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The Muscular System.

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Presentation on theme: "The Muscular System."— Presentation transcript:

1 The Muscular System

2 What does the muscular system do?
It allows for the ____________________of the body whether ____________________ or ____________________. ____________________: muscles that you consciously control ____________________: muscles that are not consciously controlled.

3 ___________________ Muscles
They _______________________________________________________________________________________________________________ certain substances through. Smooth muscles are ____________________ muscles – Muscles that perform with out consciously being to to.

4 ________________ Muscles
Allow the _______________ of the body to move. They attach to the _______________ and are _______________ controlled. _______________: Allows joint to close ex. _______________ _______________: allows joint to open ex. _______________ Concentric contraction: ____________________________________________________________________________________________. Eccentric contraction: ____________________________________________________________________________________________.

5 _____________________: moving away from the center toward the left or right as in rotation.
Medial movement: ________________________________________________________________________. A____duction: (as if lifting to the side) motion away from the center. A____duction: (as if lowering from side) motion toward the center.

6 Cardiac Muscle It forms the wall of the __________________. These, too, are ______________________ muscles.

7 Muscle Movements: functional name comes from the type of movement it permits.
Ex. Flexor: permits bending (flexion) Adductor: movement toward axis (adduction) Circumductor: allows a circular motion (circumduction) Muscle Growth: Develops when existing muscle fibers ________________________. Strength and size differ among individuals because of factors such as __________________________

8 Major Muscles Structure 1. Shoulder/Neck Pectoralis Major Minor
Deltoid Rotator Cuff Supraspinatus Infraspinatus Teres Minor Subcapularis Sternocleidomastoideus Primary Function 1. Shoulder/Neck _______________________ __________________ Example Exercise 1. Shoulder/Neck

9 Structure 2. Chest/Ab Rectus Abdominis Oblique Internal, external Transverse Abdominis Diaphram 3. Hip Illiopsoas Major, minor Gluteus Quadriceps Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius Sartotius 4. Back Trapezius Lattissimus Dorsi Levator Scapulae Rhomboids Primary Function 2. Chest/Ab __________________Trunk Lateral _________________ _______________ abdomen Raises and lowers _________ 3. Hip Hip _____________________ ________________________ _________________________ 4. Back _________________ scapula __________________ of arm Lateral _____________of neck ________________ of Scapula Example Exercise 2. Chest/Ab 3. Hip 4. Back

10 Structure 5. Elbow/Wrist Biceps Triceps Brachialis Flexors Extensors 6. Knee/Ankle Hamstring Biceps femoris Semitendinosus Semimembranosus Quadriceps Rectus femoris Vastus lateralis Vastus medialis Vastus intermedius Gastrrocnemius Soleus Tibialis Anterior Primary Function 5. Elbow/Wrist Flexes Extension Flexion Flexion of hand/fingers Extension of hand/fingers 6. Knee/Ankle Flexes knee Extends knee Plantar flexion of foot Dorsiflexes Example Exercise 5. Elbow/Wrist _____________________ 6. Knee/Ankle



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