D) Question 6 B. Increasine freauency of stimulation Using the Myogram above, what does line C represent? O Contractile period O Latent period O Summation Residual force O Tidal volume O Tetanus O Lag time Fatigue electromyography Relaxation period

Q: 5- Cardiac muscle is striated un branched O True False

A: Cardiac muscle is a striated muscle tissue that only exists in the heart and is important for the…

Q: Assuming that the mass (weight) of these three different muscles is the same, WHICH most power, for…

A: Understanding Muscle powerA vital component of human biomechanics, Muscular power generation is…

Q: During the cross-bridge cycle of muscle contraction, what is the role of troponin? it changes shape…

A: The biological cells possess three movement types. These are muscular, amoeboid, and ciliary. The…

Q: While running, we expect the amount of calcium outside the sarcoplastic reticulum, inside the muscle…

A: In this question asked about calcium level in muscle during running.  Detailed solution in step 2.

Q: condi

A: Cardiac muscles can be defined as the group of involuntary muscles present in the heart. These…

Q: 3. Cardio and smooth muscle types are involuntary. Skeletal muscle types are, A. Mandatory B.…

A: Muscles are of two types voluntary and involuntary muscles.

Q: Explain the source of signals detected by EMG electrodes. What is actually measured. Based on your…

A: EMG or electromyography is a type of diagnostic technique that is used to measure the muscle health…

Q: Treppe increases skeletal muscle contraction strength by:

A:

Q: Correctly order the steps of excitation contraction coupling for a muscle fiber. 1. 2. 3. 4. 5. 6.…

A: The contraction of a skeletal muscle fiber causes the sarcomere to get shortened linearly. These…

Q: List five proteins of the myofilaments

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Q: An extensor mechanism injury may be characterized by

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Q: what does wave summation & treppe occur whe

A: Wave summation- In rapid successions, the stimulus is applied before the relaxation phase of the…

Q: If the number of active cross bridges in skeletal muscle begins to decline although the rate of…

A: Option A: Fatigue

Q: An action potential travels down the 13. Ахon of the motor neuron until it reaches the presynaptic…

A: An action potential can be defined as a rapid increase and decrease in the membrane potential of the…

Q: Question 18 Analyze the image below. Explain what happens during muscle con- traction according to…

A: Introduction: Myofibrils consist of parallel bundles of protein microfilaments, known as…

Q: Put the steps for running an EMG to study fatigue in the correct order. At regular intervals,…

A: Inappropriate lifting methods may cause musculoskeletal diseases (MSDs), with overexertion being the…

Q: More than one answer may be correct.  Myogenic cells in smooth muscle   Question 9 options:   are…

A: Introduction :- Gap junctions are specialized structures in the cell membrane that allow the direct…

Q: Draw a labeled cardiac muscle action potential.

A: Introduction: A cardiac muscle action potential is a brief change in voltage across the cell…

Q: Cardiac muscle cells produce more force when they have already shortened to less A than half of…

A: Cardiac muscle is definitely taken into consideration certainly one of three kinds of vertebrate…

Q: What does calcium ion do in the excitation contraction coupling period? What step in the process…

A: Excitation contraction coupling It is defined as the mechanism that associates the plasma membrane…

Q: What is the approximate amplitude in mV of the twitch in recording B? Be careful and note the…

A: Introduction  The amplitude is typically calculated from peak to peak. A high-frequency response is…

Q: Match each substance with its role in muscle contraction.

A: Muscle contraction is a major phenomenon associated with the functioning of the myofibril occurring…

Q: Muscle contraction and cytokinesis both require motor proteins and microtubules. Select one: a.…

A: MOTOR PROTEINS AND MICROTUBULES IN MUSCLE CONTRACTION Skeletal muscle myosin, which produces the…

Q: 5. Is recruitment of muscle fibers synchronous or asynchronous? Why is it important? 6. What factors…

A: Muscle fibers are made up of structural and functional units, called sarcomeres.…

Q: When recording force generated by the abductor digiti minimi complete fused tetanus would best be…

A: The correct answer to this question is option C i.e. by increasing the frequency with which the…

Q: Motor neuron 4 Muscle fiber nucleus Myofibril of muscle fiber Figure 10.15. Details of the…

A: A neuromuscular junction is the region of chemical interaction between the axon terminal of neurons…

Q: Does not need to be a super indepth answer. Explain the concept of the following realated to…

A: Excitation–contraction coupling (ECC) is the physiological process in which a series of events…

Q: oxygen Fatigue faster and are best suited for activities requiring shorts bursts of power and energy…

A: Fast twitch muscles are optimized for  intense activities, such as: sprinting. powerlifting.…

Q: atent phase V [ Choose ] Active return of Ca2+ into SR Ca2+ released from SR Power stroke of…

A: Alpha motor neurons are the neurons which  innervate the skeletal muscle fibers. On entering a…

Q: Fill in the blank:  The P wave corresponds to depolarization of the muscle fibers of the…

A: A human heart is 4 chambered mascular organ. Its present inside chest and its similar to a fist in…

Q: Choose the correct answer: Myofibrillar protein content from total muscle protein is Select one: 5%…

A: Myofibrillar proteins include thick and thin filaments. Thick filament is mainly composed of myosin…

Q: I A. On the box provided, label the Skeletal A H Fred www hat enable them bun ster. M A. G.…

A: The cytoskeleton is a constantly changing structure of proteins which exists inside the cell and…

Q: Fasciculations of lower motor neuron lesions :-a- are caused by injury currents initiated in the…

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Q: Which of the following is true of cardiac muscle? O a. Cardiac cells are electrically connected via…

A: Muscular tissue consists of cells called muscle fibers that are specialized for contraction. Based…

Q: The EMG is a recording of: * The action potentials of the motor nerves supplying the muscle fibers.…

A: Introduction: Action potential is a short-lasting event in which the electrical membrane potential…

Q: Which of the following is NOT TRUE of the neuromuscular junction? O presynaptic calcium influx…

A: Calcium ions activate the exocytosis of the synaptic vesicle which contains neurotransmitters and it…

Q: 6. 7. 8. REVIEW ACTIVITIES Labeling Activity A. The figure below represents a single muscle twitch.…

A: The activation of tension-producing regions within muscle cells results in muscular contraction.…

Q: differentiate the dihydropyridine receptor from ryanodine receptor.

A: Di-hydropyridine receptor-