Sagittal Control Orthosis Recommended for: Restriction of plantarflexion (or dorsiflexion and plantarflexion when tibial strap is used) Knee hyperextension secondary to excessive plantarflexion Toe walking Transfers for non-ambulatory patients when used with a proximal strap Not recommended for: Patients who benefit from having more sagittal plane flexibility Patients with knee flexion instability (when proximal strap is removed)