Did you know that absolute seat movements are more than two times smaller in magnitude than the boat movements? This implies that higher inertial rowing efficiency should be associated with a decrease in the variation of absolute seat velocity (and the rower`s mass), rather than the boat velocity. The rower`s lower extremities may increase the boat 'deadweight' by more than double, consequently leading to increased inertial losses. Since calf muscles do not significantly contribute to rowing power, slimmer shins could be more effective in rowing. These and other findings were discovered in extended analysis of absolute seat movements. In BioRow standard biomechanical testing, seat movement is measured using a position sensor mounted on the boat. This valuable data allows for the derivation of crucial indicators of rowing technique, such as Catch and Rowing Style factors, crew synchronization etc. The seat position is measured relative to the boat, but since the boat moves with a variable speed, it would be interesting to analyse the absolute seat movements relative to the stationary water or land - in the World Frame of Reference. This analysis could aid in optimizing technique because the seat is closely related to the rower`s Centre of Mass movements, and thus, to inertial forces and associated energy losses.
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