Download The Muscular System Part 2:

The Muscular System Part 2:
• Naming and Identifying Muscles
• Muscle of the head
Get ready to take some notes
Naming Skeletal Muscles
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Direction
Size
Location
# of origins
Location of origin or insertion
Shape
Action
Direction
• Direction of muscle
fibers: The terms
– rectus (parallel)
– transverse
(perpendicular)
– oblique (at an angle)
in muscle names refer
to the direction of the
muscle fibers with
respect to the midline
of the body.
Size
• Maximus (largest),
minimus (smallest),
longus (longest), and
brevis (shortest) are
common suffixes
added to muscle
names.
Location
• A muscle name may
indicate a nearby bone
or body region.
– Ex. temporalis muscle
covers the temporal
bone.
– Ex. Rectus femoris
Number of Origins
• Biceps, triceps, and
quadriceps indicate two,
three, and four origins,
respectively.
Location of Origin or Insertion
• The
sternocleidomastoid
names the sternum
(“sterno”) and clavicle
(“cleido”) as its origins
and the mastoid
process of the temporal
bone as its insertion.
Shape
• The deltoid
(triangular),
trapezius (trapezoid),
serratus
(saw‐toothed), and
rhomboideus major
(rhomboid) muscles
have names that
describe their
shapes.
Action
• The motion terms we
just tested on such as
– Flexor
– Extensor
– adductor
Muscles of the Head
• Procerus - between the
• Depressor anguli oris - chin
eyebrows
• Depressor labii inferior- chin
• Frontalis - raising eye brows • Mentalis - chin
• Orbicularis Oculi • Platysma - neck
eyes/blinking
• Nasalis - nostrils
• Orbicularis Oris - lips
• Buccinator - whistling
Chewing Muscles
• Quadratus Labii Superioris - • Masseter
elvis lip
• Temporalis
• Risorius - smiling
• Medial Pterygoid - sphenoid
• Zygomaticus - smiling
• Levator Anguli Oris - smiling • Lateral Pterygoid - sphenoid
• Corrugator -eyebrow furrows
Muscles of the Head
• Use the coloring sheet to help you locate each
muscle from the lab guide
• Rinse the bones off of a mannequin head
• Paint the muscle on your mannequin head
• Number the muscles on your mannequin
• Make a key
• Verbal quiz + kahoot on Monday
• Computer practice Tuesday
• Quiz Wednesday
Practice Web Sites for the Face
• https://www.getbodysmart.com/ap/muscularsystem/e
xpression/menu/menu.html
• https://www.kenhub.com/en/quizzes/facial-muscles
• http://www.purposegames.com/game/muscles-of-thehead-neck-face-quiz
• http://www.sporcle.com/games/STCCI11/label-majormuscles-of-face-and-head
• https://play.kahoot.it/#/k/0c42de5d-09c6-4109-97808147e4494668
Wednesday 1/11/16 – Superficial
Muscles Posterior and Anterior
• LT: Today I will…
– Identify the superficial
muscles of human body
• Entry Task: Take out
your muscle guide
coloring packet. Get
ready to start identify
muscles!!!
Muscles of the Neck
• Today we are…
– Going over the basic, outer
muscles of the neck otherwise
known as the posterior and
anterior triangles
Splenius capitis
• Shaking the head
The Upper Limb:
Muscles of Scapular Stabilization
Musculotendinous Cuff
Shoulder Joint
5 Muscles of Scapular Stabilization:
This group of muscles are for support
and movement of the clavicles and
scapulae
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Trapezius
Rhomboids
Levator scapulae
Serratus anterior
Pectoralis minor
Levator Scapulae: Lifting the Scapula
Trapezius
• Function: lifting, retracting,
rotating and depressing the
scapulae
Rhomboids
• Function: Retraction
of the scapulae
Serratus Anterior
• Function: Protraction/forward
rotation of the scapula
Pectoralis Minor
• Function: Depression of
the shoulder point
4 Muscles of Musculoteninous cuff:
This group of muscles are for rotation,
abduction of the upper limb
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Supraspinatus
Infraspinatus
Teres minor
Subscapularis (not be tested on)
Supraspinatus
• Functions: Abduction
Infraspinatus and Teres minor
• Function: Lateral Rotation
Teres Major: adduction, extension,
medial rotation
Subscapularis
• Function: Medial Rotation
Muscles Acting on the Shoulder Joint
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Deltoid
Pectoralis Major
Latissimus Dorsi
Teres Major
Deltoid: abduction, extension, flexion,
medial and lateral rotation
Pectoralis Major: Adduction,
extension, flexion, medial rotation
Latissimus Dorsi: adduction, extension,
medial rotation
Lets Learn These!
Quiz tomorrow
• Get a partner
• Making a note card for each muscle
• Lab Guide (neck, shoulders, and chest)
– Name of the muscles on one side
– Function on the other (one word. Ex. Flexion)
Pair up with anyone you would like, pick a card from
the top of your stack and identify it. Partners, you
check for correctness
Arms
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Shoulder and chest quiz
Go over new muscles
Make flashcards or sticky-notes
Quiz tomorrow (at the end of class
when we have done some stuff
with the arm muscles)
Arms and Shoulders
• Flexor carpi radialis
– Flexes wrist and
abducts the hand
• Flexor carpi ulnaris
– flexes wrist and
adducts hand
Arms and Shoulders
• Triceps – extends
elbow
• Extensor carpi
radialis – extends
wrists and abducts
hand
• Extensor digitorum
– extends fingers
and wrist
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Rectus Abdominis
External Oblique
Internal Oblique
Transversus Abdominis
Abdomen
Hip/Thigh/Leg
• Adductor muscles
• Sartorius – flexes thigh
and hip
• Quads (vastus med.
Inter. Lateralis, and
rectus femoris) –
extend the knee and
flex the hip
• Tibialis anterior –
dorsiflexion
• Soleus - dorsiflexion
Hip/Thigh/Leg
• Gluteus Maximus –
extends the hip
• Gluteus Medius –
Abducts thigh
• Hamstring Muscles
(semitendinosus,
semimembranosus,
biceps femoris) – flex
knee and extend hip
• Gastrocnemius – plantar
flexes foot and flexes
knee
Web Practice Sites
• http://www.anatomyarcade.com/games/PAM
/PAM.html (poke a muscle)
• https://www.kenhub.com/en/quizzes/upperarm-muscles
• http://msjensen.cbs.umn.edu/webanatomy/
muscular/default.html
• http://highered.mheducation.com/sites/0072
907932/student_view0/chapter_9/labeling_ex
ercises.html#