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2. Joint cracking - Wikipedia

   en.wikipedia.org/wiki/Joint_cracking

   The common old wives' tale that cracking one's knuckles causes arthritis is without scientific evidence. [17] A study published in 2011 examined the hand radiographs of 215 people (aged 50 to 89). It compared the joints of those who regularly cracked their knuckles to those who did not. [18]

3. Can Knuckle Cracking Really Cause Arthritis? We Asked ... - AOL

   www.aol.com/knuckle-cracking-really-cause...

   One study also examined habitual knuckle cracking’s affect on grip strength, and found it to be null. Osteoarthritis is characterized by the deterioration of cartilage around the joint, which ...

4. Trigger finger - Wikipedia

   en.wikipedia.org/wiki/Trigger_finger

   Trigger finger, also known as stenosing tenosynovitis, is a disorder characterized by catching or locking of the involved finger in full or near full flexion, typically with force. [2] There may be tenderness in the palm of the hand near the last skin crease (distal palmar crease ). [ 3 ]

5. Dupuytren's contracture - Wikipedia

   en.wikipedia.org/wiki/Dupuytren's_contracture

   In Dupuytren's contracture, the palmar fascia within the hand becomes abnormally thick, which can cause the fingers to curl and can impair finger function. The main function of the palmar fascia is to increase grip strength; thus, over time, Dupuytren's contracture decreases a person's ability to hold objects and use the hand in many different ...

6. Boxer's fracture - Wikipedia

   en.wikipedia.org/wiki/Boxer's_fracture

   The symptoms are pain and tenderness in the specific location of the hand, which corresponds to the metacarpal bone around the knuckle. When a fracture occurs, there may be a snapping or popping sensation. There will be swelling of the hand along with discoloration or bruising in the affected area.

7. Heberden's node - Wikipedia

   en.wikipedia.org/wiki/Heberden's_node

   Heberden's nodes are hard or bony swellings that can develop in the distal interphalangeal joints (DIP) (the joints closest to the end of the fingers and toes). [1] They are a sign of osteoarthritis and are caused by formation of osteophytes (calcific spurs) of the articular (joint) cartilage in response to repeated trauma at the joint.

8. Metacarpophalangeal joint - Wikipedia

   en.wikipedia.org/wiki/Metacarpophalangeal_joint

   This term is translated literally as "foot-lock". In fact, although the term fetlock does not specifically apply to other species' metacarpophalangeal joints (for instance, humans), the "second" or "mid-finger" knuckle of the human hand does anatomically correspond to the fetlock on larger quadrupeds.

9. Synovitis - Wikipedia

   en.wikipedia.org/wiki/Synovitis

   Synovitis causes joint tenderness or pain, swelling and hard lumps, called nodules. When associated with rheumatoid arthritis, swelling is a better indicator than tenderness. The joints in your hands and fingers feel painful when pressed and when moving or gripping anything.