well actually your knee cap does move see the kneecap is connected by muscles which allow it to move with the joint. it is connected to the femur . try this extend your leg outward you 'll notice your knee feels looser now flex your leg inward you'll notice your knee feels tighter. the point is your knee cap does move you just cant notice it
It is perfectly fine if the knee cap moves just a little bit, because some people can do that. Though, if the knee cap moves too much, then it becomes a health concern.
Your knee caps are also called Patellae.Or Patella for a single knee cap.
A knee brace can be used as substitute for plastering for injuries to the knee cap. If the knee cap is not broken, a knee brace can allow for more flexibility.
Knee Cap
It protects the knee.
The knee cap is also known as the patella.
The knee cap is also called the Patella.
The knee cap is more properly known as the patella.
Your knee cap is called a patella in scientific communities.
The patella (knee cap)
Knee caps are also called Patellae in scientific communities. A single knee cap is called a patella.
The small bone at the front of the knee (the knee cap) is called the patella.