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MUSCLES OF THE BODY You need to be able to know the location and action of these muscles!!!

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Presentation on theme: "MUSCLES OF THE BODY You need to be able to know the location and action of these muscles!!!"— Presentation transcript:

1 MUSCLES OF THE BODY You need to be able to know the location and action of these muscles!!!

2 Occipitalis Wrinkle forehead, elevate eyebrow

3 Frontalis Wrinkle forehead, elevate eyebrow

4 Orbicularis Oculi Blinks eye

5 Orbicularis Oris Closes Lips

6 Buccinator Compresses cheek

7 Zygomaticus Helps to smile (lift corners of lips)

8 Platysma Helps to frown (lower corners of lips)

9 Temporalis Close jaw

10 Masseter Close jaw

11 Sternocleidomastoid Flex neck and rotate head

12

13 Trapezius Extends head, rotates and adducts scapula

14 Latissimus Dorsi Extend, adduct & rotate arm medially

15 Deltoid Abducts & flexes arm

16

17 Pectoralis Major Flexes, adducts & rotates arm medially

18 Rotator Cuff Group of 4 muscles that rotates & stabilizes arm Supraspinatus, Infraspinatus, Subscapularis, Teres Minor

19

20 Erector Spinae Rotates and extends vertebral column and head

21 External Intercostals Elevate ribs (inspiration)

22 Internal Intercostals Depress ribs (forced expiration)

23 Diaphragm Inspiration

24 Rectus Abdominis Flexes & compresses abdomen

25 External Oblique Compresses abdomen

26 Internal Oblique Compresses abdomen

27 Transversus Abdominis Compresses abdomen

28

29 Biceps Brachii Flexes elbow joint (forearm)

30 Triceps Brachii Extend elbow joint (forearm)

31 Brachialis Flexes elbow joint (forearm)

32

33 Brachioradialis Flexes elbow joint (forearm)

34 Forearm Muscles Flexor carpi ulnaris – flexes wrist Flexor carpi radialis – flexes wrist

35 Forearm Muscles Extensor carpi radialis - extends wrist

36 Forearm Muscles Extensor carpi ulnaris - extends wrist

37 Forearm Muscles Flexor digitorum - flexes fingers

38 Forearm Muscles Extensor digitorum - extends fingers

39 Right Arm, Anterior Side (Palm side up)

40 Right Arm, Posterior Side (Palm side down)

41

42 Gluteus Maximus Extends & rotates thigh laterally

43 Gluteus Medius Abducts & rotates thigh

44

45

46 Upper Leg Muscles

47 Rectus Femoris Flexes Thigh, Extends Lower Leg (part of quadriceps)

48 Vastus Lateralis Extends Lower Leg (part of quadriceps)

49 Vastus Medialis Extends Lower Leg (part of quadriceps)

50 The 4 th muscle of the “quad” group is the Vastus Intermedius, which is hidden below the other three!

51 1. vastus medialis 2. vastus lateralis 3. vastus intermedius 4. rectus femoris

52 Sartorius Flexes & laterally rotates thigh (longest muscle of the body!)

53

54 Adductor Muscles Adducts thigh Gracilis, Adductor Magnus, Adductor Longus, Adductor Brevis

55

56 Biceps Femoris Flex knee and extend hip (part of hamstring group)

57 Semimembranosus Flex knee and extend hip (part of hamstring group)

58 Semitendinosus Flex knee and extend hip (part of hamstring group)

59

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62 Tibialis Anterior Dorsiflexes and inverts foot

63

64 Gastrocnemius Plantar flexes foot & flex lower leg (calf muscle)

65 Soleus Plantar flexes foot

66

67 Fibularis Longus Plantar flexes & everts foot

68

69 Extensor Digitorum Longus Extends toes

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