Force Plate Interruption Chart — GRF Errors, Troubleshooting & Prevention
A premium biomechanics lab quick-reference that helps students and clinicians spot, interpret, and prevent common ground-reaction-force (GRF) capture errors. Clear panels illustrate each error with foot-plate diagrams and typical GRF curves (Fx/Fy/Fz), plus concise “Why it happens” and “Fix” guidance.
What’s covered
Correct trial (reference): single-foot, centered contact with smooth stance-phase curves in vertical (Fz), anterior–posterior (Fy), and medio-lateral (Fx) directions.
Edge/partial contact and cross-plate contact (one foot on two plates).
Adjacent-plate toe tap and double strike/re-contact.
Short contact/early toe-off artifacts.
Signal dropout/zeroing errors and baseline drift.
Accept vs. reject criteria checklist for data quality.
Prevention checklist: longer approach for natural gait, avoid “targeting,” re-zero appropriately, verify thresholds/sampling rate, inspect cables/connectors, collect extra clean trials.
Ideal for gait labs, physiotherapy & sports-science programs, orthopedics, and motion-analysis teaching—perfect for onboarding new learners and standardising QC across teams.
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