Head, neck, trunk origins, insertions, movements

Question 1

orbicularis oculi

Answer 1

Origin - medial margin of the orbit
Insertion - skin of the eyelid
Action - close eyes

Question 2

Temporalis

Answer 2

Origin - temporal bone
Insertion - mandible
Action - retraction / elevation of the mandible

Question 3

Sternocleidmastoid

Answer 3

Origin - sternal end of the clavicle, sternum
Insertion - mastoid process
Action - flexion of the neck

Question 4

Trapezius

Answer 4

Origin - thoracic vertebrae, base of the skull (occipital bone), cervicle vertebrae
Insertion - clavicle, acromion of the scapula, spine of the sacpula
Action - extends

Question 5

Rectus abdonimis

Answer 5

Origin - pubic bone (superior surface)
Insertion - xiphoid process,
costal cartilage of ribs 5-7
Action - flexion

Question 6

Diaphragm

Answer 6

Origin - first lumbar vertebra, xiphoid process, lower ribs
Insertion - A central tendon
Action - when contracts moves inferiorly