Transcript Chap 10 Muscles, Part II

Chap 10 Muscles, Part II
Learning Objectives
continued
Review and learn all muscles on these slides.
Warm-Up Practice, pg 295 - 296
Instructions: Matching. Write correct answer in your notes next to this slide.
1. Main muscle of the scalp
a) platyma
2. Nerve that innervates muscles of the scalp,
face
b) Orbicularis oris
3. Muscle that closes lips
c) Zygomaticus (major and
minor)
4. Muscle that holds food between teeth during
chewing
d) Epicranius
5. Muscle that helps depress mandible
f) Facial nerve
6. Protects eyes from intense light
g) Buccinator
7. Raises eyebrows
h) Depressor labii inferioris
8. Allows us to pout
i) Orbicularis oculi
9. Protrudes lower lip
j) mentalis
10. Smiling muscle
e) Frontal belly
Lateral Muscles of Scalp, Face & Neck
Label your practice
diagram as I discuss
each muscle.
Epicranius:
galea aponeurotica
Frontal belly
Corrugator
supercilii
Occipital belly
Orbicularis oculi
temporalis
Levatator labii
superioris
massester
Zygomaticus minor
and major
buccinator
sternocleidomastoid
trapezius
platysma
Splenius capitis
Muscles Promoting Tongue Movements
• Label all parts on your
practice diagram now.
What Do These Do? Pgs 298 - 299
Instructions: Write what each of these muscles do now in your notes next to
this slide. Be prepared to share your answers if called upon.
1. Genioglossus
2. Styloglossus
3. Hyoglossus
Muscles of the Neck & Vertebral Column
Label your practice
diagram as I discuss.
Longissimus
capitus
Iliocostalis cervicis
Spinalis thoracis
Semispinalis toracis
Quadratus lumborum
What do these 5 muscles
specifically do? Use the
Table on page 304 to assist
you.
Write their functions in your
notes now next to this slide.
Muscles of the Anterior Thorax, pg 312 - 313
• Label the
following
‘new’
muscles
on your
practice
diagram
now.
Challenge: Can you find
these muscles that you
already learned?
a) pectoralis major
b) pectoralis minor
c) trapezius
d) infraspinatus
subclavius
coracobrachialis
Levator
scapulae
Rhomboid
minor
Muscles of the Anterior Thorax
Instructions: Match ‘em up. Use pages 312 – 313 for reference.
1. Rhomboids
2. Trapezius
a) Prime mover to protract and hold scapula
against chest wall
3. Levator Scapulae
b) Help retract scapula (with middle trapezius)
4. Serratus anterior
c) Helps stabilize and depress pectoral girdle
5. Pectoralis minor
d) Stabilizes, raises, retracts, and rotates
scapula
6. Subclavius
e) Elevates and adducts scapula
f) Draws scapula forward and downward (with
ribs fixed)