Function & Form Physiotherapy & Exercise
Function & Form & Exercise
Exercise & physiotherapy in North Sydney

Wrist Pain (De Quervain's Synovitis)

A common cause of wrist pain at the base of the thumb is known as De Quervain's Tenosynovitis.  This injury mainly effects the thumb and the wrist and manifest itself as pain on gripping and pinching, and movements of the thumb particularly extending the thumb.  Swelling and redness over the effected tendons may be visible.

Causes

It is thought that the injury results from either  repetitive movements or a direct impact to the outside of the wrist, but it may in some circumstances be idiopathic (no known cause).

Anatomy

The tendons of Abductor Pollics Longus (APL) and Extensor Pollicis Brevis (EPB) are effected.  These tendons run parallel to each other and pass under the Extensor Retinaculum ( which is designed to hold the tendons in place at the wrist joint and prevent bow-stringing.

As the tendons become inflammed and thickened through either repetitive movements or a direct blow they become impinged as they pass under the rigid retinaculum.

Symptoms

Pain on movements of the thumb: pinching, wringing, making a fist, moving the thumb towards the base of the little finger, drawing the thumb away from the hand (stretching outwards) and during activities like opening a jar.

 Diagnosis

The main test used for diagnosis is Finkelstein's Test.  The test in performed by holding arm out straight with thumb side up,  tuck the thumb into the centre of the fingers and make a fist.  Slowly bend wrist towards the floor (Ulnar deviation).  A positive test is indicated when pain is felt over the tendons of the APL and EPB.

Treatment

RICE (An acronym for Rest, Ice, Compression and Elevation).  Therefore using ice packs up to 3 times per day for a period of 10 minutes.

Anti Inflammatory medication may be a usefull method of decreasing inflammation, check with your Doctor which one is most suitable.
Activity Modification involves reducing the amount of aggravating activity, performing the activity in a different way or taking frequent rest breaks.
The use of a Night Splint to the thumb and wrist to rest the tendons is essential.


Soft tissue releases to the involved muscles are usefull physiotherapy techniques
A stretching program for the muscles of the thumb and wrist, and finally

A graduated Strengthening Program for the involved muscles.

Prognosis

If the injury is responding well to the conservative treatment regimen, a positive change in pain and function should be noted after 4-6 weeks, permanent task modification may be required with continued use of the splint.  Surgery may be indicated if pain continues to be debilitating

Exercise Program

  1. Spirit Fingers- Place rubber bands around fingers and open hand  (3 Sets, 12 Reps)
  2. Wrist Stretch -Flexion -Bend Wrist downwards assist with other hand. (Hold 10 Seconds, 3 Repeats)
  3. Wrist Stretch - Extension -Bend Wrist downwards assist with other hand.  (Hold 10 Seconds, 3 Repeats)
  4. Number Four Sign-Hold thumb towards base of 5th finger.  (Hold for 5 seconds, Repeat 5 times)
  5. Wrist Extension Strength- using light weight 1/2 -2 kg , curl wrist upwards beginning in a palm downwards position. (3 Sets, 12 Reps)
  6. Radial Deviation Lowering -using light weight 1/2 kg , in hand shake position, curl thumb side of wrist upwards beginning in a downwards position. (3 Sets, 12 Reps)
  7. Grip- using a tennis ball, or soft ball or theraputty (Hold for 10 seconds, Repeat 5 times)
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