The paper 'Different cadences and resistances in sub-maximal synchronous handcycling in able-bodied men: Effects on efficiency and force application' by Cassandra Kraaijenbrink, Riemer Vegter, Alexander Hensen, Heiko Wagner and Lucas van der Woude was published in PLOS ONE. This article is the first in the project on daily handcycling that takes place in collaboration with the University of Groningen.