hi i was advised by my dr that going to the gym re L1 and L2 degenerative disc problem was ok ,i work as a district nurse so my work load has been reasessed as bending causes pain,last night and this am my back is in pain,as i did go to the gym yesterday and swimming i feel that it is not doing it any good,i am 62 but i am not an old 62 yr old ,and i have worked in nursing for 23 yrs,my back has been giving me real problems since last year. thank u irene uk