Transcript
Muscular System
By: Steph, Natalie, Maddie
Functions of the System
• Muscles allow movement.
• Muscles give us our body form and shape.
• Enables facial expressions used to communication
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
Functions cont
• Triceps: pushing
• Pectorals: pushing from lying down position
• Calves: standing on tiptoes
• Gluteus and hamstrings: climbing stairs, walking, standing up
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.
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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.
Common Illnesses
• Chronic Fatigue Syndrome
• Difficulties with memory and concentration
• Sleeping problems• Muscle pains• Tender lymph nodes
and sore throat
Common Illnesses
• Rhabdomyolysis is the breakdown of muscle fibers.
• Some of these are toxic to the kidney and frequently result in kidney damage.
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
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.
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