1. The Muscular System
PART A-C 37 slides
2 hours & 15 min

2. Ch6-A THE MUSCULAR SYSTEM
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
Ch 6-B
IV. BODY MOVEMENTS V. SPECIFIC MUSCLES VI. INJECTION
Rules Head & Neck SITES
Muscle Movements Trunk & Arm
Lower Limb

3. IV. Types of Body Movements A
IV. Types of Body Movements A. **Six Golden Rules of Skeletal Muscle Activity =
6. If the muscle is located anteriorly, a body part will be moved anteriorly at the joint crossed (visa versa).
Table 6.2

4. 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

5. c. Rotation
d. Circumduction

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

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

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

9. 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

10. *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

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

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

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

14. 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

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

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

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

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

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