PowerPoint®
Lecture Slide Presentation
by Patty Bostwick-Taylor,
Florence-Darlington Technical College
Copyright © 2009 Pe...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Five Golden Rules of Skeletal Muscle Activity
Ta...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles and Body Movements
 Movement is attaine...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles and Body Movements
Figure 6.12
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
 Flexion
 Dec...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
Figure 6.13a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
Figure 6.13b
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
 Rotation
 Mo...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
Humerus Rotatio...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
 Abduction
 M...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
Figure 6.13d
Hu...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
 Circumduction...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Ordinary Body Movements
Wrist Circumduc...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
 Dorsiflexion
 Lifting the f...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
Figure 6.13e
Ankle Dorsiflexio...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
 Inversion
 Turn sole of foo...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
Ankle Inversion/EversionPLAY
F...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
 Supination
 Forearm rotates...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
Figure 6.13g
Elbow Pronation/S...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
 Opposition
 Move thumb to t...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Special Movements
Hand OppositionPLAY
Figure 6.1...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Types of Muscles
 Prime mover—muscle with the m...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Naming Skeletal Muscles
 By direction of muscle...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Naming Skeletal Muscles
 By location of the mus...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Naming Skeletal Muscles
 By location of the mus...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Head and Neck Muscles
 Facial muscles
 Frontal...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Head and Neck Muscles
 Neck muscles
 Platysma—...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Head and Neck Muscles
Figure 6.15
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of Trunk, Shoulder, Arm
 Anterior muscl...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Anterior Muscles of Trunk, Shoulder, Arm
Figure ...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of Trunk, Shoulder, Arm
 Muscles of the...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Anterior Muscles of Trunk, Shoulder, Arm
Figure ...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of Trunk, Shoulder, Arm
 Posterior musc...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of Posterior Neck, Trunk, Arm
Figure 6.1...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Upper Limb
 Biceps brachii—supin...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Anterior Muscles of Trunk, Shoulder, Arm
Figure ...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of Posterior Neck, Trunk, Arm
Figure 6.1...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Limb
 Gluteus maximus—hip ...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Pelvis, Hip, Thigh
Figure 6.19a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Pelvis, Hip, Thigh
Figure 6.19c
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Limb
 Muscles causing move...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Pelvis, Hip, Thigh
Figure 6.19a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Limb
 Muscles causing move...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Pelvis, Hip, Thigh
Figure 6.19c
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Limb
 Muscles causing move...
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Leg
Figure 6.20a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Leg
Figure 6.20b
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Superficial Muscles: Anterior
Figure 6.21
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Superficial Muscles: Posterior
Figure 6.22
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Intramuscular Injection Sites
Figure 6.18, 6.19b...
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CVA A&P - Chapter 6c: Muscle Movements and Major Muscles

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CVA A&P - Chapter 6c: Muscle Movements and Major Muscles

  1. 1. PowerPoint® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings PART C 6 The Muscular System
  2. 2. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Five Golden Rules of Skeletal Muscle Activity Table 6.2
  3. 3. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles and Body Movements  Movement is attained due to a muscle moving an attached bone  Muscles are attached to at least two points  Origin  Attachment to a moveable bone  Insertion  Attachment to an immovable bone
  4. 4. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles and Body Movements Figure 6.12
  5. 5. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements  Flexion  Decreases the angle of the joint  Brings two bones closer together  Typical of hinge joints like knee and elbow  Extension  Opposite of flexion  Increases angle between two bones
  6. 6. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements Figure 6.13a
  7. 7. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements Figure 6.13b
  8. 8. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements  Rotation  Movement of a bone around its longitudinal axis  Common in ball-and-socket joints  Example is when you move atlas around the dens of axis (shake your head “no”)
  9. 9. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements Humerus RotationPLAY Figure 6.13c
  10. 10. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements  Abduction  Movement of a limb away from the midline  Adduction  Opposite of abduction  Movement of a limb toward the midline
  11. 11. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements Figure 6.13d Humerus Adduction/AbductionPLAY
  12. 12. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements  Circumduction  Combination of flexion, extension, abduction, and adduction  Common in ball-and-socket joints
