Hypertonia

Introduction The tension in the state of static relaxation of the muscle is called muscle tension and is the basis for maintaining various postures and normal movements of the body. People with high muscle tension may exhibit abnormal postures during exercise and at rest.

Cause

The diseases that cause increased muscle tone are as follows:

1. Cone beam disease causes increased muscle tone:

1 tremor paralysis.

2 Hepatolenticular degeneration.

3 juvenile and Westphal type Huntington chorea.

2. Extrapyramidal diseases cause increased muscle tone.

3. Cerebellar diseases cause increased muscle tone.

4. Increased muscle tone caused by brain stem disease.

5. Increased muscle tone caused by peripheral nerve disease.

6. Increased muscle tone caused by myogenic diseases.

7. Increased muscle tone caused by other diseases.

1 tetanus.

2 hand and foot convulsions.

an examination

Related inspection

Electromyography muscle tension test urinary phenylpropionic acid test

1. Hypertonic muscle can cause abnormal posture, which is often a typical manifestation of high muscle tension in infants. For example, the crossed legs are caused by hypertonic muscle tension in the lower extremities.

2, myotonia refers to the muscle hypertonic hyperextension and persistence, similar to convulsions, often the performance of high-intensity infants with high muscle tension, such as going to the brain tonic.

3, muscle tension is not coordinated refers to the tension of the extensor and flexor muscles, often causing the hands and feet to move.

Differential diagnosis

The main bifurcation is two kinds of tonicity:

Increased spasm of the sacral muscles is associated with damage to the cone, and spinal cord reflexes are facilitated. When passively moving a patient's joint, a sense of impedance occurs in the case of increased muscle tone, which is related to the speed of being exercised. When the muscles in the shortened state are quickly drawn, the contraction is immediately caused, and the state of paralysis is felt. When the stretch is reached to a certain extent, the resistance suddenly disappears, that is, the so-called knives-like muscle tension is increased. Increased spastic muscle tension is not related to "sputum", which refers to an involuntary muscle contraction.

Increased tonic muscle tone is seen in some extrapyramidal lesions with special tension changes, the muscle tension is increased, the upper limbs are adductive muscles, the flexor and pronator muscles are dominant, and the lower limbs are superior to the extensor muscles. The resistance encountered when passively moving a patient's limb is generally smaller than that of a sputum, but it has nothing to do with the length of the muscle at that time, ie, the contraction morphology. There is no difference between the extensor and the flexor. Regardless of the speed, amplitude, and direction of the action, the same resistance is encountered. This increase in muscle tone is called lead-like tonic, such as alternating looseness due to tremor, which is called gear-like rigidity.

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