I need to know whether the position of the CG is higher, lower, or at the same level within the body when a person is standing up as when a person is lying down? Why or why not?

http://www.asu.edu/courses/kin335/documents/CM%20Lab.pdf

http://www.algarcia.org/AnimationPhysics/BalanceTutorial.pdf

To determine whether the position of the center of gravity (CG) is higher, lower, or at the same level within the body when a person is standing up compared to when they are lying down, we need to consider the distribution of mass within the body.

The center of gravity is the point at which the entire weight of an object or person is considered to be concentrated. In the human body, the center of gravity is typically located in the lower abdomen or pelvic region.

When a person is standing up, the position of their center of gravity is higher within the body compared to when they are lying down. This is because when standing, the weight of the body is supported by the legs, causing a vertical alignment of the body's mass. The majority of the body's weight is distributed from the pelvis down to the feet.

On the other hand, when a person is lying down, their center of gravity is lower within the body. This is because the body is supported by the surface it is lying on, such as a bed or the floor. In the lying down position, the weight of the body is spread over a larger surface area, resulting in a broader distribution of mass. The center of gravity is closer to the surface on which the person is lying.

Therefore, the position of the center of gravity in the body is higher when standing up and lower when lying down.