If you are kind that takes part in sporting events, you should know that your feet do take a good beating. Any harm to feet can lead to bigger problems like pain in knees or back aches especially in the lower back. The feet also need some conditioning and proper exercise like any part of the body.
Feet and the Intrinsic and Extrinsic Muscles in it: Any kind of imbalance in the muscles of your feet will impede your walking and also cause problems in the long run.
Intrinsic foot muscles: Both the ends are within the foot and these motions move one part of the feet in relation to other joints in the feet.
Extrinsic foot muscles: These have a single attachment in the foot and one more up in the leg. These muscles will help move the feet in relation to the lower portion of the leg.