1. Muscular System
Muscle tissue responds to messages from the brain and contracts, or shortens, to cause movement.

2. Question of the Day ? Which of the following is not a muscle?
Hamstrings
Gluteus Maximus
Trapezius
Tendons

3. Smooth Muscles
Include the muscles of internal organs abd blood vessels, are involuntary: they move without you being aware of it.
Cardiac muscle, found only in the heart is involuntary.

4. Skeletal Muscles
Are voluntary, or under you control.

5. Trapezius
Neck/upper back
Raises the head

6. Deltoid
Shoulders
Raises arms

7. Pectoralis Major
Chest
Moves arms

8. Biceps
Upper arm
Bends elbow

9. triceps
Upper arm, inside.
Straightens arm

10. Quadriceps
Thigh
Straightens leg

11. hamstrings
Back of thigh
Bends leg at the knee

12. Latissimus Dorsi
Lower back
Lowers arm

13. Gluteus Maximus
Butt
Extends thigh

14. Abdominals
The core/center part of the body.
Stomach.

15. Obliques
The side of your body.
The love handles.
Helps in breathing.

16. Main Function of the Muscular System
Helps in almost everything we do:
Heart beating.
Digestion.
Running/walking/sitting.
swallowing.
Smiling.