The Zheng-Dao Proprioceptive Lattice is a whole-body augmentation system that replaces and vastly extends the organic proprioceptive nervous network — the system by which a body knows where its own limbs are in space — with a synthetic bioelectric mesh embedded subcutaneously across the major joints, muscle groups, and skeletal contact points. Where organic proprioception is passive and approximate, the Groundwork lattice provides precise, real-time positional and force data across the entire body, feeding into a central processing node implanted at the base of the skull that synthesizes this information into a continuous, high-resolution body map available to conscious awareness. The effect is a profound expansion of physical self-knowledge: operators with Groundwork can perform complex motor tasks in complete darkness, detect micro-tremors in the ground through foot contact, and maintain precise physical control even when injured, drugged, or disoriented.

Zheng-Dao Bioelectric developed the Groundwork lattice from research into occupational injury prevention in high-risk physical labor environments — the technology was originally intended to reduce workplace accidents in Palladian Construction's demolition teams and Ironclad Agrisystems' heavy machinery operators. The commercial and military applications became apparent quickly. The lattice's force-sensing capability allows operators to detect the weight and movement of other bodies through surfaces — floors, walls, vehicles — at ranges up to several meters, effectively providing a form of tactile environmental awareness that has obvious intelligence applications. The central processing node can also be configured to interface with external systems, allowing the body map data to be transmitted to a remote operator or recorded for analysis.

Groundwork is less common than other augmentations because its benefits are subtle and require significant training to exploit. An unaugmented observer watching a Groundwork operator move will see nothing unusual — no chrome, no visible hardware, no dramatic capability demonstration. The advantages manifest in situations that test physical precision, spatial awareness, and environmental sensitivity, which means the augmentation self-selects for a specific type of operator: those whose work rewards mastery of physical space over raw power.