Hand extensor tendon injury
Introduction
Brief introduction of hand extensor tendon injury Extensor tendon injury of the hand: The stretching system of the finger is a complex of tendon and fascia, aponeurosis and ligament. Its function and structure are far more complicated than the flexor tendon system. It is called anatomical membrane (dorsalaponeurosis). device (extensorapparatus). Only by familiarizing with its anatomy and understanding the role of each structure can it properly repair or rebuild its function during injury. basic knowledge The proportion of sickness: 0.2% Susceptible people: no special people Mode of infection: non-infectious Complications: ulnar collateral ligament injury of the metacarpophalangeal joint of the thumb
Cause
Causes of extensor tendon injury in the hand
More due to cutting injuries and hinge injuries.
Prevention
Hand extensor tendon injury prevention
There is no effective preventive measure for this disease, and timely detection of timely diagnosis is the key to the prevention and treatment of this disease.
Complication
Hand extensor tendon injury complications Complications of the ulnar collateral ligament of the metacarpophalangeal joint of the thumb
Improper treatment or postoperative adhesions, making the thumb dysfunctional.
Symptom
Extensor tendon injury symptoms of the hand Common symptoms Computer misrepresentation refers to the extension of the thumb and ankle... The weakness of the finger can not bend and stretch can not stretch the thumb
After each injury, it can be referred to as a finger, and the extension function of the thumb and ankle is completely lost.
The extensor tendon can also be divided into 5 zones.
Zone I: From the end to the central point.
Zone II: Central stagnation to the middle of the proximal phalanx (distal extension of the iliac crest).
Zone III: the extension of the ankle to the distal edge of the dorsal ligament of the wrist.
Zone IV: the area of the ligament of the wrist.
Zone V: Forearm.
Examine
Examination of extensor tendon injury in the hand
X-ray examination often has no positive findings.
Diagnosis
Diagnosis and differentiation of extensor tendon injury in the hand
According to the history of trauma, the injured part, and the dysfunction of the thumb, it is generally not difficult to diagnose.
