These articles have quotations from film adaptations of J.R.R. Tolkien's novel The Lord of the Rings and related works: 1  The Lord of the Rings.  J.R.R. Tolkien's The Lord of the Rings (1978)
This causes a twisting on the tibia and changes its relationship to your kneecap. This can cause tracking problems as well. If your quadriceps or hamstring muscles are too tight, they also will affect the mechanics of the knee and lead to compensation patterns that cause pain.
Most common reasons your knees pop or snap: 1  Chondromalacia â Is a condition where the cartilage under your kneecap is starting to degenerate. 2  As the cartilage degenerates the surface can become rough. 3  That rough surface will rub against the femur and cause snapping, clicking or popping.