Muscular System

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Muscular System
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Purpose

• Movement
• Strength
• Protection
• Body Functions

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Types of Muscles

• Smooth found in organs
• Skeletal attaches to bones for movement
• Cardiac Found only in the heart

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Other Parts of Muscular System

• Tendons Attaches muscles to bones
• Ligaments Attaches bone to bone at the joints

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How Muscles Work

• All muscles work in pairs
• Contraction Muscles shorten
• Extension Muscles lengthen

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Names of Muscles

• Medical Name Common Name
• Sternomastoid Neck
• Trapezius Top of Shoulder
• Deltoids Side of Shoulders
• Triceps Back of Upper Arm
• Biceps Front of Upper Arm
• Flexors Under (lower arm)
• Extensors Top (lower arm)
• Pectorals Chest

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Names of Muscles

• Medical Name Common Name
• Latissimus Dorsi Sides/Back
• Abdominal Rectus Stomach
• External Obliques Lower Stomach
• Gluteus Maximus Bottom

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Names of Muscles

• Medical Name Common Name
• Quadriceps Front Thigh
• Hamstring Back of Thigh
• Abductors Outside of Thigh
• Adductors Inside of Thigh
• Gastrocnemius Calf
• Anterior Tibial Front Lower Leg
• Achilles Tendon Lower Leg/Foot

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Quiz

• Name three things the muscles do.
• What attaches muscles to bones?
• What attaches bone to bone?
• Give an example of where the following muscles
  can be found
• Smooth
• Skeletal
• Cardiac