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Trigger digit is also called as stenosing tenosynovitis of the finger . The muscles of the forearm are connected through the tendons along with the digit bones . The tendons in every unmarried finger’s breadth are covered by a protective sheath , which is lined with synovium(1)producing a fluid which helps the tendons to slide easily while bending and straightening the finger . Trigger digit is a consideration that affects the tendon sheaths and tendons in the digit . Trigger fingerbreadth is induce in the flexor tendon of the finger . When the tendon become thick they qualify or lock the finger’s breadth force it to remain in a bent place creating difficultness in straighten the finger . Trigger finger occurs due to formation of a nodule in the tendon which gets jammed while passing through the tendon sheath resulting in the condition of the trigger finger .
loosely a trigger finger’s breadth begins with inflammation of tendons situated within a protective shield recognize as the tendon sheath . When the tendon becomes inflamed , nodular and egotistic , this leads to catching of either of the pulleys by the swollen tendon create difficultness for the tendon to slew inside the cocktail dress and hence flexing the digit towards the palm .
Causes of Trigger Finger or Stenosing Tenosynovitis
The primary cause of trigger finger is still not lie with , however there are few reason mistrust to cause them :
Signs and Symptoms of Trigger Finger or Stenosing Tenosynovitis
Treatment for Trigger Finger or Stenosing Tenosynovitis
First stair towards discussion is a bourgeois or nonoperative glide path , which broadly aid overcome the problem . cautious treatment include :
OR may be required only when materialistic treatment such as mentioned above fails to yield any termination . surgical operation is performed under local anaesthesia to release the pulley from constriction and restore full movement of the tendon . Surgery is normally execute as an outpatient .
Exercises for Trigger Finger or Stenosing Tenosynovitis
Stretching Exercises for Trigger Finger or Stenosing Tenosynovitis
Strengthening Exercises for Trigger Finger or Stenosing Tenosynovitis(3)
Investigations for Trigger Finger or Stenosing Tenosynovitis
Generally a complete subjective and physical examination is perform to name a gun trigger digit and to find out the possible affected structures . An MRI may be used in the rarefied case .
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