A theme which can be explored and expressed in a variety of different ways, existentialism is a belief based on the free will of the individual which suggests that all future development is created as a result of their own self determined actions.
People who do strengthening and toning exercises in an effort to trim fat from a certain area -- thighs, hips, stomach, or arms -- have the wrong idea. Although these exercises can help firm muscles, if the targeted area still carries an extra layer of fat, it won't look much different.
Walking uphill, or on an incline on the treadmill, increases the intensity of the workout from just walking on level ground. Incline walking engages stabilizer muscles -- your glutes, hips, core and back -- which will help keep you injury free over the long term.