After your workout, itâs time to refuel with: 1  Fluids. Drink water, of course. 2  Carbohydrates. You burn a lot of carbohydrates â the main fuel for your muscles â when you exercise. 3  Protein. Eat things with protein to help repair and grow your muscles, including a whole grain bagel, baked potato, peanut butter sandwich, etc.
inertia - (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force. natural philosophy, physics - the science of matter and energy and their interactions; his favorite subject was physics.
Newtonâs Laws - 2. In the physics sense of the word, inertia refers to laziness or the resistance to change to the state of the motion of an object. In the everyday sense of the word, inertia refers to a habit or a rut â resistance to change is difficult.