Triceps pushups are a very challenging exercise for the back of the arms. Like traditional pushups, they challenge a variety of muscles in the body (not just the triceps)...what makes them different is your hand position on the floor. By using a narrow hand-placement, you can really target the triceps muscles.
However, according to (Kotler & Keller, 2006) the formal definition of marketing is an organizational function and a set of processes for creating, communication, and delivering value to customers and for managing customer relationships in ways that benefit the organization and its shareholders(Kotler & Keller, p.4).
Part of the Business terms glossary: Positioning, in a marketing context, is the process of identifying an appropriate market niche for a product, service or brand and getting it established it in that area. The endeavor is further broken down into those three categories.