Blackberry thumb

(Also Nintendo thumb, iPod thumb, text messaging thumb)

Blackberry thumb is an irritation of the muscles and tendons at the base of the thumb. It is a rapidly growing condition as more people use thumb-operated gadgets.

Symptoms of Blackberry thumb

• Pain: At the base of the thumb which may continue even when the thumb is not being used
• Ache: In the thumb web space or base of thumb joint
• Muscle tension: In the web space between the thumb and index finger

What causes Blackberry thumb?

The muscles and tendons of the thumb are very strong but are not designed for the type of intense activity associated with many of today's handheld devices. Muscle fatigue and excessive muscle tension can cause pain and ache in the muscles and restrict the joint flexibility. Over the long term this kind of excessive use can irritate the tendons (see tendonitis) and additionally lead to premature arthritis.

What can I do about it?

• Rest: Stop doing what makes it hurt. This important phase allows the body to start healing.
• Gentle stretching and massage: Reducing muscle tension will improve flexibility and resolve the achy sensation. Less muscle tension means less force on the tendons and less chance of developing tendonitis.
• Balancing of muscle strength: Strengthening weak muscles and loosening tight muscles is crucial to achieving full recovery.

Similar issues

• RSI: Repetitive use can lead to premature wear and tear in muscles, tendons and joints. More on RSI
• Arthritis: Osteoarthritis and rheumatoid arthritis can both affect the joint cartilage of the fingers.
• Tendonitis: Microtears in the tendons causes them to swell and may restrict movement. More on tendonitis.
• DeQuervain's: A type of tenosynovitis in the tendons on the back of the thumb.

 

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