Which of the following does NOT describe treppe? It is also referred to as the "staircase" effect. An increase in stimulus intensity is required to see the effect. An incremental increase in force occurs. A period of relaxation can be seen on the muscle twitch tracing.

Q: Note the color of each three types of muscle fiber: slow twitch, fast twitch oxidative and fast…

A: Slow twitch muscle fibers:  Resistant to fatigue  For sustained,smaller movements and control of…

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: Which of the following factors can contribute to a contracted muscle returning to its resting…

A: Step 1 Muscles show three unique properties- contractibility, excitability, and conductivity. Muscle…

Q: You are working with a patient who has limitations in ankle dorsiflexion. You determine this is a…

A: In the 1940s, PNF (Proprioceptive neuromuscular facilitation) was developed by Dr. Herman Kabat for…

Q: The higher the frequency of action potentials, the higher amount of force produced in a muscle.…

A: An action potential is a change in the membrane potential of the neuron. This is caused due to…

Q: What is the first and most direct energy source for muscle con￾traction? a. glucose b. ATP c.…

A: Answer- The muscle contraction is the crutial step in the movement and locomotion.

Q: The force of muscle contraction may be altered by increasing/decreasing the stimulus interval…

A: Muscle Contraction: It is the activation of tension-generating sites within muscle cells.

Q: Describe how muscle contraction can resist movement rather than cause movement

A: Muscle contractions allow movements mainly the most common function of muscles. The contractions of…

Q: Compare the force produced by a muscle over timewhen it is stimulated by a single twitch stimulus…

A: Muscle strength formation refers to the mechanism in which the skeletal muscle transforms metabolic…

Q: Describe the role of both ATP and calcium ions in muscle contraction.

A: Muscle contraction can be described as a process triggered by an action potential transported…

Q: List the stages of a muscle twitch and explain what is occurring in each stage.

A: Muscle twitch occurs as a result of the contraction of one muscle fiber in response to a nervous…

Q: How does speed of muscle action affect the following relationships; force-velocity and force-power?

A: Muscle action : There are three types of muscle contractions i.e. concentric, isometric and…

Q: Part C Which of the following does NOT describe treppe? It is also referred to as the "staircase"…

A: Treppe can be defined as the series of increasingly vigorous contractions that results from the…

Q: The motor end plate is _ a folded area of muscle cell membrane a specialized protein on the…

A: Motor end plate  It a special type of synapse where motor axon touches to a targeted muscle cell.

Q: Which of the following does NOT contribute to muscle fatigue? A. K+ accumulation B. ADP and…

A: Introduction Muscle fatigue is a condition in which muscles loses the ability to perform overtime.…

Q: Number 5 in Graph B represents iand is the result of i The statement above is best completed by the…

A: Need to find what the label 5 represents in the graph given.

Q: After a period of vigorous activity what happens to the blood leaving the muscle

A: During exercise,  muscles need constant energy to contract and relax. So the body responds by…

Q: Describe the sequence of events that occurs when an action potential arrives at a muscle fiber’s…

A: When the action potential arrives at the end of motor neurons, it excites the skeletal muscles to…

Q: In an isometric contraction the muscle develops tension but does not - exhibit elasticity does not…

A: * there are three types of muscle contractions present  are:  Concentric  Eccentric Isometric…

Q: Any stimulus above a maximal stimulus will elicit

A: Any stimulus above a maximal stimulus will elicit the same maximal response. Therefore, OPTION 4 -…

Q: Which of the following factors can help to increase contractile force? small load large muscle…

A: Introduction Muscle contraction is defined as the tightening, shortening, or lengthening of muscles…

Q: During which phase of a twitch in a muscle fiber istension the greatest?a. resting phaseb.…

A: The phenomenon of lifting or moving an object (load) involves the sarcomeres present in the muscle…

Q: Which among the four choices below is NOT a typically way to measure muscle strength? Maximum force…

A: The maximum force a muscle or a muscle group may exert during a contraction is known as muscular…

Q: Briefly explain the steps involved in a single muscle contraction beginning at the neuromuscular…

A: Muscles are tissues that can contract and expand. The muscles can be grouped into three types based…

Q: explain muscle contraction in several distinct steps starting the release of acetylcholine junction

A: Muscle contraction occurs when the tension generating regions are activated within the muscle…

Q: explain why the force of a muscle contraction dependson the muscle’s length prior to stimulation.

