1 / 103

CHAPTER 10 MUSCULAR SYSTEM

CHAPTER 10 MUSCULAR SYSTEM. 2 Muscles of the face & head (Aponeurosis/Fascia: Flat, sheet-like tendon) Figure 10.6 page: 331 A. Epicranius- frontalis & occipitalis 1. Word derivation a. Epi: (G) on top of b. Cranius: (L) skull 2. Origin: Occipital bone

fritz
Télécharger la présentation

CHAPTER 10 MUSCULAR SYSTEM

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CHAPTER 10 MUSCULAR SYSTEM

  2. 2 Muscles of the face & head • (Aponeurosis/Fascia: Flat, sheet-like tendon) • Figure 10.6 page: 331 • A. Epicranius- frontalis & occipitalis • 1. Word derivation • a. Epi: (G) on top of • b. Cranius: (L) skull • 2. Origin: Occipital bone • 3. Insertion: skin/muscles around eye • 4. Action: Raise eyebrows • B. Orbicularis Oculi • 1. Derivation: (L) circular/round & eye • 2. O: Maxilary & frontal bones • 3. I: Skin around eye • 4. A: Closes eye (Sphincter muscle)

  3. 3 Figure 10.6 page: 331

  4. 4 C. Orbicularis Oris • 1. Oris (L) mouth • 2. O: Muscles near mouth • 3. I: skin of lips • 4. A: Closes and “pucker ups” lips (Sphincter) • D. Temporalis – video • 1. (L): side of head - temple region • temporalis bone • 2. O:Temporal bone • 3. I: Lateral surface of mandible • 4. A: Closes jaw #51 • E. Zygomaticus • 1. (G) Bar • 2. O: Zygomatic bone • 3. I: Obicularis oculi • 4. A: Raises corner of mouth (smile)

  5. 5 Figure 10.6 page: 331

  6. Temporalis Video #51

  7. 6 F. Buccinator – video #5 • 1. (L) Trumpeter • 2. O: Outer surface of maxilla & mandible • 3. I: Obicularis oris • 4. A: Compresses cheeks inwards • G. Masseter – video #31 • 1. (G) Chew • 2. O: Lower border of Zygomatic arch • 3. I: Lateral surface of mandible • 4. A: Closes jaw/chew

  8. 7. Figure: 107a: pg. 333

  9. Buccinator video #5

  10. Masseter muscle video #31

  11. 8 H. Sternocliedomastoid(eus)- SCM • 1. origins & insertions • 2. O: Sternum & clavicle(cliedeo, G-hook) • 3. I: mastoid process of temporal bone • 4. A: singly- rotate head, together- flex neck • I. Splenius capitis #47 • 1. • 2. O: Spinous & transverse processes of • lower cervical & upper thoracic vertebrae • 3. I: Mastoid process • 4. A: Rotate head, laterally flex neck

  12. 9 Fig. 10.9 a; pg. 337 SCM

  13. 10 Fig. 10.9b : page 337 splenius capitis

  14. Spleenius capitus Video #47

  15. .11I. Semispinalis Capitis #42 1. semi = half (origin ½ & ½) 2. O: Spinous & transverse processes of lower cervical & upper thoracic vertebrae 3. I: Occipital bone 4. A: Extend, laterally flex & rotate neck

  16. 12 Figure: 10.9 d page:339 Semispinalis capitis

  17. Semispinalis capitis video #42

  18. 13 Muscles of the pectoral girdle • Posterior • Fig. 10.13 c; page 348 • A. Trapezius #58 • 1. Shape: trapezoid • 2. O: Occipital bone, spinous process of cervical & thoracic spine • 3. I: Clavicle; spine & acromion process of scapula 4. A: Raises & rotates scapula • B. Rhomboid Major #38 • 1. Shape rhomboid • 2. O: Spinous processes of upper thoracics • 3. I: Medial boarder of scapula • 4. A: Raises & Adducts scapula

