Muscle Groups of the Spine and Trunk

These flashcards cover key muscle groups involved in stabilizing and moving the spine and trunk, highlighting their locations and functions.

Lumbar

Relating to the lower back region of the spine.

Thoracic

Referring to the middle segment of the vertebral column.

Cervical

Pertaining to the neck region of the spine.

Suboccipital

Refers to muscles located at the back of the head, beneath the occipital bone.

Interspinalis

Muscles that connect the spines of adjacent vertebrae.

Intertransversarii

Muscles connecting the transverse processes of adjacent vertebrae.

Rotatores

Muscles that assist in the rotation of the vertebrae.

Transversospinalis

A group of muscles that span 3-5 vertebral levels and function as hybrid stabilizers.

Multifidus

A muscle that runs along the vertebral column, providing support.

Erector Spinae

A major muscle group that extends along the vertebral column and aids in movement.

Rectus abdominis

A major muscle in the abdominal region, functioning as a global mover.

External oblique

A large muscle on the side and front of the abdomen, contributing to trunk movement.

Scalenes

A group of muscles in the lateral neck, involved in neck stability and movement.

Transverse abdominis

A deep abdominal muscle that plays a vital role in trunk stability.

Longus colli

A muscle located in the neck that aids in cervical flexion.

Longus capitis

A muscle located at the front of the neck that assists in flexing the head.

Rectus capitis anterior

A small muscle that helps in flexing the head forward.

Rectus capitis lateralis

A muscle that stabilizes and laterally flexes the head.