The word concentrically simply means in a concentric manner. Concentric is a term used to describe spheres of different sizes with a common middle point.
Points The toes
Quads
Anterior tibialis
Orbicularis
Internal rotation of the shoulder
When the Deltoid contracts the humerus abducts.
Strong extension
Hip extension
A reamer concentrically enlarges a hole in a thin-ish piece of material.
Osseous Tissue
Osseous tissue contains cells arranged concentrically around a nutrient canal.
As tree grows, it creates growth rings as new wood is laid down concentrically over the old wood.ShelterwoodShelterbelt