A: The length-tension relationship of our human muscle states that specifically, the isometric tension…

Q: Put the following events of excitation-contraction coupling in the order in which they occur. 1.…

A: The term excitation-contraction coupling (ECC), first coined by Alecxander sandow in 1952, describes…

Q: Which of these events occurs during the team phase, just when a muscle has been stimulated? a) Ca2…

A: Muscle stimulation The muscle contraction is stimulated by the action potential that traveled along…

Q: This is a feature of slow-twitch (type I/red) fibers: low in myoglobin fast response low in glycogen…

A: Slow-twitch muscle fibers are fatigue resistant, and focused on sustained, smaller movement and…

Q: ATP is needed during which of the following phases of a muscle twitch? relaxation period latent…

A: A muscle twitch is an uncontrollable contraction of the muscle fibres. Muscle fibres are controlled…

Q: The rising phase of a muscle twitch represents ________. the time of relaxation of the muscle…

A: Muscle twitches are involuntary contractions of the muscle fibers. Nerves control these muscle…

Q: Why will an increase in the strength of a stimulus cause an increase in the force of contraction in…

A: Stimulus: A stimulus in physiology is a change in the physical or chemical structure of an…

Q: From the following choices, choose the THREE, that would result in prevention of muscle contraction…

A: A Muscle Contraction Is Triggered When an Action Potential Travels Along the Nerves to the Muscles.…

Q: Which of these statements are TRUE regarding fast-twitch fibers? S1 = Fast-twitch fibers contract…

A: Skeletal muscle fibres come in two varieties: 1. slow-twitch and 2. fast-twitch. Fast-twitch muscle…

Q: A smooth, sustained contraction from rapid stimulation of skeletal muscle fibers is called _______

A: TISSUE:- These tissues are different from other tissues as they have the ability to contract and…

Q: Why might stretching a cramping muscle INCREASE the cramping, as well as why would contracting the…

A: In the human body, the painful involuntary contraction of a muscle, as a result of dehydration,…

Q: Give a part of the body that uses the 2nd class lever system

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In some fitness exercises you will build muscle mass but do not train the muscle to be effective.…

A: Muscle buildup is important for the development of strength and agility. Muscle buildup is basically…

Q: Excitation-contraction coupling is the sequence of events that links the action potential to changes…

A: Skeletal muscles are attached to the bones by tendons, which produce all the movements of body…

Q: What is the fastest manner in which skeletal muscle  cell produce ATP? Utilization of fatty acids…

A: In movement, organism moves body parts or parts whereas, in locomotion, an organism change its…

Q: In an isometric contraction, the muscle develops tension but does not: a.  Expend energy. b.…

A:

Q: Describe the chain reaction of muscle relaxation

A: Muscles are the tissues that show contraction, relaxation and stretching activities and allow…

Q: What is the steps in the Sliding Filament theory of muscle cell contraction in correct order?…

A: Muscles play an important role in the movement, locomotion, contraction, digestion, etc. Muscles are…

Q: According to the size principle, which type of muscle fibers are recruited last during a muscle…

A: Size principle or Henneman's size principle was given by Elwood Henneman which demonstrates the…

Q: List and describe all of the major events that occur during a muscle contraction starting with the…

A: Contraction of muscles is the foundation of all skeletal movements as the force required for the…

Q: Muscle cells are stimulated by neurotransmitters released from the synaptic terminals of what…

A: ACTION POTENTIAL An action potential occurs when the membrane potential of a specific cell  rapidly…