hyperextension

Noun

 * 1) The extension of a joint beyond its normal range; the condition of being hyperextended.
 * 2)  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.

Translations

 * Finnish: yliojennus
 * Japanese: 過伸展


 * Danish:
 * Finnish: selänojennus
 * Russian:
 * Swedish: ryggresning