IHI direction; rest versus all active tasks. Group averaged data (with standard errors) for SIHI (top) and LIHI (bottom). Both SIHI and LIHI demonstrate reduced IHI during active contraction. The reduced IHI is observed bi-directionally in the right FDI (non-dominant to dominant) and left FDI (dominant to non-dominant). * denotes significant post-hoc tests (p < 0.05) of main effect of Task.