Acl surgery is done in the form of reconstruction of ACL
If you have an acl tear I would recommend to get the acl surgery done as soon as possible
The Pre requisite is that you should have good knee movements before the surgery flexion till 90 degrees or more
Next Steps
You should consult an orthopaedic doctor whom you wish to do the surgery with and start preparing for it
Health Tips
Have faith that surgery will heal you and you will be come better after the surgery
Don’t try to run or walk fast or jump or play any form of contact sports before the surgery