2024-03-01T19:48:08+03:00[Europe/Moscow] en true <p><strong>_____-_______ _________ ________ __________ _______</strong></p><p></p><p>_________________________</p><p></p><p>______________________</p><p></p><p>Oxidative enzymes</p><p></p><p>___ ___________ __________ and motor unit strength&nbsp;</p><p></p><p>_________ __________ ________ and myosin ATPase</p><p>Small ________ ________ ________</p><p>_____sarcoplasmic reticulum development</p>, <p><strong>_____-_______ ________ ____ _____ ___________ ________</strong></p><p></p><p>__________ _________ _________</p><p></p><p>____________ __________ __________</p><p></p><p>____________ ___ __________ ________</p><p></p><p>________ __________ ____________ and motor unit strength</p><p></p><p>_____ _______________ _______ and myosin ATPase</p><p></p><p>______ sarcoplasmic reticulum development</p><p></p>, <p><strong>_____-_____ _______ ___ ___ __________ ______</strong></p><p></p><p>_________ __________ _________ </p><p></p><p>____ ______ __________</p><p></p><p>__________ ___________</p><p></p><p>________ ___________ _________ and motor unit strength&nbsp;</p><p></p><p>________ _________ __________ and myosin ATPase</p><p></p><p>____ sarcoplasmic reticulum development</p><p></p> flashcards
chapter 5 exercise physiology

chapter 5 exercise physiology

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  • _____-_______ _________ ________ __________ _______

    _________________________

    ______________________

    Oxidative enzymes

    ___ ___________ __________ and motor unit strength 

    _________ __________ ________ and myosin ATPase

    Small ________ ________ ________

    _____sarcoplasmic reticulum development

    Slow-twitch Type 1 slow oxidative fibers

    high aerobic capacity

    high fatigue resistance

    oxidative enzymes

    Low anaerobic capacity

    slow contractile speed

    motor neuron size 

    low

  • _____-_______ ________ ____ _____ ___________ ________

    __________ _________ _________

    ____________ __________ __________

    ____________ ___ __________ ________

    ________ __________ ____________ and motor unit strength

    _____ _______________ _______ and myosin ATPase

    ______ sarcoplasmic reticulum development

    Fast-twitch Type IIa fast oxidative glycolytic fibers

    moderate aerobic capacity

    moderate fatigue resistance

    glycolytic and oxidative enzymes

    high anaerobic capacity

    fast contractile speed

    high

  • _____-_____ _______ ___ ___ __________ ______

    _________ __________ _________

    ____ ______ __________

    __________ ___________

    ________ ___________ _________ and motor unit strength 

    ________ _________ __________ and myosin ATPase

    ____ sarcoplasmic reticulum development

    fast-twitch type 2x fast glycolytic fibers

    lowest aerobic capacity

    low fatigue resistance

    glycolytic enzymes

    highest anaerobic capacity

    fast contractile speed

    high

  • force is developed while the muscle is shortening

    force is developed while the muscle is shortening

  • force is generated but the length of the muscle is unchanged

    force is generated but the length of the muscle is unchanged

  • force is generated while the muscle is lengthening

    force is generated while the muscle is lengthening

  • bonetendonmuscleepimysiumendomysium perimysium fasciculusmuscle fibermyofibril

    bone

    tendon

    muscle

    epimysium

    endomysium

    perimysium

    fasciculus

    muscle fiber

    myofibril

  • sarcolemmatransverse tubules sarcoplasmic reticulum myofibrilsarcoplasm

    sarcolemma

    transverse tubules

    sarcoplasmic reticulum

    myofibril

    sarcoplasm

  • sarcomeres

    sarcomeres

  • one alpha motor neuron innervates many muscle fibers

    one alpha motor neuron innervates many muscle fibers

  • the pulling of the actin filament past the myosin results in muscle shortening and the generation of muscle force

    the pulling of the actin filament past the myosin results in muscle shortening and the generation of muscle force

  • myosin headATPasepowerstroke

    myosin head

    ATPase

    powerstroke

  • calcium must be pumped back into the SR

    calcium must be pumped back into the SR

  • type 1 -&gt; type IIa -&gt; type IIx

    type 1 -> type IIa -> type IIx

  • motor units activatedtype of motor unitsmuscle size

    motor units activated

    type of motor units

    muscle size

  • muscle twitchsummationtetanus

    muscle twitch

    summation

    tetanus