hyperlordosis
noun
hy·per·lor·do·sis ˌhī-pər-lȯr-ˈdō-səs 
: abnormally exaggerated forward curvature of the lumbar and cervical regions of the spine : lordosis sense 1b
Word History
Etymology
borrowed from German Hyperlordosis, from hyper- hyper- + Lordosis lordosis
First Known Use
1894, in the meaning defined above