce inflammation and swelling, and reduce the compression and stimulation of upper limb nerves.
2 improving movements to loosen the nerves
Chen Guangjin shared 2 improvement exercises, which help loosen nerves and reduce nerve tension:
The first movement mainly targets the nerves of the arm:
step:
1. First, straighten the hand on the affected side, with the palm facing the sky, and put the palm against the wall.
2. Then slowly turn the head and neck to the other side until the arm feels a slight pull.
3. Then move the head and neck back to the middle position and repeat the movement 10 times.
The second movement mainly targets the nerves of the lower extremities:
step:
1. First, look down with your head, bend your body and relax, and put your hands on your lower back.
2. Then slowly straighten the foot on the affected side, and if necessary, bend the top of the foot upward until there is a slight pulling sensation on the back of the foot.
3. Then put your feet down and repeat the movement 10 times.
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