The little finger flexion test is to let the patient curl the little finger and observe that it is barrier-free and is used to diagnose ulnar nerve palsy.

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:
Negative: The little finger can curl.

Positive:
The patient's palm is placed down on the examination table, and then the fingers are simultaneously slammed on the table. If the little finger can't, it is positive. The examiner lifts the patient's hand, fixes the middle phalanx of the little finger and the ring finger, and straightens the hand. Then the patient's two fingers are flexed. If the second finger can not actively flex, the test is positive. Positive is mainly seen in ulnar nerve palsy.

Tips: Relax when checking and actively cooperate with the inspection. Normal value

The result of the test is negative: the little finger can curl.

Clinical significance

Abnormal results: The patient's palm is down, lying flat on the examination table, and then letting each finger simultaneously do the action of scratching the desktop. If the little finger can't, it is positive. The examiner lifts the patient's hand, fixes the middle phalanx of the little finger and the ring finger, and straightens the hand. Then the patient's two fingers are flexed. If the second finger can not actively flex, the test is positive. Positive is mainly seen in ulnar nerve palsy.

People who need to be examined: People who can't curl their little fingers.

Positive results may be diseases: ulnar nerve palsy, ulnar nerve injury precautions

Taboo before inspection: no special contraindications.

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

Inspection process

The patient's palm is down, lying flat on the examination table, and then letting each finger simultaneously do the action of scratching the table.

The examiner lifts the patient's hand, fixes the middle phalanx of the little finger and the ring finger, and straightens the hand. Then the patient's two fingers are flexed.

Not suitable for the crowd

Inappropriate crowd: None.

Adverse reactions and risks

Nothing.