In science, mechanical energy is the sum of potential energy and kinetic energy. It is the energy associated with the motion and position of an object.The law of conservation of mechanical energy states that in an isolated system that is only subject to conservative forces the mechanical energy is constant.n science, mechanical energy is the sum of potential energy and kinetic energy. It is the energy associated with the motion and position of an object.
As with the standing shin stretch, the cross-over stretch is well-suited for pre- and post-running stretching. You can perform this stretch with or without shoes. Start standing with your feet together. Cross your right leg in front of your left leg and place the tops of your pointed right toes on the ground.
I don't want to run after dinner and not eating anything isn't an option. I tend to feel the best before my run if I eat a light snack about an hour before I get out of work. This gives my body enough time to digest and provide energy for my run. Here are my favorite foods to eat before going for a long run. 1. The toast provides carbohydrates while the peanut butter gives you a small amount of protein. This is the perfect combination for fuel before your run.