Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean and standard error of indices of co-variation of grip forces ( Δ V(FG)) at the VF-TH and IF levels of the proposed synergy hierarchy [denoted by the subscripts, individual finger level (IF) and virtual finger – thumb level (VF-TH)]. Data are shown across the four tested FR-indices for each of the hand conditions. A: Δ V(FG)VF-TH in Interval Δ T1–3. B: Δ V(FG)VF-TH in Interval Δ T2. C: Δ V(FG)IF in Interval Δ T1–3. D: Δ V(FG)IF in Interval Δ T2.
