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.
In math, an array refers to a set of numbers or objects that will follow a specific pattern. An array is an orderly arrangementâoften in rows, columns or a matrixâthat is most commonly used as a visual tool for demonstrating multiplication and division.