lordosis (hollow/sway/saddle back)

Introduction

An abnormal extension deformity where the 'vertebral column curves more anteriorly'.

• characterized by an anterior rotation of the pelvis (the upper sacrum tilts anteroinferiorly) at the hip joints

Cervical lordosis:

• the normal anteriorly convex curvature of the cervical segment

Lumbar lordosis:

• the normal anteriorly convex curvature of the lumbar segment

[Greek, lordosis = bending backward]

More general terms

• abnormal curvature of the spine

Additional terms

• curvatures of vertebral column (cervical, thoracic, lumbar, sacral)
• kyphosis (hyperkyphosis, Dowager's hump)
• scoliosis