2. Functions of the System
• Muscles allow
movement.
• Muscles give us our
body form and shape.
• Enables facial
expressions used to
communication
3.
4. Functions of Parts
• Abdominal: sitting up,
postural alignment
• Biceps: lifting pulling
• Deltoids: overhead lifting
• Trapezius: moves head
sideways
• Oblique: rotation and side
extension of body
• Latissimus dorsi and
rhomboids: postural
alignment, open doors
5. Functions cont
• Triceps: pushing
• Pectorals: pushing from
lying down position
• Calves: standing on
tiptoes
• Gluteus and hamstrings:
climbing stairs, walking,
standing up
6. How is it connected to other
systems?
• Respiratory- as you
breathe in the muscles
relax, and the lungs
expand.
• Digestive- When you
swallow, the esophagus
muscles interact with the
digestive system.
• Nervous- sends signals to
move.
NO
7. Common Illnesses
• Muscular dystrophy
causes the muscles in
the body to become
weak. The muscles
break down and are
replaced with fatty
deposits over time.
8. Common Illnesses
• Chronic Fatigue
Syndrome
• Difficulties with
memory and
concentration
• Sleeping problems
• Muscle pains
• Tender lymph nodes
and sore throat
9. Common Illnesses
• Rhabdomyolysis is the
breakdown of muscle
fibers.
• Some of these are
toxic to the kidney and
frequently result in
kidney damage.
10. Interesting facts
• About 630 total.
• The gluteus maximus
is the largest.
• 72 to speak.
• The hardest working
muscles are in the eye.
• 17 to smile. 43 to
frown
11. Interesting Facts (cont.)
• Resting muscles
receive about 30% of
blood flow.
• Muscles use stored
ATP in about two
seconds.
• The circular muscle
controls lip
movement.
