The High Five Strength Test evaluates in a functional, socially engaging position (palm-to-palm contact, elbow flexed ~90°). Unlike a standard handgrip dynamometer test (crush grip), this assesses the combined action of finger flexors, thumb opposition, and wrist stabilizers in a position mimicking real-world pushing, clapping, or bracing.
Introduce the high-five during a "win"—no matter how small—to ensure it feels organic. high five strength test