Complex sentence: Plantar fasciitis is the most common type of plantar fascia injury and is the most common reason for heel pain (responsible for 80% of cases); approximately 1 in 10 people develop plantar fasciitis at some point in their life.
Split into simpler sentences: Plantar fasciitis is the most common type of plantar fascia injury and is the most common reason for heel pain, responsible for 80% of cases. Approximately 1 in 10 people develop plantar fasciitis at some point in their life.