The Rizzoli Foot Model will be appended to the main model if the session setting "Multisegment Foot" is set to Rizzoli (see “Step 5 – Subject and Session details”).
For details of the model refer to Portinaro et al.: Modifying the Rizzoli foot model to improve the diagnosis of pes-planus: application to kinematics of feet in teenagers. Journal of Foot and Ankle Research 2014 7:57.