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Muscle System
Anatomy & Physiology - The Mucle System
29
Anatomy
Undergraduate 2
11/05/2011

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Cards

Term
Name the three types of Muscles
Definition
Skeletal, Cardiac, Smooth
Term
What two muscles are called muscle fibers?
Definition
Skeletal and Smooth
Term
Sarcolemma
Definition
Muscle plasma membrane
Term
Sarcoplasm
Definition
cytoplasm of a muscle cell
Term
Prefixes associated with muscles
Definition
myo, mys, sarco
Term
Excitability or Irritability
Definition
the ability to receive and respond to stimuli
Term
Contractility
Definition
the ability to shorten forcibly
Term
Extensibility
Definition
the ability to be stretched or extended
Term
What is the function of the skeletal Muscle
Definition
locomotion
Term
Function of Cardiac Muscle
Definition
Coursing the blood through the body
Term
Function of Smooth Muscle
Definition
helps maintain blood pressure, and propels substances through the body
Term
Prime Movers
Definition
Provide Major force for producing specific movement
Term
Antagonists
Definition
oppose or reverse a particular movement
Term
Synergists
Definition
Add force to a movement
Term
Fixators
Definition
Synergists that immobilizes a bone or muscle's origin
Term
Rectus fibers
Definition
fibers that runs straight
Term
Transversus and Oblique
Definition
fibers that runs at angles to an imaginery defined axis
Term
First Class Lever
Definition
the fulcrum is between the load and the effort
Term
Second Class Lever
Definition
the load is between the fulcrum and the effort
Term
Third Class lever
Definition
the effort is applied between the fulcrum and the load
Term
Muscles involved in mastication
Definition
Temporalis, Masseter, Pterygoids and Buccinators
Term
What % of women's body mass is made up of their skeletal muscle
Definition
36%
Term
What % of men's body mass is made up of their skeletal muscle
Definition
42%
Term
In action Potential, the extracelluler face is ________ while the inside face is ___________.
Definition
positive and negative
Term
The predominant extracellular ion is
Definition
Na+
Term
The predominant intracellular ion is
Definition
K+
Term
Epimycium
Definition
formed by a membrane of dense irregular connective tissue that surrounds the whole muscle
Term
Perimycium and fascicles
Definition
within each skeletal muscle the muscle fibers are grouped into fascicles; surrounding each fascicle is a layer or fibrous connective tissue called perimycium.
Term
Endomysium
Definition
each individual muscle fiber is surrounded by a fine sheath of connective tissue consisting of fine areolar tissue.
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