Okay now im realy worried . . . My gelding had lyme over a month ago and has been off his doxy for like 3 weeks now . . . And now he seems to be weak in his rear . . . The other day he slipped in the feild (running down the hill) and today in the feild he layed down to roll and couldnt get up again . . . He struggled for a min and then when our boarder went over to try and help him up he struggled back up to his feet . . . And I've noticed that when he's just standing and eating hay or somthing instead of having his feet anywhere close to square he's been bringing his hind legs in and under his belly and closer to his fronts . . . You think he hurt his back or pulled somthing in his hind legs???