The body looks at this as toxic and if it gets absorbed, the liver deals with it mostly as a toxin rather than a nutrient. Eating the chalk will put a large quantity of this material in your body and is not a good idea at all.
This operation can be done either through the same incision as the medial patellofemoral ligament reconstruction or through a larger incision around the knee. It allows the patella to sit more centrally within its groove and not tilt as the patella engages in the trochlear groove.
One of three compartments in the knee, together with the lateral compartment on the outside of the knee and the medial compartment on the inside, the patellofemoral joint is supported and stabilized by a complex network of ligaments, tendons and other soft tissues.