• Single Stimulus Physio Lab 8
    ? 100 mm 4. The graph shows a dip at muscle length = 90 mm. Why is this? 5. What is the key variable in an isometric contraction? Activity 9: Isotonic Contractions 1. How much time does it take for the muscle to generate 0.5 grams of force? 3.77 msec 2. At what...
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  • Physio Ex 8.0 Exercise 2: Skeletal Muscle Physiology Worksheet
    mm 4. The graph shows a dip at muscle length = 90 mm. Why is this?M oving from active force to passive force. 5. What is the key variable in an isometric contraction?Length Activity 9: Isotonic Contractions 1. How much time does it take for the muscle to generate 0.5 grams of force...
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  • Review Sheet Skeletal Muscles
    muscle cell's ATP is used up faster than it's produced. 7. If you were lifting a dumbbell, would your muscles be contracting isometrically or isotonically? isometrically 8. What is the key variable in an isometric contraction? muscle length 9. Define the term maximal stimulus. the stimulus...
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  • Anatomy 1 Lab
    graph, at what muscle length does passive force begin to play a role in the total force generated by the muscle? 80 mm 4. The graph shows a dip at muscle length = 90 mm. Why is this? Most active force is generated at the length of 80mm 5. What is the key variable in an isometric...
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  • Que Que Que
    happens to force production over time? increase 28. If an individual was lifting a dumbbell, would the muscles be contracting isometrically or isotonically? Why? Isomectric cause you are building muscle tone. 29. What is the key variable in an isometric contraction? Force/tension 30. What...
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  • Skeletal Muscle Physiology Physioex Exercise 2
    role in the total force generated by the muscle? ____80____ mm 9. Click Tools → Print Data to print your data. The graph shows a dip at muscle length _90 mm. Why is this? The active force was decreasing while the passive force was increasing. What is the key variable in an isometric...
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  • Ergonomics
    1. EXECUTIVE SUMMARY The aim of this study is to investigate the isometric strength or MVC (maximum voluntary contraction) by measuring grip strength, arm strength, leg strength, torso strength and key pinch strength. So that each participant’s strength percentile values in the population...
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  • Physioex 2: Skeletal Muscle Physiology
    exercise routine, which would create endurance and thus lessens fatigue. Also, allowing for rest between sets can decrease fatigue. Activity 6 1. The starting resting length affected the total force during the simulated twitch. This is what I had predicted. 2. The key variable is length, as...
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  • Pdf - Physioex E2A6
    resting length. 07/08/13 page 9 Review Sheet Results 1. What happens to the amount of total force the muscle generates during the stimulated twitch? How well did the results compare with your prediction? You did not answer this question. 2. What is the key variable in an isometric contraction of...
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  • Strength Training
    outweigh the benefits of variable resistance devices. Static Resistance Devices Static contraction devices are rarely used. These are devices in which a person pulls or pushes against an immovable apparatus for isometric exercises. Isometric contraction is not practical for most sports or for...
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  • Mrs Peterkin
    stimulated twitch? How well did the results compare with your prediction? _ 2. What is the key variable in an isometric contraction of a skeletal muscle? ___ 3. Based on the unique arrangement of myosin and actin in skeletal muscle sarcomeres, explain why active force varies with changes in the muscle’s...
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  • Physiolab 9.0 Exercise 2
    compare with your prediction? Total force is altered by the starting resting length 2. What is the key variable in an isometric contraction of a skeletal muscle? 3. Based on the unique arrangement of myosin and actin in skeletal muscle sarcomeres, explain why active force varies with changes...
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  • Physioex Unit 1 Flash Cards
    neuron to neuron. What is the effect of ether on eliciting an AP?: no nerve response What is the effect of lidocaine on eliciting an AP?: Blocks sodium ion channels from opening, inhibiting AP. What is the equation for Fick's First Law of Diffusion?: J = -DA△c/△x What is the key variable in an...
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  • Exercise 2: Skeletal Muscle Physiology Review Sheet
    . If the muscle is lengthened the passive force increases, and if the muscle is shortened the active force increases. With each force (a&p) the total force is changed depending on the amount of either A or P forces. 2. What is the key variable in an...
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  • week 2 ilab powerphys
    frequency of sEMG spikes. 2. Independent Variable muscle movement. 3. Controlled Variables total number of motor units present in muscle, muscle load. Recruitment during isometric contractions 1. Dependent Variable amplitude and frequency of sEMG spikes. 2. Independent Variable muscle...
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  • Physio Ex Exercise
    force generated by the muscle? 80 mm 4.The graph shows a dip at muscle length = 90 mm. Why is this? 5.What is the key variable in an isometric contraction? Total Force Activity 9: Isotonic Contractions 1.How much time does it take for the muscle to generate 0.5 grams of force? 3.77 msec 2...
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  • anatomy
    active force when it is stimulated. -The results match my prediction. 2. What is the key variable in an isometric contraction of a skeletal muscle? –“Same length” 3. based on the unique arrangement of myosin and actin in skeletal muscle sarcomeres, explain why active force varies with changes...
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  • Strength and Proprioception in Rehabilitation
    simple grade I ankle sprain, rehabilitation is the key to getting these athletes back to the playing field. As an athletic trainer, these athletes will be relying and trusting in me to get them back to their full potential in a timely manner. Because the rehabilitation process involves many...
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  • Isometrics
    Isometric Exercises & Static Strength Training | Isometric exercises, also known as static strength training, involve muscular actions in which the length of the muscle does not change and there is no visible movement at the joint (1). The term 'static contraction training' is sometimes...
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  • Muscle Lab
    from the in vivo stimulation via the nervous system. (Note that the graded muscle response following both stimulation methods is similar.) 4. What are the two experimental ways in which mode of stimulation can affect the muscle force? Explain your answer. Isometric Contraction 5. Identify...
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