Skeletal Muscle Flashcards
Thousands of muscle fibers ranging in length about how many inches?
1.9 to 3.5 inches
What are the two basic types of muscle fibers?
Type one (slow twitch)
Type two (fast twitch)
The percentage of Type 1 and Type 2 muscle fibers in the body varies with what?
It varies with with each type of muscle and person
What is and example of a muscle with high percentage of Type 1 muscle fibers?
(Hint, torso)
AB’s
Genetics dictate the percentage of
Type 1 and type 2 fibers in muscle
_________ contributes only to gain the potential of a given muscle fiber
Training
An _____________ cannot alter the percentage of Type 1 and Type 2 muscle fibers he or she posses
Individual
True or False: Men are bigger and have more muscle fibers than women
True
Endurance Athletes have a higher percentage of what type of muscle fiber?
Type 1( slow twitch)
Power Athletes have a higher percentage of what type of muscle fiber?
Type 2 (fast twitch)
Primary movers of a joint are called the what?
Agonists
The body contains more than ___ skeletal muscle varying in what
600, size, shape, and use
The major purpose of skeletal muscle is to provide force to move what?
Joints
Muscles that assist the movement are called what?
Synergists
Muscles that oppose a movement is called a what?
Antagonists
