hi. I have a case with paraparesis since 3 years ago with out any couse..he can not walk well but his sexual and urinary functions are normal... he had radiotherapy 13 years ago because of testis carcinoma... now he is going to phisiotherapy from 7 months ago and his ability to walking gets more better but his stasis is still abnormal... would you plz answer me if he start lumbar and abdominal exercises can walk normally? tnks