Chapter11 musclespart1marieb
-
Upload
doktordeath -
Category
Sports
-
view
125 -
download
0
Transcript of Chapter11 musclespart1marieb
![Page 1: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/1.jpg)
Ch 11, Muscles of the Body
Part 1: The Axial Musculature
Consists of the Head and Neck
Spine
Ribs
Know the Terms: Origin, Insertion, Action
Agonist (prime mover) and Antagonist
Synergist
Developed by
John Gallagher, MS, DVM
![Page 2: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/2.jpg)
Muscle Arrangements
![Page 3: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/3.jpg)
Some Nomenclature Aids
Location, e.g., intercostal
Shape, e.g. deltoid
Size, e.g., gluteus maximus
Direction of fibers, e.g., rectus, oblique
Location of origin and/or insertion, e.g.,
sternocleidomastoid
Number of origins, e.g., biceps brachii
Action (flexor, extensor, etc.)
Page 274
Superficial, big, important
![Page 4: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/4.jpg)
Superficial muscles
Fig 11-7 a and b
![Page 5: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/5.jpg)
The Head (and face)
orbicularis oculi
orbicularis oris
risorius
platysma
![Page 6: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/6.jpg)
Muscles of Mastication (chewing)
Masseter
Temporalis
Buccinator
![Page 7: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/7.jpg)
Tongue (glosso) and related muscles
Genioglossus
Inferior aspect of
tongue
Styloglossus
Hyoglossus
Genio- = chin
Glosso = tongue
![Page 8: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/8.jpg)
Eye (Ch 16)
•Rectus muscles:
•Medial and Lateral
•Superior and Inferior
• Oblique muscles
•Superior and Inferior
•Note the trochlea
•Levator palpebrae superioris
We’ll see these again, in Special Senses
Fig. 16-6
![Page 9: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/9.jpg)
The Neck
•Digastric
•Sternocleidomastoid (two
heads, or origins)
•Suprahyoid Group
•Infrahyoid Group
![Page 10: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/10.jpg)
The Spine
Trapezius
Deltoid
Supraspinatus
Infraspinatus
Latissimus dorsi
![Page 11: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/11.jpg)
More Spine
Flap for breast
reconstruction
1. Pectoantebrachialis
2. Pectoralis major
3. Pectoralis minor
4. Xiphihumeralis
5. External Oblique
6. Latissimus dorsi
7. Epitrochlearis
8. Clavobrachialis
![Page 12: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/12.jpg)
The Neck & Spine: For posture
•erector spinae
group:
•Longissimus
•Iliocostalis
•Spinalis
![Page 13: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/13.jpg)
Respiration
•Diaphragm
•Dome-shaped
•Contraction causes
inspiration
•Intercostals
•External - for
inspiration
•Internal – for
expiration
![Page 14: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/14.jpg)
The Abdominal Group
Abdominal wall:
•Rectus abdominis
•Tendinous intersections
(inscriptions, insertions)
•The “six pack”
•Int. and ext. obliques
•Transversus abdominis
•Linea alba
•Inguinal rings
![Page 15: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/15.jpg)
The Abdominal Group
![Page 16: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/16.jpg)
Pelvic Floor
•Pelvic Diaphragm
•Levator ani
•Coccygeus
•External Urethral
Sphincter
•External Anal
Sphincter
Fig 11-15
![Page 17: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/17.jpg)
Pelvic Floor, deep
![Page 18: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/18.jpg)
Pelvic Floor, superficial
![Page 19: Chapter11 musclespart1marieb](https://reader033.fdocuments.in/reader033/viewer/2022052901/556ba1c4d8b42a207e8b474a/html5/thumbnails/19.jpg)