Common pairs of antagonist and agonist muscles exist. In the upper body, the biceps and triceps work to complete actions related to movement of the arm. The quadriceps and hamstrings in the upper leg work to help move the knee joint and perform exercises, such as squats and leg extensions.
Definition of lattice for Students. 1  1 : a structure made of thin strips of wood or metal that cross each other. 2  2 : a window or gate having a lattice.
A sphere is a three dimensional version of a circle, like a basketball or a marble. The definition of a sphere is every point that is the same distance from a single point called the center. Terms of a Sphere In order to calculate the surface area and volume of a sphere we first need to understand a few terms: