The muscles on the front of your lower legs are weaker than your calves, because they are engaged constantly when moving about during the day. Exercising the shin muscles is good for avoiding muscle imbalance and can help avoid ankle injuries.
Shin splints. It even sounds evil. If you are a runner there a good chance you at some point in your running career have experienced shin splints and then you also know how difficult they are to get rid of. This is a great simple shin exercise you can do almost everywhere to help cure shin splint or to simply prevent ankle injuries.
Lean with your back against a wall on your heels about a foot from the wall. Hinge your feet up towards your shins as much as you can and then keep them lifted for a couple of seconds before lowering them, without touch the ground your toes. Repeat the desired amount of times.
You can also do this exercise when laying in bed.
Another good shin exercise is to walk on your heels.
*Dorsiflexion is the anatomic term for flexing your feet up toward your lower legs.