NOT TRUE about the Sesamoid bone is
## Core Concept
Sesamoid bones are embedded within tendons and are found in specific locations where they provide protection, mechanical advantage, or change the angle of the tendon. The most well-known sesamoid bone is the patella, located in the tendon that connects the quadriceps muscle to the tibia. Sesamoid bones can also be found in the hands and feet.
## Why the Correct Answer is Right
The statement that is NOT TRUE about sesamoid bones needs to be identified. Generally, sesamoid bones are known to be embedded in tendons, and they play a crucial role in altering the direction of muscle forces or providing a mechanical advantage. Without the specific options provided, we can infer that a correct statement about sesamoid bones being embedded in tendons and having specific functions like the patella in the knee is a fundamental characteristic.
## Why Each Wrong Option is Incorrect
- **Option A:** Without the specific details of option A, we can't directly address why it's incorrect. However, if it states a recognized characteristic of sesamoid bones, such as being embedded in tendons or providing mechanical advantage, it would not be the correct answer.
- **Option B:** Similarly, if option B describes a known function or feature of sesamoid bones, it would be incorrect as the "NOT TRUE" statement.
- **Option C:** This option would also be incorrect if it aligns with established facts about sesamoid bones.
- **Option D:** Given that **Correct Answer: D**, option D likely contains a statement that is not true about sesamoid bones.
## Clinical Pearl / High-Yield Fact
A key point to remember is that sesamoid bones can be a source of pain, particularly the patella and the pisiform in the wrist. The patella, being the largest sesamoid bone, plays a critical role in knee extension mechanics. A classic clinical correlation is the development of patellofemoral pain syndrome, which can be related to maltracking of the patella.
## Correct Answer: D.