Repetitive movements like using a smartphone continuously can lead to various bone and joint problems in the hands. Dr. Huynh Hoang Anh, Department of Rehabilitation at Tam Anh General Hospital in Ho Chi Minh City, explained that positions like bending the wrist, using the little finger as a support, and gliding with the thumb when using smartphones can cause damage to the wrist joint and pain in the thumb and little finger.
The tendons in the thumb help the finger bend or straighten. Overuse of these tendons can lead to fatigue and tendon damage, resulting in pain and stiffness in the fingers. Pain in the little finger can occur when it is used as a support while holding the phone, leading to numbness, pain, stiffness, and clicking sounds in the finger joints.
Carpal tunnel syndrome can also develop from holding a phone in a bent position for long periods, putting pressure on the median nerve in the wrist. This condition can result in numbness, tingling, and pain in the thumb, index finger, and middle finger, reducing grip strength and wrist mobility. Elbow pain can also occur from bending the elbow at an angle greater than 90 degrees, which increases pressure on the ulnar nerve.
In severe cases of bone and joint damage from prolonged phone use surgery may be necessary. Resting and limiting finger and wrist movement along with over-the-counter pain medication can help alleviate symptoms. To prevent further damage it is recommended to limit continuous phone use, use both hands and smaller buttons to reduce strain on hands
