Bent forward (5)
(Other definitions for stooped that I've seen before include "Hunched" , "Bent while walking" , "Crouched" .)
(Other definitions for leant that I've seen before include "Tipped" , "pressed on" , "bent over" , "Relied (on); inclined" , "Advanced" .)
(Other definitions for bowed that I've seen before include "Played as, eg, a violin" , "Made obeisance" , "Kowtowed" , "Played like a cello" , "as Viola might be?" .)