Supination is generalised as a high arched foot with an outward tilt of the heel. A supinated foot is also named a Pes Cavus or High Arched foot. The high arched foot is less common than the low arched, pronated foot.
The high arched foot generally falls into two categories, a rigid high arched foot and a flexible high arched foot.
The arch of a rigid high arched foot remains high arched throughout the gait cycle. This under pronated foot does not absorb the impact forces from the ground as it should, resulting in greater impact forces applied to the knee, hip and ankle joints and leg bones. This type of high arched foot may also predispose the ankle joint to lateral ankle sprains and reduced ankle stability.
Injuries associated with a high arched foot are:
- Stress Fracture
- Peroneal Muscle Tendinopathy
- Cuboid Syndrome
- Lateral Ankle Injuries
- Shin Splints
- Heel Pain
- Back Pain
- Iliotibial Band Syndrome
The flexible high arched foot may be present as a high arched foot on standing however the arch will flatten through fast paced gait.
This type of high arched foot may result in injuries which are associated with a low arched (pronated) foot type. Examples include: