CARPAL TUNNEL SYNDROME

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CARPAL TUNNEL SYNDROME


Carpal Tunnel as the name suggests, is a tunnel formed by carpal bones and flexor retinaculum. Through this tunnel courses a bundle of nerves, blood vessels and tendons that supply our hands.

Explainer: what is carpal tunnel syndrome and what happens if I ...

Median nerve passes through this tunnel. Sometimes tendons in the wrist become swollen which can result in the compression of the median nerve. This condition is often called Carpal tunnel syndrome.

Before we delve into the symptoms and treatments of carpal tunnel syndrome, we will first understand the areas supplied by the median nerve in our hand. 

Median nerve generally supplies the LOAF muscles. These muscles are:

  • Lumbricles
  • Opponens Pollicis
  • Abductor Pollicis Brevis
  • Flexor Pollicis Brevis  
Actions of the muscles supplied by the median nerve:

1. Lumbricles- Flexion of MCP joint and extension of IP joint
2. Opponens Pollicis- Opposition
3. Abductor Pollicis Brevis- Abduction of thumb
4. Flexor Pollicis Brevis- Flexes MCP joint of the thumb

Carpal tunnel syndrome results in pain, numbness and tingling sensation in the areas supplied by the median nerve in our hand.

Carpal Tunnel Syndrome FAQs

This syndrome consists of motor, sensory, vasomotor and trophic symptoms in the hand. 

  • Motor changes- Loss of opposition of thumb. 
  • Sensory changes- Sensation loss on lateral side of the fingers.
  • Vasomotor changes- Cutaneous area with loss of sensation is warmer due to arteriolar dilatation.
  • Trophic changes- Dry and scaly skin.
Tests and diagnosis for Carpal Tunnel Syndrome:

1. Tinel's sign: .
The therapist taps or press the median nerve with a reflex hammer. If the patient feels pain or tingling sensation then it can be an indicative of carpal tunnel syndrome.
Tinel's Sign (Test) at the Wrist for the Median Nerve – Free DPT

2. Phalen's test:
It is also called wrist flexion test. The therapist flexes patient's wrist manually and holds together for one minute. If there is any pain or tingling sensation in the thumb, index finger and lateral half of the ring finger then it can be an indicative of carpal tunnel syndrome.
Phalen's Test (Phalen's Maneuver) – Free DPT

Treatment:

Splints:
 Wearing a resting splint can help prevent the symptoms occurring at night, or a working splint can be   useful if your symptoms are brought on by particular activities. Your doctor or physiotherapist can   advise on where you can be fitted with a splint.

 Steroid injections :
 To reduce inflammation, your doctor or a specialist physiotherapist can give you a steroid injection   into  your carpal tunnel. The injection may be uncomfortable, but the effects can last for weeks or   months. A steroid injection into the wrist joint itself may help if you have arthritis in your wrist. Your   pain should ease within 2 weeks and you should recover over approximately a 4–6 week period. You   should use the exercises overleaf for at least 6–8 weeks to help prevent symptoms returning.


Exercises for Carpal tunnel syndrome:

42 Best Carpal Tunnel Relief images | Carpal tunnel relief, Carpal ...

Surgical treatments:

If the symptoms continue to appear then patient can undergo surgery. 


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