  13. 13. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements Wrist CircumductionPLAY Humerus CircumductionPLAY Figure 6.13d
  14. 14. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Dorsiflexion  Lifting the foot so that the superior surface approaches the shin  Plantar flexion  Depressing the foot (pointing the toes)
  15. 15. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Figure 6.13e Ankle Dorsiflexion/Plantar FlexionPLAY
  16. 16. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Inversion  Turn sole of foot medially  Eversion  Turn sole of foot laterally
  17. 17. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Ankle Inversion/EversionPLAY Figure 6.13f
  18. 18. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Supination  Forearm rotates laterally so palm faces anteriorly  Pronation  Forearm rotates medially so palm faces posteriorly
  19. 19. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Figure 6.13g Elbow Pronation/SupinationPLAY
  20. 20. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Opposition  Move thumb to touch the tips of other fingers on the same hand
  21. 21. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Hand OppositionPLAY Figure 6.13h
  22. 22. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Muscles  Prime mover—muscle with the major responsibility for a certain movement  Antagonist—muscle that opposes or reverses a prime mover  Synergist—muscle that aids a prime mover in a movement and helps prevent rotation  Fixator—stabilizes the origin of a prime mover
  23. 23. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Naming Skeletal Muscles  By direction of muscle fibers  Example: Rectus (straight)  By relative size of the muscle  Example: Maximus (largest)
  24. 24. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Naming Skeletal Muscles  By location of the muscle  Example: Temporalis (temporal bone)  By number of origins  Example: Triceps (three heads)
  25. 25. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Naming Skeletal Muscles  By location of the muscle’s origin and insertion  Example: Sterno (on the sternum)  By shape of the muscle  Example: Deltoid (triangular)  By action of the muscle  Example: Flexor and extensor (flexes or extends a bone)
  26. 26. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Head and Neck Muscles  Facial muscles  Frontalis—raises eyebrows  Orbicularis oculi—closes eyes, squints, blinks, winks  Orbicularis oris—closes mouth and protrudes the lips  Buccinator—flattens the cheek, chews  Zygomaticus—raises corners of the mouth  Chewing muscles  Masseter—closes the jaw and elevates mandible  Temporalis—synergist of the masseter, closes jaw
  27. 27. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Head and Neck Muscles  Neck muscles  Platysma—pulls the corners of the mouth inferiorly  Sternocleidomastoid—flexes the neck, rotates the head
  28. 28. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Head and Neck Muscles Figure 6.15
  29. 29. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of Trunk, Shoulder, Arm  Anterior muscles  Pectoralis major—adducts and flexes the humerus  Intercostal muscles  External intercostals—raise rib cage during inhalation  Internal intercostals—depress the rib cage to move air out of the lungs when you exhale forcibly
  30. 30. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Anterior Muscles of Trunk, Shoulder, Arm Figure 6.16a
  31. 31. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of Trunk, Shoulder, Arm  Muscles of the abdominal girdle  Rectus abdominis—flexes vertebral column and compresses abdominal contents (defecation, childbirth, forced breathing)  External and internal obliques—flex vertebral column; rotate trunk and bend it laterally  Transversus abdominis—compresses abdominal contents
  32. 32. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Anterior Muscles of Trunk, Shoulder, Arm Figure 6.16b
  33. 33. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of Trunk, Shoulder, Arm  Posterior muscles  Trapezius—elevates, depresses, adducts, and stabilizes the scapula  Latissimus dorsi—extends and adducts the humerus  Deltoid—arm abduction
  34. 34. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of Posterior Neck, Trunk, Arm Figure 6.17a
  35. 35. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Upper Limb  Biceps brachii—supinates forearm, flexes elbow  Brachialis—elbow flexion  Brachioradialis—weak muscle  Triceps brachii—elbow extension (antagonist to biceps brachii)
  36. 36. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Anterior Muscles of Trunk, Shoulder, Arm Figure 6.16a
  37. 37. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of Posterior Neck, Trunk, Arm Figure 6.17a
  38. 38. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Gluteus maximus—hip extension  Gluteus medius—hip abduction, steadies pelvis when walking  Iliopsoas—hip flexion, keeps the upper body from falling backward when standing erect  Adductor muscles—adduct the thighs
  39. 39. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Pelvis, Hip, Thigh Figure 6.19a
  40. 40. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Pelvis, Hip, Thigh Figure 6.19c
  41. 41. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Muscles causing movement at the knee joint  Hamstring group—thigh extension and knee flexion  Biceps femoris  Semimembranosus  Semitendinosus
  42. 42. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Pelvis, Hip, Thigh Figure 6.19a
  43. 43. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Muscles causing movement at the knee joint  Sartorius—flexes the thigh  Quadriceps group—extends the knee  Rectus femoris  Vastus muscles (three)
  44. 44. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Pelvis, Hip, Thigh Figure 6.19c
  45. 45. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Muscles causing movement at ankle and foot  Tibialis anterior—dorsiflexion and foot inversion  Extensor digitorum longus—toe extension and dorsiflexion of the foot  Fibularis muscles—plantar flexion, everts the foot  Soleus—plantar flexion
  46. 46. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Leg Figure 6.20a
  47. 47. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Leg Figure 6.20b
  48. 48. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Muscles: Anterior Figure 6.21
  49. 49. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Muscles: Posterior Figure 6.22
  50. 50. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Intramuscular Injection Sites Figure 6.18, 6.19b, d
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