Labels:text | screenshot | footwear OCR: Resident and Staff Physician Patient Education Chart Tibia Tibialis Anterior Muscle (inverts foot) Fibula Shin Splints Area of Pain Pronation Pronation is the single most common cause, Front View -Tibia Tibialis Posterior Muscle (inverts foot) Fibula Reprinted with permission from Resident and Staff Physician (el 1991-92, 1993 hu Romaine Pierson Publishers Inc Back View