noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The extension of a joint beyond its normal range; the condition of being hyperextended. countable, uncountable
2. 2
   greater than normal extension wordnet
3. 3
   An exercise performed by lying on the stomach, ideally inclined upwards as on a Roman chair to reach a higher range of motion, and raising and lowering the upper torso. countable, uncountable

Synonyms

All synonyms

back extension

Etymology

From hyper- + extension.

Related phrases

reverse hyperextension

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.