What is the formula of theorem of perpendicular axis?
The perpendicular axis theorem states that the moment of inertia of a planar lamina (i.e. 2-D body) about an axis perpendicular to the plane of the lamina is equal to the sum of the moments of inertia of the lamina about the two axes at right angles to each other, in its own plane intersecting each other at the point …
What is meant by axis of rotation?
: the straight line through all fixed points of a rotating rigid body around which all other points of the body move in circles.
What is the difference between plane and axis?
All body movements occur in different planes and around different axes. A plane is an imaginary flat surface running through the body. An axis is an imaginary line at right angles to the plane, about which the body rotates or spins.
What are the 3 planes of the body?
There are three planes commonly used; sagittal, coronal and transverse.
What are the directional terms?
Superior or cranial – toward the head end of the body; upper (example, the hand is part of the superior extremity). Inferior or caudal – away from the head; lower (example, the foot is part of the inferior extremity). Anterior or ventral – front (example, the kneecap is located on the anterior side of the leg).
Why do we use directional terms?
Directional terms allow description of one body part in relation to another. Locating structures in your body is one of the main components of anatomy. Learn all terms used to describe location in the human body.
Why are directional terms used in healthcare?
Understanding terminology ensures doctors and technicians have a shared method of communicating, which helps to avoid confusion when pinpointing structures and describing locations of lesions. Knowing your directional terms makes things clear and saves time!
What is the anatomical term for head?
The cephalon or cephalic region refers to the head. This area is further differentiated into the cranium (skull), facies (face), frons (forehead), oculus (eye area), auris (ear), bucca (cheek), nasus (nose), oris (mouth), and mentum (chin).
Which term means farther into the body?
Lateral. Which directional term means farther from the attachment of a limb to the trunk or farther from the origination of a structure? Distal.
Is the head superior to the tail?
The head is cranial to the tail.
What is the medical term for posterior?
Posterior comes from the Latin word posterus, meaning “coming after”. Posterior is often used as a technical term in biology and medicine to refer to the back side of things, and is the opposite of anterior, which refers to the front side. When used as a noun, posterior simply means “buttocks”.
What is an example of posterior?
An example of a posterior is a person’s rear. The definition of posterior is later, following, after or at the rear. An example of something posterior is the dorsal fin on a shark; a posterior fin. Relating to the caudal end of the body in quadrupeds or the back of the body in humans and other primates.
What is another name for posterior on a human?
What is another word for posterior?
| bottom | buttocks |
|---|---|
| BTM | caboose |
| fundament | heinie |
| keister | prat |
| sit-upon | Sitzfleisch |
What is the posterior part of the body?
Posterior (or dorsal) Describes the back or direction toward the back of the body. The popliteus is posterior to the patella. Superior (or cranial) describes a position above or higher than another part of the body proper.