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7th Edition Medical Terminology for Health Professions Ann Ehrlich/Carol L.Schroeder © 2013 Delmar, Cengage Learning. All Rights Reserved The Muscular.

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Presentation on theme: "7th Edition Medical Terminology for Health Professions Ann Ehrlich/Carol L.Schroeder © 2013 Delmar, Cengage Learning. All Rights Reserved The Muscular."— Presentation transcript:

1 7th Edition Medical Terminology for Health Professions Ann Ehrlich/Carol L.Schroeder © 2013 Delmar, Cengage Learning. All Rights Reserved The Muscular System Chapter 4

2 © 2013 Delmar, Cengage Learning. All Rights Reserved Overview of Structures, Combining Forms, and Functions of the Muscular System

3 © 2013 Delmar, Cengage Learning. All Rights Reserved Muscles Primary Function –Make body movement possible –Hold body erect –Move body fluids –Produce body heat

4 © 2013 Delmar, Cengage Learning. All Rights Reserved Muscles Related Word Parts (Combining Forms) –my/o, myos/o

5 © 2013 Delmar, Cengage Learning. All Rights Reserved Fascia Primary Function –Cover, support, and separate muscles Related Word Parts (Combining Forms) –fasci/o

6 © 2013 Delmar, Cengage Learning. All Rights Reserved Tendons Primary Function –Attach muscles to bones Related Word Parts (Combining Forms) –ten/o, tend/o, tendin/o

7 © 2013 Delmar, Cengage Learning. All Rights Reserved Types of Muscle Tissue Skeletal muscles: Attached to bones of the skeleton Make body motions possible Voluntary muscles Striated muscles (continues)

8 © 2013 Delmar, Cengage Learning. All Rights Reserved Types of Muscle Tissue (continues)

9 © 2013 Delmar, Cengage Learning. All Rights Reserved Types of Muscle Tissue Smooth muscles: Located in walls of internal organs, blood vessels, and ducts leading from glands Move and control the flow of fluids through these structures Involuntary, unstriated, and visceral muscles (continues)

10 © 2013 Delmar, Cengage Learning. All Rights Reserved Types of Muscle Tissue (continues)

11 © 2013 Delmar, Cengage Learning. All Rights Reserved Types of Muscle Tissue Myocardial Muscle Form the muscular walls of the heart Myocardium or cardiac muscle (continues)

12 © 2013 Delmar, Cengage Learning. All Rights Reserved Types of Muscle Tissue

13 © 2013 Delmar, Cengage Learning. All Rights Reserved Types of Muscle Tissue Click Here to play Types of Muscle Tissue animation

14 © 2013 Delmar, Cengage Learning. All Rights Reserved Muscle Contraction and Relaxation Muscle innervation: stimulation of a muscle by an impulse transmitted by a motor nerve Neuromuscular: pertaining to the relationship between a nerve and muscle (continues)

15 © 2013 Delmar, Cengage Learning. All Rights Reserved Muscle Contraction and Relaxation Antagonistic Muscle Pairs –Contraction –Relaxation

16 © 2013 Delmar, Cengage Learning. All Rights Reserved Contrasting Muscle Motion Abduction: movement of a limb away from the midline of the body Adduction: movement of a limb toward the midline of the body (continues)

17 © 2013 Delmar, Cengage Learning. All Rights Reserved Contrasting Muscle Motion (continues)

18 © 2013 Delmar, Cengage Learning. All Rights Reserved Contrasting Muscle Motion Flexion: decreasing the angle between two bones by bending a limb at a joint Extension: increasing the angle between two bones or the straightening out of a limb Hyperextension: the extreme or overextension of a limb or body part beyond its normal limit (continues)

19 © 2013 Delmar, Cengage Learning. All Rights Reserved Contrasting Muscle Motion

20 © 2013 Delmar, Cengage Learning. All Rights Reserved Rotation and Circumduction Rotation: a circular movement around an axis such as the shoulder joint Circumduction: the circular movement at the far end of a limb (continues)

21 © 2013 Delmar, Cengage Learning. All Rights Reserved Rotation and Circumduction

22 © 2013 Delmar, Cengage Learning. All Rights Reserved Supination and Pronation Supination: the act of rotating the arm or leg so that the palm of the hand or sole of the foot is turned forward or upward Pronation: the act of rotating the arm or leg so that the palm of the hand or sole of the foot is turned downward or backward (continues)

