| During the performance we focus on: 
hand entry in the line of the shoulder by the same side,start of the stroke with extended arm,correct arm bending during the stroke,finishing the stroke with forearm movement back to the body,acceleration of the stroke,correct body twisting where we move shoulders back and forth coordinated with the stroke,extended arm when approaching the surface                                             and   
fixed head position on the surface in the body extension. |  |