Resistance band training (RBT) with functional electrical stimulation (FES) may be an effective exercise regimen for improving age-related motor impairments. This preliminary study investigated the potential effects of bimanual RBT with FES on upper limb motor functions in older adults. This study randomly assigned 22 elderly people to the bimanual RBT with FES (Bi-RBT plus FES) group and the RBT without FES (Bi-RBT) group. All participants performed isometric hand-grip force control tasks in unimanual (dominant and non-dominant) and bimanual conditions before and after four weeks of exercise for each group. We quantified the mean force, force accuracy, force variability, and force regularity at two targeted force levels (ie, 10% and 40% of maximum voluntary contraction; MVC) to estimate changes in force control capabilities. The results revealed that the Bi-RBT plus FES group demonstrated a greater force accuracy in the dominant hand at 10% of MVC after training. Non-dominant hands in the Bi-RBT plusFES group increased force accuracy at 40% of MVC and reduced force variability collapsed across two targeted force levels. Both groups showed a decrease in force regularity after training. These preliminary results indicate that Bi-RBT plus FES may be a viable option to facilitate functional recovery of the upper limbs in older adults.

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