bn:00045498n
Noun Concept
Categories: Bodyweight exercise, Physical exercise, Strength training
EN
hyperextension  back extension  Bird dog
EN
English:
exercise
Definitions
Relations
Sources
EN
A back extension is an exercise that works the lower back as well as the mid and upper back, specifically the Erector spinae. Wikipedia
Physical exercise Wikidata
The extension of a joint beyond its normal range; the condition of being hyperextended. Wiktionary
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