She's having a hard time with the realization that her freshman year of softball, which is her preferred and best sport, is already over before it even begins (February 2019).

We are being told to expect a 6 month recovery time. Ugh. This hurts.
We (my wife and I) have never had to go through this. I do not know what types of exercises physical therapy will include. I'm guessing that stationary bike riding will be a part of the regimen? I'm also guessing that at some point rowing may come into play? I'm sure that our physical therapist will educate us on all of this after surgery when it's his turn to take over her care.
I have a concept2 model D rower at my home. I'm thinking that for Christmas I will purchase a BikeErg to add to the mix, but I don't want to add encouragement with something that my be a poor choice for rehab.
Have any of you gone through ACL reconstruction? Any advice on rehab with home exercise equipment?
thanks.