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1.05 Understand the functions and disorders of the muscular system

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Title: 1.05 Understand the functions and disorders of the muscular system


1
1.05 Understand the functions and disorders of
the muscular system
2
1.05 Understand the functions and disorders of
the muscular system
  • What are the characteristics of muscles?
  • What are the functions of the muscular system?
  • What are common disorders of the muscular system?
  • How are muscular disorders treated?
  • How does the muscular system relate to the bodys
    support and movement?

3
Characteristics of Muscles
  • Contractibility
  • Excitability
  • Extensibility
  • Elasticity

4
Characteristics of Muscles
  • Contractibility

5
Characteristics of Muscles
  • Contractibility
  • Myoneural stimulation
  • contraction of muscle proteins
  • movement and heat

6
Characteristics of Muscles
Contractibility Neurotransmitter at site of
muscle stimulus.
  • The sodium-potassium pump of the membrane of a
    muscle cell.
  • The purpose of this slide is to illustrate the
    complexity of the process of movement.

7
Characteristics of Muscles
  • Excitability

8
Characteristics of Muscles
  • Extensibility

9
Characteristics of Muscles
  • Elasticity

10
Characteristics of Muscles
  • Contractibility
  • Excitability
  • Extensibility
  • Elasticity

11
Muscle Tone
  • Discuss muscle tone.
  • Atrophy
  • a- ________ -trophy ________
  • Hypertrophy
  • hyper- _______ -trophy ________

12
Muscle Tone
  • John just got a cast off his leg. His calf
    muscle on the affected leg is 1 smaller in
    diameter than his other calf muscle.
  • What happened?
  • How do you explain this to him?

13
Muscle ToneExercise Training
  • What are the advantages of exercise?
  • Are there any disadvantages of exercise?

14
Muscle Fatigue
  • Discuss muscle fatigue
  • What causes muscle fatigue?
  • How does the body correct muscle fatigue?
  • Is muscle fatigue dangerous? Why / why not?
  • Discuss aerobic and anaerobic exercise.
  • Give examples of each.

15
Functions of the Muscular System
  • What are the functions of the muscular system?

16
MovementSkeletal Muscle
  • Receptors in muscles provide the brain with
    information about body position and movement.
  • The brain controls the contraction of skeletal
    muscle.

17
Movement
  • Discuss the mechanism of skeletal muscle movement
    to include
  • Point of origin
  • Point of insertion
  • Identify the
  • Prime mover
  • Antagonist
  • Synergists

18
MovementDigestive System
  • The nervous system regulates the speed at which
    food moves through the digestive tract.

19
MovementCirculatory SystemHeartbeat
  • The nervous system and hormones regulate the
    speed at which the heart beats.

20
Posture
  • How does the muscular system effect posture?

21
Body Heat
  • What is the bodys response to cold? Why?
  • How is this response helpful?
  • How does the body respond to exercise? Why?

22
Myopathy
  • Myo-
  • -pathy

23
Fibromyalgia
  • Discuss the pictures and how they relate to
    fibromyalgia.
  • Cause
  • Symptoms
  • Diagnosis
  • Treatment
  • Prognosis

24
Hernia
  • Discuss hernias.
  • Causes
  • Locations
  • Symptoms
  • Diagnosis
  • Treatment
  • Prevention

25
Muscle Spasms(Involuntary hypertonicity)
  • Discuss muscle spasms.
  • Causes
  • Locations
  • Symptoms
  • Diagnosis
  • Treatment
  • Prognosis

26
Muscular Dystrophy
  • Discuss the picture and how it relates to
    muscular dystrophy.
  • Cause
  • Symptoms
  • Diagnosis
  • Treatment
  • Prognosis

27
Myasthenia Gravis
  • Discuss the picture and how it relates to
    myasthenia gravis.
  • Cause
  • Symptoms
  • Diagnosis
  • Treatment
  • Prognosis

28
Strain
  • What happened here?
  • What symptoms is this man having? Why?
  • How will he treat them?
  • What is his prognosis?

29
Tendonitis
  • Discuss the pictures and how they relate to
    tendonitis.
  • Cause
  • Symptoms
  • Diagnosis
  • Treatment
  • Prognosis

30
Tetanus
  • Discuss the picture and how it relates to
    tetanus.
  • Cause
  • Symptoms
  • Diagnosis
  • Treatment
  • Prognosis

31
1.05 Understand the functions and disorders of
the muscular system
  • What are the characteristics of muscles?
  • What are the functions of the muscular system?
  • What are common disorders of the muscular system?
  • How are muscular disorders treated?
  • How does the muscular system relate to the bodys
    support and movement?
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