1. The Muscular System

2. THE MUSCULAR SYSTEM-- ppt AB
I. OVERVIEW II. MUSCLE ANATOMY III. MUSCLE PHYSIOLOGY Types Muscles Gross Overview Tissue Review Microscopic Contraction Details Functions Nervous System Whole Muscle Cell Characteristics Energy for Contract. Muscle Tone Types of Contraction Effect of Exercise IV. BODY MOVEMENTS V. SPECIFIC MUSCLES VI. INJECTION Rules Head & Neck SITES Muscle Movements Trunk & Arm Lower Limb
ppt C

3. IV. Types of Body Movements A
IV. Types of Body Movements A. **Six Golden Rules of Skeletal Muscle Activity =
Table 6.2

4. A. Five Golden Rules of Skeletal Muscle Activity …
6. Antagonist & Synergistic Muscles
EXAMPLE: Biceps Brachii & Brachialis
Example: Triceps Brachii
Elbow Joint
Figure 6.12

5. B. Muscle Movements, Types, & Names - Depend on the Mobility of the Specific Joint
Types of Body Movements
Often in pairs for opposite movement
a. *Flexion
b. Extension
Opposite of flexion
Hyperextension

6. c. *Rotation
d. *Circumduction

7. Types of Body Movements …
e. *Abduction:
f. Adduction:

8. g. Special Movements i) Dorsiflexion = Flexion ii) Plantar flexion
= Extension & Hyperextension

9. V. Gross Anatomy of Skeletal Muscles– Specific Muscles
Figure 6.21

10. A. Head and Neck Muscles 1. Chewing muscles a. *Masseter
Description/location
Action
Insertion/Origin Bones
b. *Temporalis—
Description/Location
2. Neck
Sternocleidomastoid
Insertion/Origin

11. *Description/Location Action: moves Rib Cage to change
B. Trunk & Arm Muscles
Breathing Muscles
Intercostal muscles
*Description/Location
Action: moves Rib Cage to change
width of Thoracic Cavity
b. Diaphragm
Description/Location: bottom boundary of Thoracic C
Action: Changes vertical length of Thoracic Cavity
Intercostals
NOT IN BOOK
Intercostal muscles
Diaphragm

12. 2. Muscles that move the Vertebral Column
a. Abdominal girdle– 4 layers
Description:
Action:
b. Erector Spinae
Description/Location

13. 3. Muscles that move the Brachium
*Latissimus Dorsi
Description & Location
Action
b. *Deltoid
Description/Location
Insertion/Origin:
c. Pectoralis major

14. 4. Muscles that move the Antebrachium
a. Biceps brachii
Description/Location
Action
Origin: ___
Insertion: ___
b. *Triceps brachii
Antagonist to ___

15. C. Muscles that move the Lower Limb
1. Muscles that move the Thigh
a. *Gluteus maximus:
Description/Location
Action
b. Iliopsoas
Description/ Location
c. Gluteal medius
d. Adductor muscles:
Gluteus medius
Iliopsoas
Adductors

16. 2. Muscles causing movement at the knee joint
a. Hamstring group: 3
Description/Location
Action
Origin: posterior femur
Insertion: posterior tibia

17. b) Muscles causing movement at the knee joint …
b. Quadriceps group-- 4
Description/Location
Action
Origin: anterior femur
Insertion: anterior tibia

18. 3. Muscles causing movement at ankle
a. Tibialis Anterior
Description/Location
Action
b. *Gastrocnemius

19. VI. Intramuscular Injection Sites
Shoulder
Upper/Lateral Buttock
Lateral Thigh
Figure 6.18, 6.19b, d

20. THE MUSCULAR SYSTEM-- ppt AB
I. OVERVIEW II. MUSCLE ANATOMY III. MUSCLE PHYSIOLOGY Types Muscles Gross Overview Tissue Review Microscopic Contraction Details Functions Nervous System Whole Muscle Cell Characteristics Energy for Contract. Muscle Tone Types of Contraction Effect of Exercise IV. BODY MOVEMENTS V. SPECIFIC MUSCLES VI. INJECTION Rules Head & Neck SITES Muscle Movements Trunk & Arm Lower Limb
ppt C

21. END OF POWER POINT

22. Figure 10.11a Muscles of respiration.
External
intercostal
Internal
intercostal
© 2013 Pearson Education, Inc.

23. © 2013 Pearson Education, Inc.
Figure 10.10d Muscles of the neck and vertebral column that move the head and trunk.
Ligamentum
nuchae
Mastoid process
of temporal bone
Semispinalis
capitis
Longissimus capitis
Semispinalis
cervicis
Iliocostalis cervicis
Longissimus cervicis
Semispinalis
thoracis
Iliocostalis thoracis
Longissimus thoracis
Spinalis thoracis
Iliocostalis
Erector
spinae
Longissimus
Spinalis
Multifidus
Iliocostalis
lumborum
Quadratus
lumborum
External oblique
© 2013 Pearson Education, Inc.