Review Muscles

1
Review Muscles

• If you are going to print out please print only
  slides 2- 7 6 slides /page
• All anatomy and functions are on your pig color
  sheet.

2
Muscle Functions

• 1. Depressor
• 2. Levator
• 3. Flexors
• 4. Extensors
• 5. Tensor
• 6. Abductor

• Lowers a structure
• Raises a structure
• Closes or bends a joint
• Opens or straightens a joint
• Stretches a ligament or muscle
• Moves a structure away from the medial plane

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Cont.

• 1. Insertion
• 2. Belly
• 3. Origin
• 4. Adduction
• 5. Tendon
• 6. Ligament

• End of muscle attacked to a moveable body part
• Fleshy part of a muscle
• End of muscle attached to a stationary point
• Moves a structure toward the medial plane
• Attaches muscle to bone
• Attaches bone to bone

4
More Terms

• 1. Sarcomeres
• 2. Heart
• 3. Skeleton
• 4. Linings of digestive/circulatory systems
• 5. Voluntary movement
• 6. Involuntary movement
• 7. Heartbeat

• Functional unit of myofibril
• Location of cardiac muscle
• Location of striated muscles
• Location of smooth muscles
• Function of voluntary muscles
• Function of involuntary muscles
• Function of cardiac muscles

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Scapula
Origin
Biceps
Belly
Origin
Triceps
Insertion
Radius
Humerus
Insertion
Ulna
6
Myofibril
Sarcomeres
Muscle Fiber
Z lines
7
Cardiac
Skeletal
Smooth
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Muscle Names 1

• 1. Latissimus Dorsi
• 2.Triceps
• 3.Trapezius
• 4. Brachiocephalic
• 5. Sternohyoid
• 6. Masseter

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3
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Muscle Names 2

• 1. Semitendinosus
• 2. Biceps Femoris
• 3. Biceps Femoris
• 4. Gluteus Medius
• 5. Tensor Fasciae Latae
• 6. External Oblique

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Muscle Actions 1

• 1. Flexes Shoulder
• 2. Extends Elbow
• 3. Lifts Shoulder
• 4. Extends Head and Neck
• 5. Swallowing
• 6. Elevates jaw Chewing

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2
5
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Muscle Actions 2

• 1. Extend Hip
• 2. Extend and abducts hind limbs
• 3. Same as two
• 4. Extends hip
• 5. Flexes hip extends knee
• 6. Compress Abdomen

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