Hyperextension of knee is very difficult problem in cerebral palsy. it should be recognized & managed at earliest and managed so that uncorrectible problem can be resolved. it occur because of many factors which include Equinus contracture, hamstring over-lengthening, weakness of hamstring, contracture of rectus femoris. in early age it can be beautifully managed by therapy, botulinum toxin, brace and in latter age require surgery.http://www.trishlafoundation.com/ | Trishla foundation : cerebral palsy awareness