Rheumatoid arthritis can be a debilitating disease.
It causes pain and inflammation in a joint – most commonly joints in the hands, spine, knees and hips.
Symptoms include joint pain, tenderness and stiffness, inflammation in and around the joints and restricted movement of the joints, says the NHS.
Warm, red skin over the affected joint, and weakness and muscle wasting can also be indicators of the condition.Cracking your knuckles has been linked to developing arthritis in later life, but according to scientists, this is not true.
Cracking your knuckles has been linked to developing arthritis in later life, but according to scientists, this is not true
Research has suggested cracking your knuckles and joints does not cause arthritis.
“There is no evidence that cracking knuckles causes any damage, such as arthritis, in the joints,” said Dr Dimitrios Pappas from Johns Hopkins University.
“However, a couple of reports in the medical literature are available associating knuckle cracking with injury of the ligaments surrounding the joint or dislocation of the tendons, which improved with conservative treatment.
“A study found that after many years of cracking habitual knuckle crackers may have reduced grip strength compared with people not cracking their knuckles.”
Knuckles are covered by capsules, which contain synovial fluid. This fluid acts as a lubricant, and also provides bones with nutrients.
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