A simulation may be performed through (1) solving a set of equations (a mathematical model), constructing a physical (scale) model, (3) staged rehearsal, (4) game (such as wargames), or a computer graphics model (such as an animated flowchart).
Thigh gap. A thigh gap is a space between the inner thighs of some women when standing upright with knees touching. A thigh gap has become an aspect of physical attractiveness that has been associated with fragility and femininity. In the United States, it has been reported that among teenage girls, a gap has become a beauty ideal.
The Popliteal Fossa. The popliteal fossa is a diamond shaped area found on the posterior side of the knee. It is the main path in which structures move from the thigh to the leg. In any anatomical area such as this, it is important to look at the borders, contents, and any clinical relevance.