Why might someone be succeptible to knee cap dislocations/subluxations?

Anatomy. The anatomy of a persons knee can lead to knee cap (patellar) dislocations. Patellar stability is dependent on: bony constraint of the femoral trochlea; mpfl, medial retinaculum, vastus medialis oblique. Any of these may be disrupted or dysplastic in patients with patellar instability.
Bony architecture. We are all born with slightly varying bony architecture. Some people are born with kneecaps that are prone to dislocation, because the tissues that keep the kneecap in place, are affected by poor alignment of the kneecap.
Anatomy. The trochea is the part of the tibia (leg bone) that is the groove that the patella sits in and slides up and down. If that is shallow for whatever reason (your parents, bad luck) then its just physically easier for it to pop out of place. With a shallow groove the muscles and ligaments might not be able to keep it stable. Strong quad muscles will help.

Related Questions

Can you clarify what knee cap dislocation really is?

Patella dislocation. During knee flexion, the knee cap or patella normally tracks in a groove in the distal femur called the trochlea. During a patellar dislocation, a traumatic event causes the patella to track outside of this groove while the knee flexes. This can injure some of the stabilizing structures surrounding the patella and can place a patient at risk fora future dislocation event. Read more...
Physically displaced. It is a condition in which the knee cap bone is pactually move out of the groove in the thigh bone(femur) it is often due to a trauma, canberra very painful, and needs tobe but back in place.You need to see a physician, probably an orthopedist. Small fratues can occur with this condition. Read more...

In the past 2 years I've had 2 dislocations in my left knee. It hurts under the knee cap. I've had therapy but it keeps getting worse. Now sometimes t?

Varies. Many potential causes. In patellar maltracking syndromes, damage to the undersurface of the patella, called chomdromalcia can occur and this is the most common cause. I would discuss directly with your surgeon. Read more...

I would like some advice for my knee cap dislocation please?

Strenghten. Quads with weights, if not enough, then surgery to tighten. Talk to orthopedic doctor. Read more...

Are there different options for treating knee cap dislocation?

Ortho consult. There are multiple different non-surgical and surgical options. It is important to make an appt with an ortho doctor. Some of the important factors are age at first dislocation, associated injuries, number of dislocations, knee malalignment, and generalized "loose ligaments", etc. A doctor needs to assess these factors prior to determining which treatment is appropriate. Read more...
Yes. Many factors come into play. Usually conservative treatment with bracing and pt is affective for acute, non-recurrent patellar dislocation. Recurrent dislocations and some acute dislocations may require surgical repair of the medial patellofemoral ligament or re-alignment. Read more...

We come from a religious background where treatment is based on faith and home cures. What can we use to treat knee cap dislocation?

Relocation. First, the knee cap has to be pushed back into place. As long as that has been accomplished, rest, ice, compression, bracing and elevation with a progressive return to activity should help. Read more...
Rest. If the patella has been relocated then a short period of immobilization with a brace would be very helpful. I would also use a lot of ice for the symptoms. After a week of immobilization then i would start with gentle range of motion and stay away from vigorous activity for several more weeks. Read more...
Orthopedics . By definition, "alternative" is different than modern western medicine. Generally any drug, herb, treatment, or procedure that stands up to rigorous scientific scrutiny is included in modern medicine. The problem is that many alternative practices, herbs etc do not stand up to scientific scrutiny. May not work. may be deadly. They therefore remain "alternative". Be careful watch your $$$. Read more...