Tib Bar, Tibialis Trainer, Tibialis Raise Tibia for Strength Training Calves Shins Ankles and Ripping Lower Leg Muscles Fits 1" or 2" Olympic Weight Plates. Strengthen Tibialis Muscles: Transform your workouts with the Tibial Trainer, designed to effectively target and strengthen your tibialis muscles along with the long extensors of the toes and anterior calf muscles.