18) Which of the following is NOT correct statement regarding muscle fatigue? A) Gradual increase in effort required to maintain a constant submaximal task B) There are two types of muscle fatigues, peripheral fatigue and central fatigue C) Force declines sooner & to a greater extent than velocity D) Slow oxidative muscles are less resistant to fatigue than fast glycolytic muscles

Q: What are the physiological causes of muscle fatigue?

A: Muscle fatigue is a common occurrence during or after exercise. It refers to the decrease in a…

Q: Which of the following assessment tests are generally used to evaluate muscular strength and…

A: Understanding muscular strength and endurance is essential as it helps to give an idea of how a…

Q: Give one example of a muscle that is responsible for the movement of the following:   a.) Upper arm…

A: Muscles are examples of soft tissues. Your muscles are made up of several flexible fibres. Your body…

Q: The increase in muscle force that is thought to be due to neural changes with a strength training…

A: Muscles These are soft tissues made up of many stretchy fibers. There are more than 600 muscles in…

Q: Hill's equation gives a relation between muscle contraction rates νν and muscle tension TT…

A: We have to rewrite the equation in a form to show that T is dependent on v including T0, alpha and…

Q: Identify the nature and physiological significance of the series-elastic component of muscle…

A: The muscle fibers are surrounded by a membrane called sarcolemma. There are two types of myofibrils…

Q: Explain the following two statements: Muscles can only actively contract; muscle fibers lengthen…

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Q: How can I describe skeletal muscle contraction using the words "upper motor neuron" and "lower motor…

A: Skeletal muscles represent one of the three types of muscles including smooth muscle and cardiac…

Q: What are the four main patterns of skeletal muscle fiberorganization?

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Q: What happened to the number of fibers contracting as you increased the voltage? b) In light of the…

A: In physiology if a isolated muscle fibre /motor neuron is stimulated, it will consistently offers a…

Q: describe the events that lead to muscle contraction starting at the level of the neuromuscular…

A: Muscle contraction occurs when these are initiated by a nerve signal. This is triggered by…

Q: During a maximal attempt, one may experience a burning sensation within the muscles being assessed.…

A: The burning sensation experienced during maximal efforts is often associated with fatigue and while…

Q: The figure seen here represents which type of muscle fiber? a.) Type IIx- very fast, fatigable b.)…

A: The muscle fibers are multi-nucleated (exclusively in the case of skeletal muscle fibers),…

Q: What is the physiologic basis of muscle fatigue?

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Q: What is the difference between a single cross-bridge power stroke and a single twitch of a skeletal…

A: An action potential is formulated as an immediate, fast, transitory, and producing modification of…

Q: How would you design a strength training program at your current stage of life, age 57,  and more…

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Q: To demonstrate muscle fatigue, a student held an 8 lb dumbbell in her hand and abducted her arm…

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Q: Which type of contraction develops more muscle tension: isotonic or isometric?

A: Muscles are the tissues that can change their length and cause movement of the body parts.

Q: List the three typical stages of a muscle twitch, as seen in amyogram.

A: Myogram is a graphic representation of the phenomena of muscular contractions.

Q: Identify three processes in a muscle twitch that require ATP?

A: When one muscle fiber contracts in response to a command (stimulus) from the nervous system, it is…

Q: Describe how each of the following factors influences motor unit recruitment: a) Increasing…

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Q: uscle action, which of the following represents the correct sequence of events? 1. Action potential…

A: The correct Answer is B  That is 1-5-2-3-4

Q: What effect does increasing the frequency of action potentials in askeletal muscle fiber have upon…

A: With alternative arrangements of light and dark band, skeletal muscles are striated muscles. They…

Q: a) Describe how the isolated muscle behaved as the stimulus interval was further decreased. b) What…

A: The muscle contraction occurs when the stimulus that is applied is above the threshold. This sends…

Q: What factors determine the duration of an isotonic twitch in skeletal muscle? An isometric twitch?

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Q: Identify the primary changes that occur in skeletal muscle fibers in response to resistance…

A: Resistance training induces 2 specific changes within the skeletal muscle that contribute to a rise…

Q: Doing lots of pushups would be good for strengthening this muscle: A) SartoriusB) HamstringC)…

A: A variety of body movement is provided by the skeletal muscle and joints. The movement of each…

Q: What is the main active muscle group across the (i) right knee joint and (ii) right ankle joint…

A: INTRODUCTION Muscles are group of muscle fiber they can contract and relax and they produce force.…

Q: 8. Which muscle fiber type is always recruited first? A)Type IIa B)Type IIb C)Type I or type IIa,…

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Q: The following are the basic steps of a muscle contraction:               I.  Neurotransmitters bind…

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Q: What are the different types of summation by which the strength of muscle contraction can be…

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Q: What is muscle fatigue? How could you delay the fatigue of a muscle?

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Q: Distinguish between concentric, isometric and eccentric contractions, the physiology of the…

A: Through the cycling of actin and myosin cross-bridges, a muscle fibre produces tension. The muscle…

Q: Individual motor units can vary based on which of the following? (SELECT ALL THAT APPLY) a.) The…

A: Motor units It consists of a motor neuron and every skeletal muscle fiber that the neuron's axon…

Q: Identify the significance of the following molecules/substances in muscle contraction.…

A: Introduction: The motor nerve cells send signals to muscle fibers at the neuromuscular junction. It…

Q: late these conditions to the normal contraction of muscle fibers. Identify the ultimate effect on…

A: Thick filaments and thin filaments constituted by myosin and actin respectively slide past each…

Q: Which of the following can respond to increased stimulation with a graded response: a) motoraxon…

A:

Q: The greater the number of _________  involved in a motor unit, the ________ the degree of fine…

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Q: Describe the structural relationships among the following in aresting skeletal muscle fiber: A band,…

A: A sarcomere is defined as the segment between two neighbouring Z - lines . In electron micrographs…

Q: What would happen without input from gamma motor neurons? A) Information about velocity would…

A: Intrafusal fibers are specialized muscle fibers. They are found in the muscle spindles. Muscle…

Q: Which of the following is thought to be cause of  muscular fatigue? Decrease level of lactate…

A: Muscle fatigue is the decrease in capacity of a muscle to create power. It very well may be a…

Q: What are the physiological mechanisms of muscle fatigue?

A: Muscle fatigue generally occurs during intense exercise. It occurs due to the accumulation of lactic…