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Glite Dictionary
⬛ Square-shaped 💪 A square muscle 🔬 Square in name
quadratus

quadratus

9.9
A square-shaped muscle in the body, for example in the forearm or lower back
  • noun
  • /kwɑːˈdreɪtəs/
  • Specialized
translation icon : cuadrado
  • The quadratus lumborum muscle plays an important role in stabilizing the lower back during movement.
  • quadratus lumborum

Examples

  • It is acknowledged that deeper quadratus lumborum activity, noted by Andersson et al. (18), in this posture may provide minor shear support.

    Academic text (1997)

  • The other two cases of spillover involved the iliopsoas (see next paragraph) and the quadratus lumborum exclusively.

    Academic text (2001)

  • A total of four electrodes activated the abdominals, three in isolation and one in combination with the quadratus lumborum and adductor magnus.

    Academic text (2001)

  • The final case involved simultaneous spillover to both the obturator nerve (gracilis) and the quadratus lumborum.

    Academic text (2001)

  • Physical therapists often recommend exercises that strengthen the quadratus for better posture and core support.

  • The quadratus lumborum is crucial for lateral flexion of the spine and maintaining proper body alignment.

Surface Forms

quadratus singular
quadratuses plural

Etymology

Quadratus as a muscle name uses the Latin root quadr- meaning 'four' because the muscle is short and looks like a small square. That's why doctors call several square-shaped muscles quadratus.