Low arched feet (Pes Planus) You will observe a excessive drop or collapse of your arch, this motion is often referred to as over-pronation. Low arch feet are often ineffective shock absorbers, too mobile and prone to injury.

Finger Test
When standing upright you will be unable to place an index finger under your arch.

Your foot print
You will see a fuller foot shape with little narrowing in the middle of the foot.

Normal arched feet
You will observe a moderately high arch from heel to the ball of your foot. It effectively attenuates shock through normal pronation. Excessive and intensive activity can lead to over use injuries.

Finger Test
When standing upright you will be able to place an index finger under your arch.

Your foot print
You will see a well shaped foot print with good definition in the midfoot region.

High arched feet
You will observe a strong high arch from heel to your forefoot. It is often very rigid and ineffective at absorbing shocks - increasing the risk of injury.
 

Finger Test
When standing upright you will be able to place an index finger under your arch with room to spare.

Your foot print
You will see a obvious/complete separation between the heel and forefoot.