Muscles to Memorize (Middle)

Question 1

Splenius Capitis

Answer 1

Origin Ligamentum Nuchae
Insert Mastoid Process
Action cervical extension, latflex, rotation

Question 2

Sternocleidomastoid

Answer 2

Origin manubrium
Insert mastoid process
Action flex, latflex, rotation

Question 3

Diaphragm

Answer 3

Origin inferior rib cage
Insert central tendon
Action change vol of thoracic cavity

Question 4

Internal Intercostals Action

Answer 4

Exhale

Question 4

External Intercostals Action

Answer 4

Inhale

Question 5

Psoas Major

Answer 5

Origin Lumbar vert
Insert Lesser trochanter of femur
Action Flex hip

Question 6

Erector spinae group

Answer 6

Spinalis, Longissimus, Iliocostalis subgroups

Action: extension/latflex of vert column, maintain erect posture

Question 7

Iliacus

Answer 7

Origin Iliac Fossa
Insert lesser trochanter of femur
Action: flexes vert column and hip

Question 8

Digastric

Answer 8

Origin mandible/mastoid
Insert hyoid
Action elevate hyoid, depress mandible

Question 9

Mylohyoid

Answer 9

Origin mandible
Insert hyoid
Action elevate hyoid, depress mandible