Face Muscles
What is the action of the orbicularis oculi?
blinking
What are the O, I, and action of the temporalis?
o= temporal bone
i= coronoid of mandible
a= closes mouth
What does it mean to ABduct and ADDuct?
ABduct: moving away
ADDuct: adding to middle
What is the rectus abdominus separated by?
tendons
Where are the hand flexors located?
located on anterior forearm as a group: flex hand/ wrist
Name the origin, action, and insertion of the zygomaticus.
A= smiling
O= zygomatic bone
I= angle of mouth
What is the action of the masseter?
closing mouth
Name the o,i, and a of the pectoralis major.
o= clavicle
i= greater tubericle of humerus
a= adducts humerus
what does the external oblique do?
superficial, flexes and rotates torso
What is the origin of the biceps brachii?
coracoid process
What is the action of the orbicularis oris?
kissing
a= bilateral (flexes head forward)
a= unilateral rotates head to opposite side
Which is deep, major or minor pectoralis?
minor
What is the action of the both the trapezius (superficial) and rhomboids (deep)?
ADDucts scapula
What is the action of the brachialis?
flexes forearm at elbo
Where is the tendon located?
attached at muscle and bone
What does the mylohyoid and digastric muscles do?
open mouth
What action does the serratus anterior do?
abducts scapula
Name the o, i, and a of the levator scapulae.
i= scapula
a= elevates scapula
Name the o, i, and a of the triceps brachii.
o= scapula/ humerus
i= olecranon process
a= extends forearm at elbow
What does a tendon look like?
wavy bundles of collagen
What is the action of the splenius?
a= bilateral (extend backward)
a= unilateral rotates head to same side
What is the soft spot of a baby called?
anterior fontanel
What is the action of the erector spinae?
extends torso
What is the action and insertion of the deltoid muscle?
a= ABducts humerus at shoulder
i= deltoid tuberosity