submerge your feet in hot water and put an ice pack on your neck. it circulates the blood so it will relieve pressure. either that or take a nap
You didn't provide any concepts? How our lives are best conceptualized and which aspects encompass them best is a good question to pose and hard to answer at the same time. One might say that there are hardly enough concepts which can thorooughly explain what our lives are about.
Warming up is important because you need to "warm up" your core and muscles and gets the blood flowing in preparation of a strenuous workout. It also helps prevent the risk of injury.
Stretching, walking, jogging, arm circles, lunges, squats and jumping jacks are good choices to include in a warm up
Low-frequency magnetic fields induce circulating currents within the human body. The strength of these currents depends on the intensity of the outside magnetic field. If sufficiently large, these currents could cause stimulation of nerves and muscles or affect other biological processes.