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.
Or it can be an instability issue because of lack of core engagement. If you have an imbalance that causes the leg to be unstable, it may be a hip control issue.. Indeed, strength and mobility imbalances will have a greater effect on the body over increased mileage, resulting in issues like runner's knee.