1. Muscular System

2. Review
Parts of a muscle

3. Review

4. Review

5. Types of Contractions Isotonic
Concentric-muscle shortens
Eccentric- muscle lengthens
Isometric- hold in a stationary position

6. Interactions of Skeletal Muscle
Prime movers (agonist)- has responsibility for producing movement
Antagonist- Moves opposite to movement
Synergist - help prime mover
Fixators- Immobilize bone that muscle are moving around

7. Naming muscle Location- bone or body region associated
Shape- Deltoid (triangle)
Size- Gluteus Maximus (largest)
Direction of muscle fibers- rectus (straight), oblique (right angles)
Number of origins- biceps, triceps
Location of attachment- sternocleidomastoid
Actions- flexor, extensor

8. Facial expression Frontalis Platysma Obicularis Oculi & Oris
Zygomaticus Major &minor
Levator labii superioris
Buccinator

9. Facial Expressions Frontalis and Occipitalis (Epicranius)
Raises head back, wrinkles forehead

10. Facial Expression
Platysma- PeeWee Herman muscle

11. Facial Expression
Obicularis Oculi
Closes eye

12. Facial Muscle
Around the Lips
Makes puckering (kissing muscle)

13. Facial Expression Zygomaticus Major and minor Major- Smile
Minor- sad face

14. Facial Expression
Levator labii superioris
Elvis Muscle
Elevates lip

15. Facial Expression
Buccinator
Blowing

16. Muscles of Mastication
Masseter
Temporalis
Medial pterygoid
Lateral pterygoid

17. Muscles of Mastication
Masseter
Elevates mandible (closes mouth)

18. Muscles of Mastication
Temporalis
Closes and opens mouth
Side to side movement of mandible

19. Muscles of Mastication
Medial pterygoid
Protract mandible, assist in side to side movement

20. Muscle of Mastication Lateral pterygoid
Forward sliding and side to side movement of the mandible

21. Movement of Neck
Sternocleidomastiod- Flexes and laterally rotates head
Splenis capitis- extends head

22. Abdominal Wall Rectus Abdominis- sectioned (6 pack)
External Oblique- Sit up
Internal Oblique-same as external oblique
Transversus abdominis- compresses abdominal contents

23. Abdominal Wall

24. Shoulder and Back Deltoid- flap like a bird
Pectoralis Major- brings arms together
Serratus anterior- brings arms down and forward
Latissimus dorsi- brings arms down
Trapezius- should shrugs

25. Shoulder and Back

26. Upper Extremity Triceps Brachii Brachialis Biceps Brachii
Brachioradialis

27. Lower Extremity Sartorius- Tailors Muscle
Adductor group- Groin muscles
Quadriceps femoris
Rectus femoris
Vastus lateralis
Vastus medials

28. Gluteal Muscles
Gluteus maximus
Gluteus medius
Gluteus minimus

29. Hamstrings
Biceps femoris
Semitendinosus
semimembranosus

30. Calf Muscles
Gastrocnemius
Soleus
Plantaris