The ankle joint extension test is a diagnosis of the gastrocnemius muscle and soleus muscle contracture, and the diagnosis of which contracture causes pain. During the examination, the patient straightens the lower leg and stretches the knee or bends the knee.

Basic Information

Specialist classification: growth and development check classification: physical examination

Applicable gender: whether men and women apply fasting: not fasting

Analysis results:

Below normal:

Normal value:
no

Above normal:

negative:
The result of the test was negative. Knee extension or knee flexion can extend back.

Positive:
If the knee is stretched or the knee is bent, the ankle joint cannot be stretched back, indicating that the soleus muscle is contracted. If the ankle joint can be stretched when the knee is bent, the ankle joint can not be stretched when the knee is extended, indicating that the gastrocnemius contracture.

Tips: When you check, you should relax, actively face, and actively cooperate with the inspection. Normal value

The result of the test was negative. Knee extension or knee flexion can extend back.

Clinical significance

Abnormal results:

If the knee is stretched or the knee is bent, the ankle joint cannot be stretched back, indicating that the soleus muscle is contracted. If the ankle joint can be stretched when the knee is bent, the ankle joint can not be stretched when the knee is extended, indicating that the gastrocnemius contracture.

People who need to be examined: people with abnormal pain in the ankle joints who cannot stretch back.

Positive results may be diseases: ankle sprain, sacral skull rickets, ankle acute ligament injury precautions

Taboo before inspection: no special contraindications.

Requirements for inspection: Check the feelings of relaxation, face positively, and actively cooperate with the inspection.

Inspection process

During the examination, the patient straightens the lower leg and stretches the knee or bends the knee.

Not suitable for the crowd

There are no special taboos.

Adverse reactions and risks

Nothing.