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Muscular System Human Anatomy and Physiology I Oklahoma City Community College Dennis Anderson.

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Presentation on theme: "Muscular System Human Anatomy and Physiology I Oklahoma City Community College Dennis Anderson."— Presentation transcript:

1 Muscular System Human Anatomy and Physiology I Oklahoma City Community College Dennis Anderson

2 2 Muscles Movement Posture Stabilize joints Generate heat Protect

3 3 Flexion

4 4 Extension

5 5 Hyperextension

6 6 Dorsiflexion & Plantar Flexion

7 7 Abduction, Adduction & Circumduction

8 8 Rotation

9 9 Gliding

10 10

11 11 Terminology Prime mover (Agonist) –Muscle that is the main force for a given movement Biceps—prime mover for elbow flexioin Antagonist –Muscle that oppose a given movement Triceps

12 12 Terminology Continued Synergist –Muscle that works with another muscle for a given movement Belly –Thickest part of muscle –Biceps belly near the middle of the humerus

13 13 Muscle Attachments Origin Insertion

14 14 Origin Muscle attachment that moves the least Insertion Muscle attachment that moves the most

15 Sternocleidomastoideus Flexes and Rotates Head O: Sternum Manubrium & Clavicle I: Mastoid process

16 Masseter Elevate Mandible O: Zygomatic Arch I: Mandible

17 Temporalis Elevate & Retract Mandible

18 18 Orbicularis oris Closes & Protrudes Lips O: Maxilla & Mandible I: Mouth

19 19 Buccinator Sucking & Whistling

20 Trapezius Extend Head, Adduct, Elevate or Depress Scapula Trapezius

21 21 Rhomboid Major Adduct Scapula

22 22 Teres Major Adduct Humerus O: Scapula I: Humerus

23 Latissimus Dorsi Extend, Adduct & Rotate Arm Medially Latissimus dorsi O: Vertebrae, Ilium, Ribs, Scapula I: Humerus

24 Deltoid Abduct, Flex & Extend Arm O: Clavicle and Scapula I: Deltoid Tuberosity of Humerus

25 Supraspinatus Abduct arm

26 Infraspinatus Rotates Humerus Laterally

27 Pectoralis Major Flexes, adducts & rotates arm medially O: Clavicle and Sternum I: Greater Tubercle of Humerus

28 Biceps Brachii Flexes Elbow Joint O: Coracoid Process & Glenoid Cavity I: Radial Tuberosity

29 Triceps Brachii Extend Elbow Joint O: Humerus & Scapula I: Olecranon

30 30 Brachialis Flex forearm O: Humerus I: Ulna

31 31 Brachioradialis Flex Forearm

32 32 Flexor Carpi Radialis Flex Wrist

33 33 Flexor Digitorum Superficialis Flex Fingers

34 34 Pronator Teres Pronates forearm

35 35 Supinator Supinates forearm

36 36 Estensor Carpi Radialis Longus Extend Wrist

37 37 Estensor Digitorum Extend Fingers

38 Rectus Abdominus Flexes Abdomen O: Pubis I: Xiphoid Process & Cartilage of Ribs

39 External Oblique Compress Abdomen

40 Internal Oblique Compress Abdomen

41 External Intercostals Elevate ribs

42 Internal Intercostals Depress ribs

43 Diaphragm Inspiration

44 Gluteus Maximus O: Ilium, Sacrum & Coccyx I: Gluteal Tuberosity Extends & Rotates Thigh Laterally

45 45

46 Rectus Femoris O: Ilium I: Patella & Tibial Tuberosity Flexes Thigh, Extends Lower Leg

47 Vastus Lateralis Extends Lower Leg

48 Vastus Medialis Extends Lower Leg

49 Adductor Longus Adduct, Rotate & Flex Thigh Laterally

50 Gracilis Adducts and Flexes Thigh O: Ischium and Pubis I: Tibia

51 Sartorius O: Anterior Superior Iliac Spine I: Medial Side of Tibia Flexes Thigh, & Rotates Thigh Laterally

52 Biceps Femoris O: Ischial Tuberosity I: Tibia & Fibula Extends Thigh & Flexes Lower Leg

53 Semitendinosus Extends Thigh & Flexes Lower Leg

54 Semimembranosus Extends Thigh & Flexes Lower Leg

55 Gastrocnemius O: Femur I: Calcaneus of Foot Plantar Flexes Foot & Flex Lower Leg

56 Soleus Plantar Flexes Foot

57 Tibialis Anterior Dorsiflexes and Inverts Foot O: Lateral Condyle of Tibia I: Ankle

58 58 THE END


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