lordosis
C2CEFR level
90/100Rarity: very rare
TechnicalRegister
An inward curvature of the spine, most commonly in the lower back.
An increased lumbar lordosis was noted, and we worked on core control and posture.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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