Normal (Hip Drive) Foot Pronation. Stance phase Foot motion (pronation/ supination) is driven by the Clockwise, Counterclockwise rotations of the pelvis :
Gait Analysis - Right Foot
From Heel Strike to Flat Foot, the pelvis is rotating Counter-clockwise (See Animation Above)
From Flat Foot to Heel Lift, the pelvis is rotating Clockwise (See Animation Above)
Zitzlesperger S 1960.The mechanics of the foot based on the concept of the skeleton as a statically indetermined space framework. Clinical Orthopedics, 16:47-63
Rothbart BA 1973. Part I. Biomechanical analysis of a normal gait pattern. Journal Canadian Podiatry Association, (3):3-7.
Rothbart BA 1973. Part II. Biomechanical analysis of a normal gait pattern. Journal Canadian Podiatry Association, (4):1-12.
Normal Foot Pronation - Observed in the Plantar grade foot
Also referred to as: Hip Drive Pronation