**6. Conclusions**

The development of an innovative system of propulsion for manual wheelchairs is described in di fferent possible sketches in order to be implemented in sports wheelchairs and for wheelchairs employed in everyday life. In addition, the design of the mechanism for the transmission of motion is presented. The innovative system of propulsion could be a robust idea to solve injuries on the upper limb caused by the other manual system of propulsion. The project of the prototype, named Handwheelchair.q02, is still being developed.

A simplified dynamic model has provided preliminary results in terms of force and power during a rowing stroke cycle applied to a manual wheelchair. In the future, the test data of the prototype Handwheelchair.q02 will confirm or deny these predictions.

**Author Contributions:** Conceptualization, G.Q. and E.B.; methodology, G.Q., E.B., P.C.; software, E.B. and P.C.; validation, G.Q.; investigation, P.C.; data curation, P.C.; writing—original draft preparation, P.C.; writing—review and editing, G.Q., E.B. and P.C.; visualization, P.C.; supervision, G.Q.; project administration, G.Q.

**Funding:** This research received no external funding.

**Conflicts of Interest:** The authors declare no conflict of interest.
