Knee popping, snapping, cracking, or crunching noises are usually harmless and may be the consequence of aging joints. However, the sensation can also indicate a serious injury, such as a torn ...
2006;9(9):624-630. In another RCT, women with established RA (mean age 44 years, N=23) who participated in a 21-week combined strength and endurance training (1-2 times per week) were found to ...