hi,
you got to work on the trunk of a hemiplegic which is very important!! the is a book wirtten by patricia davies by the name right in the middle which emphasises the importance of triining the trunk!! according to the book, extension pattern is the primitive pattern an i is very important to train the combo of flexn and extn in a patient after cva!! and these are techniques where you dont want to strengthen the abs, you want the abs on the paralyzed side to work!! so go ahead see if you can read the book and find out techniques of facilitating the abs!!