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External abdominal oblique

Internal abdominal oblique

Transverse abdominis

Rectus abdominis
Origin: pubic crest
Insertion: costal cartilage ribs 5-7; xiphoid process
Action: flexes spine

Linea alba

Inguinal ligament

Psoas major

Quadratus lumborum

Erector spinae

Spinalis part of erector spinae

Longissimus part of erector spinae

iliocostalis part of erector spinae

Serratus posterior superior

Serratus posterior inferior

Thoracolumbar fascia

Rhomboid major

Rhomboid minor

Frontalis

Epicranial aponeurosis

Occipitalis

Temporalis

Orbicular oculi

Nasalis

levator labii superioris

Levator anguli oris

Zygomaticus

Masseter
Origin: zygomatic arch and maxilla
Insertion: Coronoid process and ramus of mandible
Action: elevates and protracts mandible

Buccinator

Medial pterygoid

Lateral pterygoid

Orbicularis oris

Depressor anguli oris

Depressor labii inferioris

Mentalis

Platysma

Omohyoid

Sternohyoid

Sternothyroid

Thyrohyoid

Digastric

Mylohyoid

Sternocleidomastoid * phone anterior pic
Origin: sternum and clavicle
Insertion: mastoid process
Action: rotates head; flexes neck

Scalenes * phone anteror pics

Splenius capitis

Splenius cervicis

Semispinalis capitis