In the menu bar on the left side of the screen select "settings".
Within the settings, select "injuries".
On the injuries screen, click the "add +" icon, located in the upper right.
Select the player and fill in with the injury information.
Also, you can add a injured player by going to the Injury Profile. All you have to do is going to Settings > Injury Profile > Manage Injuries.
Load can also be analyzed by considering metrics such as COD, JUMPS, and HMP, which provide a more complete view of the effort made in each session.