Research Summary by Louis Ellery

Running Propulsion Comes from the Ground Up

Why ankle & foot mechanics matter for pain-free gait and posture

Key Findings

Propulsion Source

Quadriceps and plantarflexors are key to body-mass propulsion and support during gait and running. These muscles generate the forces that move you forward.

Force Transmission

Foot and ankle mechanics transmit forces up the kinetic chain. Misalignment or dysfunction at this level propagates upward through the knee, hip, and spine, affecting posture, gait symmetry, and injury risk.

The Training Gap

Rehabilitation programs focused exclusively on hip and glute strengthening overlook ground-level mechanics, frequently resulting in incomplete or temporary improvements.

What This Means

An integrated, whole-body approach beginning from the ground up typically outperforms isolated joint or muscle focus. Correcting lower-leg mechanics provides more sustainable results for chronic pain rehabilitation.

Research Citation

Hamner SR, Seth A & Delp SL (2010). "Muscle contributions to propulsion and support during running." Journal of Biomechanics. PMC2973845.

Apply the Research

See How This Applies to Your Body

Book a 90-minute posture and gait assessment to understand how these principles relate to your specific movement patterns.