How To Apply a Posterior Ankle Splint By James Y McCue, MD, University of California San Francisco - Fresno Reviewed / Revised Apr 2021 | Modified Sep 2022 View Patient Education Indications Contraindications Complications Equipment Additional Considerations Relevant Anatomy Positioning Step-by-Step Description of Procedure Aftercare Warnings and Common Errors Tips and Tricks Topic Resources Bones of the ankle and foot How To Apply a Posterior... Ankle splints are rigid devices fastened to the ankle and used to maintain stability of the ankle joint.