Yes. To personalise a training plan for a client, simply:
Navigate to the clients profile, click training and assign a training plan.
You will then be given the option to select a training plan and whether you want to make changes. If so, do you want to make changes for all users or the training plan.
If you click all users, the client will simply be assigned to the master.
To make these changes just for the given client, select Just for the βuserβ option.
