The scraping test is also called "nail test". Scratch from top to bottom on the surface of the humerus, the test positive indicates the presence or absence of a dislocation of the tibia fracture. The patient was placed in a supine or sitting position, and the affected knee was in a semi-flexed state. The examiner used the back of the thumb and scratched the surface of the humerus from top to bottom.

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:
There is no gap and tenderness on the surface of the cheekbones.

Positive:
The positive test indicates that there is a dislocation of the tibia fracture.

Tips: Check your relaxation, face it positively, and check it out. Normal value

The result of the test was negative. There is no gap and tenderness on the surface of the cheekbones.

Clinical significance

The result of the abnormal result test was positive, that is, there was a gap and tenderness on the surface of the tibia, which was positive. The positive test indicates that there is a dislocation of the tibia fracture.

People who need to be examined have abnormal pain in the tibia.

Positive results may be diseases: tibiofibular fractures, acute patella dislocation precautions

Inappropriate crowd: None.

Taboo before inspection: no special contraindications.

Requirements for inspection: Check the relaxed mood, face it positively, and cooperate with the inspection.

Inspection process

The patient was placed in a supine or sitting position, and the affected knee was in a semi-flexed state. The examiner used the back of the thumb and scratched the surface of the humerus from top to bottom.

Not suitable for the crowd

There are no special taboos.

Adverse reactions and risks

Nothing.