Total Muscle Tension
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What 2 factors affect Total Muscle Tension? | 1. number of CONTRACTING Fibers; 2. TENSION per Fiber
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| What is the definition of Recruitment? | VOLUNTARY increasing the number of ACTIVE Motor Units as necessary
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| Which Motor Units are "Recruited" first? | smaller, SLOW-Oxidative units
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| What is the number of contracting Fibers determined by? | 1. NUMBER of Fibers per Motor Unit; 2. number of ACTIVE Motor Units
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| What is the tension per Fiber determined by? | 1. PROTEIN Content of Actin/Myosin; 2. DURATION of Activity; 3. FREQUENCY of Motor AP's; 4. Muscle Fiber LENGTH
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| What factor determine the control of Muscle Tension? | SIZE and NUMBER of Motor Units
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| What are the 2 types of Muscle Tension Control? | Course control, Fine, Delicate control
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| What determines Course Control and where is it located? | FEW Motor Units with MANY Cells/unit - Legs, Back
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| What determines Fine Control and where is it located? | MANY Motor Units with FEW Cells/unit - Fingers, Hand, Tongue
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| What is meant by Total Tension? | Lifting Power
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Created by:
Kristel
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