knee reflex

Periosteal reflex is a reflex that slams the styloid process of the humerus, flexing the elbow, flexing the finger, and elbow. During the seat examination, the calf was completely sagging and sagging. When lying down, the lower limb was lifted in the armpit, so that the hip and knee joints were slightly flexed, and the quadriceps tendon under the tibia was hammered by the percussion hammer, and the normal reaction was the extension of the calf. The reflection center is 2 to 4 knots in the lumbar spine. If the patient is too nervous and the reflex cannot be induced, the patient can be buckled with both hands and tightened and tried again. Basic Information Specialist classification: growth and development check classification: physical examination Applicable gender: whether men and women apply fasting: not fasting Tips: You can relax yourself before you check, so that the inspection can proceed smoothly. Normal value The normal reaction is for the calf to stretch. Clinical significance Abnormal results: knee reflexes disappeared or disappeared most commonly in the spinal cord or peripheral neuropathy, which is one of the signs of lower motor neuron spasm, more common in myopathy, cerebellum and extracorporeal diseases. Hyperreflexia is a sign of upper motor neuron, seen in hyperthyroidism, tetanus, low-calcium convulsions, and excessive mental stress can also occur. The population in need of examination suspects patients with motor neuron spasms. Precautions Contraindications before inspection: You can relax yourself before you check, so that the inspection can proceed smoothly. Requirements for inspection: Try to relax as much as possible during the examination, not too tight to affect the results of the examination, and actively cooperate with the doctor's work. Inspection process During the seat examination, the calf was completely sagging and sagging. When lying down, the lower limb was lifted in the armpit, so that the hip and knee joints were slightly flexed, and the quadriceps tendon under the tibia was hammered by the percussion hammer, and the normal reaction was the extension of the calf. The reflection center is 2 to 4 knots in the lumbar spine. If the patient is too nervous and the reflex cannot be induced, the patient can be buckled with both hands and tightened and tried again. Not suitable for the crowd Inappropriate population: Patients with lower limb disabilities or loss of their own. Adverse reactions and risks Nothing.