A trigger finger is a common disorder of later adulthood characterized by catching, snapping or locking of the involved finger flexor tendon, associated with dysfunction and pain. In the video above hand surgeon Dr. Neema Amin (John Randolph Medical Center) describes treatment options and when to seek medical attention when the trigger finger gets more frequent or painful.

What causes trigger finger – a.k.a. stenosing tenosynovitis?

Causes for this condition are not always clear. Some trigger fingers are associated with medical conditions such as rheumatoid arthritis, gout, and diabetes. Local trauma to the palm/base of the finger may be a factor on occasion, but in most cases there is not a clear cause.

Learn more about the role of a trigger finger in a hand assessment for Diabetes Mellitus or Rheumatoid Arthritis:

28 Hand characteristics in Rheumatoid Arthritis
33 Hand characteristics in Diabetes Millitus

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Hands can feel like pins and needles in the fingertips/fingers: paraesthesia.

Many people often fee tired and experience the feeling like having ‘pins and needles in your fingertips’. It might be a sign that you’re having a vitamin B12 deficiency – especially if you’re a vegan. However, there are other causes for having this rather painful feeling in the hands and fingers.

The medical name for feeling pins and needles in your fingers is ‘paraesthesia‘. Paraesthesia is a sign that sensory nerves in the area of the tingly sensation are being irritated – sometimes this condition is combined with small colour variations in the hand (pink/yellow spots). The condition may be the result of a disease or damage to the nerves themselves, damage to the blood supply, or disease of the surrounding tissues (arthritis the nerves themselves get affected).

Pins and needles are a more complaint as people get older – poor blood supply is then likely the cause because of atherosclerosis or hardening of the arteries. Millions of people in the developed world suffer on the feeling of having pins and needles in the hands & fingers – and often the conditions is associated by the people with RSI.

So, there are a variety of possible causes:

• Carpal Tunnel syndrome;
• Multiple sclerosis;
• Vitamin deficiencies;
• Metabolic disorders (e.g. diabetes);
• Poisoning (heavy metals);
• Infections;

Karen Evennett (free lance journalist) says:

“There’s far more to reading hands than fortune-tellers’ mumbo jumbo – it can be a life-saving skill if you know what to look for. Pins and needles in your fingers is a sign that you’re lacking in vitamin B12, which is essential for energy and the nervous system. A deficiency is more likely if you’re vegan, as the main sources are meat, fish, eggs and dairy.”

Source: Your health is written in your hands