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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| The ability to recoil to their original resting length after they have been stretched. | show 🗑
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| Four Major Functional Characteristics | show 🗑
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| show | Epimysium
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| Is another connective tissue located outside the epimysium that surrounds and separates muscles. | show 🗑
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| show | Perimysium
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| The fasciculi are composed of single muscle cells called _______ | show 🗑
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| show | Endomysium
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| The cytoplasm of each fiber is filled with ______ | show 🗑
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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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| Actin and myosin myofilaments form highly ordered units called _______ | show 🗑
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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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| show | Synaptic Cleft
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| show | Presynaptic Terminal
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| show | Synaptic Vesicles
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| Synaptic vesicles secrete a neurotransmitter called _______ | show 🗑
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| show | Acetylcholinesterase
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| The sliding of actin myofilaments past myosin myofilaments during contraction is called_______ | show 🗑
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| show | Muscle Twitch
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| A muscle fiber will not respond to stimulus until that stimulus reaches a level called______ | show 🗑
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| show | All or None Response
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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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| The time of contraction is the | show 🗑
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| The time during which the muscle relaxes is | show 🗑
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| show | Tetany
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| show | Recruitment
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| Needed for energy for muscle contraction | show 🗑
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| show | Creatine Phosphate
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| Without oxygen | show 🗑
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| With oxygen | show 🗑
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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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| show | Isotonic
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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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| show | Insertion
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| show | Belly
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| Muscle that work together to accomplish specific movements are called______ | show 🗑
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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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| show | Depressor Anguli Oris
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| show | Platysma
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| Chewing | show 🗑
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| Moves the tongue. | show 🗑
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| show | Intrinsic
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| show | Erector Spirae
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| Sneering | show 🗑
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| 2 Characteristic of cardiac muscle. | show 🗑
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| show | Not Strated, No Nucleus
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| 2 Types of tongue muscles. | show 🗑
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| A muscle fiber is surrounded by the _________ | show 🗑
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| show | Aerobic Respiration
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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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| Occurs in the absence of oxygen. | show 🗑
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| Two types of fibers? | show 🗑
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| Two types of muscle contractions? | show 🗑
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| show | Creatine Phosphate
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| Extends from on Z line to the next. | show 🗑
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| How are muscle named. | show 🗑
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| show | Forarm
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| Extend from one end of the muscle fiber to the other. | show 🗑
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