The pain between thumb and index finger shouldn’t be taken as a frivolous ailment. It can lessen and in severe case, completely finish the capacity of the hand to grip objects normally from the thumb and index finger. Normally, most people take this benefit for granted, but once it hinders daily movements, the individual is greatly disturbed.

If the individual is facing pain between the thumb and index finger, then there are two possible reasons for it. The first is carpal tunnel syndrome and other is an injury. Both cases will be examined in this case, so the best line of attack can be decided.

1: Injury also known as Skier’s thumb

Blunt force can often result in thumb trauma. The pain can materialize between the thumb and index finger. The trauma’s force can damage the softer tissues which joins the bones of a thumb causing pain in returns. It is more popularly known as skier’s thumb as this injury is most commonly seen in skiers. The hand is put on the pole and when they land back on the ground from their elevated jump, the injury develops. But not necessarily, the heights of skiing develop this problem.

These are the symptoms, which can verify if the pain is caused by trauma:

  • Pain is caused in the webbing between index finger and thumb.
  • The lack of capacity of gripping objects properly.
  • The thumb can get discolored.
  • The thumb hurts when it is moved to the side.

If these symptoms are shown, then doctor should be consulted first and foremost. Treat the pain with ice, if doctor is difficult to reach immediately. Keep the afflicted area immobilized. The doctor treats the injury with a cast or splint. In other words, corrective surgery is conducted.

2: Carpal tunnel syndrome

The carpal tunnel syndrome is a much severe problem, which is caused by bluntness to the thumb and index finger. The blunt force can traumatize the tissue, but the carpal tunnel syndrome causes nerve damage. Consult the doctor for these symptoms verification:

  • Stiffness in the forearm, hand or wrist occurs, which can cause sleepless nights for the afflicted individual.
  • The tingling sensation is felt often where several pins strike the hand with venomous ferocity.
  • The pain or the stiffness becomes worse when afflicted hands are used.
  • Stiffness remains in the hand when person wakes up in the morning.

3: Rock climbing

Rock climbing is a severely demanding sport which requires the climber to scale some serious height. The rocks are both artificial and real life rocks, which depend on the user’s preference. During the process of climbing, the fingers are under severe stress in order to keep the body from falling. As a result, cramps develop between index finger and thumb. It is the direct consequence of using the muscles and stretching them to the maximum limit.


If there is a hand cramp during the climb, it is plausible that hands weren’t that much stretched prior to climbing. There are hand stretches which concentrate on index finger and thumb as well as curls to hand extension.

Rock climbing has many advantages as it improves the overall muscle strength and assists in burning calories. Safety precautions must be used while climbing mountains.

For the novice climber, take help from a certified mountain climber. The mountain climber will assist in safety tips and holding on to the rope tight. The partner can help get down safely in the event pain arises.

The mechanism

The median curve is a nerve, which runs along the narrow passage named carpal tunnel present on the palm side of the wrist. This carpal tunnel is pinched or flattened. This nerve is responsible for the sensation in the thumb and three fingers afterwards. It also controls the nerve control movement as well.  Due to compression or pinching, the pain materializes. It is critical to note that pinky finger is under pain; then it is not due to carpal tunnel syndrome because it has no relation with carpal tunnel.

It is necessary to consult with a doctor when the pain persists beyond two weeks. The carpal tunnel syndrome is also treated with therapy as well as protective splints. Surgery is needed to repair the afflicted ligaments.

The pain between the thumb and finger can’t be ignored as trivial. Delaying the ailment can worsen the ailment. This is a given for all ailments.

The pain in the hands and fingers can arise due to arthritis. Also, the pain can also be subject due to sprain of the finger and hand ligaments. Strain and stress can be caused to the muscles. There are muscles in the forearm, which can produce pain in the fingers and hands. These can include:

  • Supinator
  • Extensor carpi radialis longus
  • Extensor carpi radialis brevis
  • Flexor pollicis longus
  • Brachioradialis
  • Palmaris longus
  • Pronator teres
  • Flexor digitorum
  • Pronator quadratus
  • Flexor carpi ulnaris

These are the muscles causing pain between the thumb and index finger.