Foot Orthoses & Prescription Variables

Explore the full Voodoo Biomechanics CPD collection examining foot orthosis theory, prescription variables, mechanical effects and the evidence behind commonly used techniques. 

Click an episode title to listen. The free CPD assessment is available from the episode description.

VB001 — The “Magical” 4-Degree Rearfoot Post: What Was Root Actually Trying to Achieve?

VB002 — The SHIFT Project 1: Introduction — From Kinematics to Kinetics in Foot Orthotic Therapy

VB004 — The SHIFT Project 2: Kerr’s Theorem — One Scientific Pillar in the Kinetic Insole Paradigm

VB008 — The SHIFT Project 3: Varignon’s Principle of Moments

VB009 — The SHIFT Project 4: Flat Punch and the Importance of Midstance

VB014 — Functional Foot Orthosis: Evolution of a Definition

VB015 — The SHIFT Project 8: Kerr, Varignon, and the Calculations Behind Kinetic Insoles

VB016 — Kerr AD: Elastic and Viscoelastic Foundation Models

VB018 — Neutral Position Casting: A Critical Appraisal

VB019 — The Fallacy of Dosed Foot Orthotic Therapy

VB043 — The SHIFT Project 15: Foot Orthotic Prescriptions — From Geometry to Force

VB050 — The SHIFT Project 18: Short Summary of the SHIFT Project

VB010 — The SHIFT Project 5: Arch Support — Good or Bad?

VB013 — The SHIFT Project 7: The Problems with Heel Cups in a Kinetic Prescription Paradigm

VB022 — What Do Arch Supports Really Do? — Ask Cheng!

VB035 — The Medial Heel Skive: Theory, Evidence, and Reproducibility

VB047 — Kinetic Musings on Metatarsal Domes

VB056 — The Blake Inverted Orthosis: A Reductio ad Absurdum of Geometric “Control”

VB057 — Supination Resistance Test: Use It, or Lose It? — Ask Horwood

VB065 — Precision Manufacturing Versus Scientific Validity of Foot Orthosis Prescription Variables

VB066 — Rearfoot Posts: Big Kinematic Claims, Small Kinematic Effects

VB067 — The Medial Heel Skive: Orthotic Science or Orthotic Tradition?

VB068 — Blake Inverted Technique: 40 Years Without Validation?

VB069 — The Kinetic Wedge: Kinetics by Name, Kinematics by Assumption

VB070 — Arch “Support” in Foot Orthoses: A Ubiquitous Assumption

VB020 — The SHIFT Project 9: Thinking Kinetics in the Orthotic Management of Posterior Tibial Tendinopathy

VB029 — The SHIFT Project 10: Stabilisation — Write Down Your Definition Before Listening to the Podcast

VB032 — Can We Finally Move Past Motion Control?

VB033 — Paediatric Foot Orthoses: It’s Time to Evolve Our Thinking

VB034 — Custom Versus Prefab: Why “Different” Makes No Difference

VB038 — The SHIFT Project 13: MTSS — Wrong Mechanics, Wrong Orthoses

VB049 — The SHIFT Project 17: Effect of Foot Orthoses on the Knee, Hip, and Back

VB053 — The SHIFT Project 19(3): The Orthotic Paradox in Plantar Fasciopathy

VB055 — The SHIFT Project 19(4): Plantar Fasciopathy — Orthoses Help, But Not By Controlling Motion

VB058 — A Question the Foot Orthotics Industry Seems to Ignore

VB059 — The 6% Metabolic Penalty Caused by Foot Orthotic Devices

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