Muscle name: Splenius Capitis

Structure and relationships: V shape muscle, Holding head, just deap to the limb muscles.

Function: Ritatuin of the head (one), Extension of the head (both), Lateral flexion of the head.

Name of muscle: Splenius Cervicis

Structure and relationships: V shaped muscle that attaches to the neck, Just inferior to the splenius capitis.

Function: Rotation of neck, Lateral flexion of neck, Extension of neck.

Name of muscle: Iliocostalis Muscle.

Structure and relationship: Long V shaped, deep to the spino transverse group.

Function: Posture and support, Extension, Lateral flexion.

Name of muscle:Longissimus

structure and relationships: Long column of muscle, Connects to the head, Medial to the iliocostalis, goes from sacrum to the head, deep to the spino-transverse muscle.

Function: Extension, and Posture.

Name: Spinalis Muscle

Structure and relationship: Close to the spine, Medial to the longissimus, mid back, deep to the spino-transverse.

Function: Extension, and Posture.

Two muscles that make up the spinotransverse Muscles.

Splenius Capitis

Splenius Cervices

Three muscles that make up the

Erector Spinae Muscle -Posture-

Illiocostalis Muscle

Longissimus Muscle

Spinalis Muscle

Muscle name: Semispinalis

Structure and relationship: A shape, Head-mid thorax, deep to the erector spinae muscles, superficial to the multifidus.

Function: Extention of upper body, posture, and Rotation.