  19. 14 Fig. 10.13 c; page 348 trapezius & rhomboid

  20. Trapezius video #58

  21. Rhomboid major video #38

  22. 15 C. Levator Scapulae #29 1. Lifts scapula 2. O: Transverse processes of C-spine 3. I: Margin(superior/medial) of scapula 4. A:raises & adducts scapula Pectoral girdle, anterior. Fig. 10.13 a pg. 347 D. Serratus anterior #44 1. (L) saw toothed 2. O: Outer surface of upper ribs 3. I: Ventral surface of scapula 4. A: Pulls scapula anterior & down (inferior)

  23. 16 Fig. 10.13 c; page 348levator scapulae

  24. Levator scapulae – video #29

  25. 17 Figure: 10.13a; page: 347 serratus anterior

  26. Serratus anterior – video #44

  27. 18 E. Pectoralis minor #34Fig. 10.13 a; pg.347 1. (L) Chest 2. O: Sternal ends of upper ribs 3. I: Coracoid process (scapula) 4. A: Pulls scapula anterior & down Rotator cuff muscles(SITS) Fig. 10.14 b; page. 351 A. Supraspinatus* #50 1. Superior to scapula spine 2. O: Superior posterior aspect of scapula 3. I: Greater tubercle of humerous 4. A: Initiates arm abduction first 15 degrees

  28. 19 Fig. 10.13 a; pg.347 pectoralis minor

  29. Pectoralis minor – video #34

  30. 20 Fig. 10.14b; page. 351 supraspinatis

  31. Supraspinatus video # 50

  32. 21 B. Infraspinatus #25 1. Inferior to scapular spine 2. O: Inferior posterior scapula 3. I: Greater tubercle of humerous 4. A: External rotation of arm C.Teres minor #53 1. (l) Long and round 2. O: Lateral boarder of scapula 3. Greater tubercle of humerous 4. A: Rotate arm externally

  33. 22 Fig. 10.14b; page. 351 infraspinatus & teres minor

  34. Infraspinatus – video # 25

  35. Teres minor – video #53

  36. 23 D. Subscapularis* #48Fig. 10.14 d; pg. 352 1. Underneath (anterior) side of scapular spine 2. O: Anterior surface of scapula 3. I: Lesser tubercle of humerous 4. A: Prime mover - Rotates arm internally

  37. 24 Subscapularis* Fig. 10.14 d; pg. 352

  38. Subscapularis video #48

  39. 25 Muscles of the glenohumeral joint shoulder/upper arm Anterior muscles Figure 10.13 a; pg. 347 A. Pectoralis Major #33 1. (l) Chest 2. O: Clavicle, sternum & cartilagof upper ribs 3. I: Intertubercular grove of humerous 4. A: prime mover for upperar adduction

  40. 26 Figure 10.13 a; pg. 347 pectoralis major

  41. Pectoralis major video33

  42. 27 • B. Deltoid - #6 • figures 10.13 a&c pgs. 347 & 348 • Delta 1. (l) triangle shape • 2. O: Scapula, acromion process, spine, clavicle • 3. I: Deltoid tuberosity of humerous • 4. A: Prime mover for arm adduction (middle fibers), also flexes & extends arm

  43. 28 figures 10.13 a pgs. 347 deltoid anterior

  44. Deltoid muscle #6

  45. 29 figures 10.13c pgs 348 deltoid, posteror

  46. 30 Posterior C. Latisimus dorsi (lats) #28 1. lats/wings 2. O: Spinous processes of sacral, lumbar & lower thoracic spine 3. I: Intertubercular grove 4. A: Prime mover for upper arm adduction Fig. 10.14b; pg. 251 Muscles that move the elbow Fig. 10.14 a&b pages: 351 & 352 Anterior chamber

  47. 31 Fig. 10.14b; pg. 251 latisssimus dorsi

  48. Latisimus dorsi video-28

  49. 32 A. Brachialis #3 1. (l) arm 2. Origin: anterior distal humerous 3. Insertion: coronoid process of ulna 4. Prime mover for forearm (elbow) flexion B. Biceps brachii #1 1. (l) arm & muscle has 2 heads 2. Origin: short head: coricoid process long head: glenoid tubercle & glenoidcavity 3. Insertion: Radial tuberosity 4. Not the prime mover- synergist for flexion; supination of wrist

  50. 33 Figure: 10.14 d; page 352 brachialis

More Related