23 © 2013 Delmar, Cengage Learning. All Rights Reserved Supination and Pronation

24 © 2013 Delmar, Cengage Learning. All Rights Reserved Dorsiflexion and Plantar Flexion Dorsiflexion: the movement that bends the foot upward at the ankle Plantar flexion: the movement that bends the foot downward at the ankle (continues)

25 © 2013 Delmar, Cengage Learning. All Rights Reserved Dorsiflexion and Plantar Flexion

26 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions bi- –twice, double, two -cele –hernia, tumor, swelling dys- –bad, difficult, or painful fasci/o –fascia, fibrous band (continues)

27 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions fibr/o –fibrous tissue, fiber -ia –abnormal condition, disease, plural of -ium -ic –pertaining to kines/o, kinesi/o –movement (continues)

28 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions my/o –muscle -plegia –paralysis, stroke -rrhexis –rupture tax/o –coordination, order (continues)

29 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions ten/o, tend/o, tendin/o –tendon, stretch out, extend, strain ton/o –tone, stretching, tension, tri- –three

30 © 2013 Delmar, Cengage Learning. All Rights Reserved Spinal Cord Injuries Click Here to play Spinal Cord Injuries animation

31 © 2013 Delmar, Cengage Learning. All Rights Reserved Questions

32 © 2013 Delmar, Cengage Learning. All Rights Reserved Question The largest muscle in the human body is found in the buttocks. True or False?

33 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer True. The gluteus maximus in the buttocks is the largest muscle in the body.

34 © 2013 Delmar, Cengage Learning. All Rights Reserved Question How many muscles are required to raise your eyebrows? a.15 b.8 c.30

35 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer c. 30

36 © 2013 Delmar, Cengage Learning. All Rights Reserved Question Pronation is the act of rotating the arm so that the palm of the hand is turned upward. True or False?

37 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer False. Supination is the act of rotating the arm so that the palm of the hand is turned upward.

38 © 2013 Delmar, Cengage Learning. All Rights Reserved Question Singultus is the medical term for: a.A facial tick b.Hiccups c.Cramps

39 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer b. Hiccups

40 © 2013 Delmar, Cengage Learning. All Rights Reserved Answers to Learning Exercises

41 © 2013 Delmar, Cengage Learning. All Rights Reserved Matching Word Parts ia 4.2. fasci/o 4.3. fibr/o cele 4.5. kines/o, kinesi/o 4.6. tax/o 4.7. my/o rrhexis 4.9. tend/o ton/o Matching Muscle Directions and Positions transverse sphincter oblique rectus lateralis Chapter 4 Answers

42 © 2013 Delmar, Cengage Learning. All Rights Reserved Definitions skeletal heel spur supination bradykinesia physiatrist myofascial tendon adhesion Definitions paraplegia tenodesis myocardial gluteus maximus tendon deltoid sphincter Chapter 4 Answers

43 © 2013 Delmar, Cengage Learning. All Rights Reserved Which Word? strain neuromuscular blocker dystonia impingement syndrome deltoid Spelling Counts antispasmodic singultus gravis ganglion pronation Chapter 4 Answers

44 © 2013 Delmar, Cengage Learning. All Rights Reserved Abbreviation Identification carpal tunnel syndrome deep tendon reflexes range of motion repetitive stress disorder spinal cord injury Term Selection myorrhexis myolysis hyperkinesia hamstring myofascial release Chapter 4 Answers

45 © 2013 Delmar, Cengage Learning. All Rights Reserved Sentence Completion epicondylitis flexion intermittent claudication myoparesis spasmodic torticollis Word Surgery electr/o, my/o, -graphy hyper-, kines, -ia my/o, clon, -us poly-, myos, -itis sarc/o, -penia Chapter 4 Answers

46 © 2013 Delmar, Cengage Learning. All Rights Reserved True/False True False True False False Clinical Conditions ganglion cyst myocele atrophy hypotonia chronic fatigue Achilles tendinitis myalgia shin splint quadriplegia hemiparesis Chapter 4 Answers

47 © 2013 Delmar, Cengage Learning. All Rights Reserved Which Is the Correct Medical Term? dystrophy carpal tunnel release adduction myotomy dorsiflexion Challenge Word Building myopathy polymyalgia myonecrosis fasciorrhaphy polymyectomy fasciodesis myocarditis fasciectomy herniorrhaphy sphincterotomy Chapter 4 Answers

48 © 2013 Delmar, Cengage Learning. All Rights Reserved Labeling Exercises flexion extension abduction adduction pronation supination dorsiflexion plantar flexion circumduction rotation Chapter 4 Answers


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