1. Chapter 11 Unit 6 The Muscular System
Review
Chapter 11 Unit 6
The Muscular System

2. Review There are approximately how many muscles in the human body? 600
The body stores carbohydrates in the muscles in the form of starch called?
Glycogen
Muscles change glycogen to what for energy?
Glucose
All muscle activity is influenced by the?
Nervous system
The group of cells and its motor neurons are called?
Motor units

3. Review What are the two main functions of the muscular system?
To permit movement and maintain posture
The main function of skeletal muscle tissue?
Specialized to contract and bring about movement
The main function of smooth muscle tissue?
Makes the movement of internal organs possible, dilates and constricts blood vessels
Where is cardiac muscle tissue found?
Heart

4. Review When muscle contract, they become? Shorter and thicker
Explain a flexion position?
Bends a joint 
Explain a extensor position?
Straightening
Muscle that contract to move extremities toward the midline?
Adduction
Muscle that contract to move extremities away from the body’s center line?
Abduction

5. Review Wasting away of a part of the body from nonuse? Atrophy
Lack of muscle use, where the muscle cannot stretch?
Contracture
Strong fibrous structure, are attached to rough surfaces on a bone and are extremely strong, connects muscle to bone?
A tendon
The thickest and strongest tendon in the human body?
Achilles tendon
This is flexible and support organs and connect bone to bone?
A ligament

6. Review
The muscle most important in breathing divides the chest cavity from the abdominal cavity?
Diaphragm
The major muscle of the upper back?
Trapezius
The main upper chest muscle, that enables us to flex the arm across the chest?
Pectoralis major

7. Review The large muscle of the back? Latissimus dorsi
Triangle muscle on the upper arm?
Deltoid
 The largest and most superficial muscle of the buttocks?
Gluteus maximus
The longest muscle of the body on the front of the thigh?
Sartorius

8. Review
The largest muscle of the quadriceps, for IM injections for children?
Vastus lateralis
The main muscle in the calf of the leg, this permits you to stand tiptoe?
Gastrocnemius
Muscle of the forehead?
Frontalis(frontal) muscles
This muscles allows us to whistle, kiss, smile, grin?
Obicularis oris

9. Review
This is an injury to a muscle or tendon in which the muscle fibers tear as a result of overstretching?
A strain
Where is the hamstring located?
Posterior thigh(femoral)
This is a painful inflammation of the tendon?
Tendonitis
This is inflammation of a forearm tendon, also called tennis elbow?
Epicondylitis

10. Review
This is a chronic musculoskeletal condition characterized by widespread pain, it affects people of all ages?
Fibromyalgia Syndrome
This is a group of congenital disorder results in progressive wasting away of skeletal muscle?
Muscular Dystrophy
This is a neck deformity bends the head to the affected side and rotates the chin toward the opposite side?
Torticollis
Define paraplegia?
Paralysis of both legs and lower body
Define quadriplegia?
Paralysis of all four extremities