MUSCLE LECTURE OUTLINE
I.
Functions of the muscular
system
A.
Movement
B.
Heat Production
C.
Stabilization
(Maintenance of body posture)
A.
Origin
B.
Insertion
C.
Belly
D.
Connective tissues
1. Epimysium
2. Perimysium
3. Endomysium
III.
Anatomy of a muscle fiber
A.
Sarcolemma
B.
Myofibrils
C.
Sarcoplasmic reticulum
D.
T-tubules
E.
Myofilaments
1.
Thin myofilaments (actin)
2.
Thick myofilaments
(myosin)
3.
Elastic
myofilaments
(titin)
IV.
Anatomy of a sarcomere
A.
A band
B.
I band
C.
H band
D.
M line
V.
Sliding Filament Theory
of muscle contraction.
A.
Sarcomeres shorten
forcefully
B.
Cross bridge formation
C.
Calcium ion flux
VI.
Muscle behavior
A.
Muscle twitch
B.
All-or-none response
C.
Motor unit
D.
Summation
E.
Treppe
VII.
Muscle cell respiration
A.
Aerobic
B.
Anaerobic
C.
Muscle fiber types
1.
Type I: Slow twitch
2.
Type IIa: Intermediae
twitch
3.
Type Iib: Fast twitch
D.
Muscle fatigue
VIII.
Muscle response to
exercise
A.
Endurance training
B.
Strength training
IX. Muscle arrangement
A. Agonists
B.
Antagonists
C.
Synergists
D.
Fixators
A.
Parallel fibered
B.
Convergent fibered
C.
Sphincteral
D.
Pennate
1.
Unipennate
2.
Bipennate
3.
Multipennate
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