1. Anatomy & Physiology of the Muscular system
By: Chanelle Banta
Audience: Anyone who wants to learn about the muscular system

2. Definition of Anatomy & Physiology
Anatomy- the study of structure
Physiology- the study of function

3. 3 Types of Muscle
Skeletal Muscle
Smooth Muscle
Cardiac Muscle

4. Skeletal Muscle Organ of the muscular system Composed of primarily:
skeletal muscle tissue
nervous tissue
blood and other connective tissue

5. Functions of the Skeletal Muscle
Movement
Posture
Stabilizes joints
Heat
Protects organs

6. Connective Tissue Covering
Fascia is the layers of dense connective tissue that holds the individual skeletal muscles in position.
Tendons are cordlike or bandlike mass of white fibrous connective tissue that connects a muscle to a bone.
The connective tissues associated with a muscle form broad, fibrous sheets called aponeuroses.

7. Muscle Flow Chart
Muscle
Fascicle
Muscle Fiber
Myofibril
Sarcomere

8. Neuromuscular Junction
Neurons establish communication networks throughout the body.

9. Muscle Contraction
The neurotransmitter that motor neurons use to control skeletal muscle contraction is called Acetylcholine.

10. Types of Contraction Isotonic contraction changes the muscle length.
Isometric contraction that does not change the length of the muscle.
Concentric contraction shortens the muscle.
Eccentric contraction is the force in a muscle less than that required to move an object.

11. Smooth Muscle Multiunit Smooth Muscle Visceral Smooth Muscle
Two Major Types:
Multiunit Smooth Muscle
Visceral Smooth Muscle

12. Multiunit Smooth Muscle
the muscle fibers are less organized and function as separate units, independent neighboring cells.
Multiunit Smooth Muscle
can be found in the irises of the eye

13. Visceral Smooth Muscle
composed of sheets of spindle-shaped cells held in close contact by gap junctions.
Visceral Smooth Muscle

14. appears only in the heart
Cardiac Muscle

15. Cardiac Muscle Composed of : Striated cells joined end to end
Forming fibers interconnected in branching
Three-Dimensional networks
Composed of :

16. Origin & Insertion Origin is the immovable end of a muscle.
Insertion is the movable end of a muscle.

17. Direct & Indirect Attachments
Direct Attachment is where the connective tissue fuses with the bone.
Indirect Attachment is where outer connective tissue forms a tendon that connects to the bone.

18. Major Skeletal Muscles
Pectoralis Major
Deltoid
Extensor Digitorum
Biceps Brachii
Sternocleidomastoid
External Oblique

19. Muscles Of Facial Expression
Epicranius
Orbicularis Oculi
Buccinator
Zygomaticus Major & Minor

20. Muscles That Move the Head & Vertebral Column
Sternoclediomastoid
Splenius Capitis
Semispinalis Capitis
Quadratus Lumborum
Erector Spinae

21. Muscles That Move The Arm
Coracobrachialis
Pectoralis Major
Teres Major
Latissimus Dorsi
Supraspinatus
Deltoid
Subscapularis
Infraspinatus
Teres Minor

22. Muscles That Move The Hand
Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus
Flexor digitorum profundus
Flexor digitorum superfilialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris
Extensor digitorum

23. Muscles That Move The Leg
Biceps femoris
Semiteninosus
Semimembranosus
Sartorius
Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedius

24. Muscles That Move The Foot
Tibialis anterior
Fibularis tertius
Extensor digitorum longus
Extensor hallucis longus
Gastrocnemius
Soleus
Plantaris
Flexor digitorum longus
Tibialis posterior
Fibularis longus

25. THE END!!