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tion of dorsiflexors) Knee: Slight Flexion (eccentric of knee extensors) Hip: 30 degrees Flexion (isometric of hip extensors) Trunk: Rotated to Opposite Side (isometric of erector spinae group) Body weight shifts to stance leg Heel Strike ? Ankle: 510 degrees of Plantar Flexion (eccentric dorsiflexors) Knee: 15 degrees of Flexion (eccentric quadriceps) Hip: Moving into Extension (isometric extensors) Body weight continues to shift stance foot Flat Foot ? Ankle: Dorsiflexion (eccentric plantarflexors) Knee: Extension (no contraction) Hip: Extension (concentric extensors and abductors) Trunk: Neutral Single limb support occurs Highest level of horizontal displacement of center of gravity and vertical displacement of center of gravity MidStance ? Ankle: initially dorsiflexion, moving into plantar flexion (for push off) (concentric plantar flexors) Knee: extension (e