75 Muscles Flash Cards
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| The ability of skeletal muscle to shorten with force. | show 🗑
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| show | Excitability
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| show | Extensibility
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| show | Elasticity
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| Four Major Functional Characteristics | show 🗑
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| A connective tissue sheath that surrounds the skeletal muscle. | show 🗑
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| show | Fascia
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| show | Perimysium
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| show | Fibers
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| show | Endomysium
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| show | Myofibrils
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| Myofibrils consist of 2 major kinds of protein fibers | show 🗑
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| show | Actin Myofilaments
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| Thick myofilaments that resemble bundles of minute golf | show 🗑
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| show | Sarcomeres
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| The charge difference across the membrane. | show 🗑
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| The briefly reversal back of charge is called _______ | show 🗑
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| show | Motor Neurons
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| A branch that connects to the muscle. | show 🗑
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| A single motor neuron and all the skeletal muscle fibers it innervates are called _______ | show 🗑
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| The space between the presynaptic terminal and muscle cell is the _________ | show 🗑
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| Enlarged nerve terminal. | show 🗑
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| Each presynaptic terminal contains | show 🗑
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| show | Acetylcholine
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| show | Acetylcholinesterase
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| show | Sliding Filament Mechanism
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| A contraction of an entire muscle in response to a stimulus that caused the action potential in one or more muscle fibers. | show 🗑
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| show | Threshold
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| The muscle fiber contract maximally. | show 🗑
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| The time between application of a stimulus to a motor neuron and the beginning of a contraction is | show 🗑
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| show | Contraction Phase
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| The time during which the muscle relaxes is | show 🗑
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| show | Tetany
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| The increase in number of motor units being activated is called______ | show 🗑
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| show | ATP
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| show | Creatine Phosphate
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| Without oxygen | show 🗑
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| show | Aerobic Respiration
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| The amount of oxygen needed in chemical reactions to convert lactic acid to glucose and to replenish the depleted stores in muscle cells. | show 🗑
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| When ATP is used during muscle contraction faster than it can be produced in the muscle cells. | show 🗑
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| show | Isometric
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| Equal tension | show 🗑
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| Constant tension produced by muscles of the body for long periods of time. | show 🗑
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| show | Fast Twitch Fibers
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| show | Slow Twitch Fibers
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| show | Origin
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| The end of the muscle undergoing the greatest movement. | show 🗑
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| show | Belly
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| show | Synergists
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| Muscles that work in opposition to one another are called______ | show 🗑
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| Raises the eyebrows | show 🗑
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| Closes the eyelids, causes crowfeet. | show 🗑
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| Frowning | show 🗑
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| Pulls corners of lips downward. | show 🗑
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| show | Masfication
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| Moves the tongue. | show 🗑
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| show | Intrinsic
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| Along each side of the vertebral column Resp. for keeping the back erect. | show 🗑
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| show | Levator Labii Superioris
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| show | Involentary, Not Striated
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| show | Not Strated, No Nucleus
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| 2 Types of tongue muscles. | show 🗑
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| show | Endomysium
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| This occurs in the presence of oxygen. | show 🗑
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| An anterior thigh muscle that exteneds the leg is the_______ | show 🗑
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| The muscle responsible for elevating the ribs during inspiration is ____________ | show 🗑
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| show | Synergists and Antagonists
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| show | Anaerobic Respiation
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| Two types of fibers? | show 🗑
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| Two types of muscle contractions? | show 🗑
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| A high-energy molecule that can be quickly used to produce ATP. | show 🗑
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| show | Sarcomere
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| show | Location, Function
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| Flexor carpi is located in the _______ | show 🗑
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| Extend from one end of the muscle fiber to the other. | show 🗑
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