Dorsal Longitudinal Muscles

Pronunciation
/DOR-sul LONG-i-too-din-al MUS-kuls/
Category
Anatomy
Singular
Dorsal Longitudinal Muscle
Plural
Dorsal Longitudinal Muscles

Definition

Muscles running along the dorsal (back) side of an insect's thorax, responsible for deforming the thorax, which indirectly powers the wings during flight.

Etymology

Example

The dorsal longitudinal muscles flex to deform the thorax, facilitating the wing's downstroke during flight.

Related Terms

  • Flight Muscles
  • Thorax
  • Wing Movement

Usage Notes

Dorsal longitudinal muscles are often paired and work antagonistically with dorsal ventral muscles to facilitate the rapid wing movements necessary for insect flight.