leg extension

noun

An exercise performed on a machine while seated. The quadriceps (thigh muscles) are exerted to straighten the knee while acting against resistance applied to the lower shin.

Opposite
leg curl
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Meanings

nounleg extension (plural leg extensions)

plural leg extensions

  1. hobbiesAn exercise performed on a machine while seated. The quadriceps (thigh muscles) are exerted to straighten the knee while acting against resistance applied to the lower shin.

Synonyms & antonyms

antonym(s) of “exercise”

Opposite
leg curl

Origin

From leg + extension.

Full word history & related roots →

Translations

Arabic تَمْدِيد السَّاق
  • تَمْدِيد السَّاق (tamdīd as-sāq)exercise
Finnish jalkojen ojennus
  • jalkojen ojennusexercise
German Beinstrecken
  • Beinstreckenexercise
Russian разгиба́ние ног
  • разгиба́ние ног (razgibánije nog)exercise
Cite this entry
APA

leg extension. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/leg%20extension

MLA

“leg extension.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/leg%20extension. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “leg extension,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/leg%20extension.

Source: leg extension on Wiktionary, CC BY-SA 4.0.