Identify the manipulated, responding and controlled variables in the experiment described above. Strength of Stimulus Number of Muscle Fibre Stimulated Mass Lifted by Muscle Contraction

Q: In your own words, describe the main events occurring between the arrivalof an action potential at a…

A: The chemical synapse that favors the transmission of the signal from the motor neurons to the muscle…

Q: what can you conclude about superposition muscle contraction?

A: Muscle contraction happens when the thin actin and thick myosin filaments slide over each other. It…

Q: Which of the following is correct about muscle spindles? Detect changes in muscle length Perceive…

A: Muscle spindles are skeletal muscle sensory receptors within the body of a muscle that are able to…

Q: Explain how researcher characterize and identify types of muscle fibers.

A: We will answer the first question since the exact one was not specified. Please submit a new…

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: Describe the general anatomical design of a muscle spindle and discuss its physiological function.

A: Muscle spindles are a special type of sensory receptors (proprioceptors) present inside the muscle…

Q: subtractive technique that uses nerve stimulation at two points and subtracting the difference…

A: Nerve impulse  conduction is a complex phenomena and it starts at the point of stimulation which is…

Q: a.  Define the all-or-none principle.  b.  The same student remarked that at 180 mV stimulus, it is…

A: Lifting a mass is done by a motor unit, motor unit has a motor neuron and the skeletal muscle fibers…

Q: Motor control can be defined as the acquisition of relatively permanent movement skills resulting…

A: Motor control may involve conscious control over movements of joints and body segments. It regulates…

Q: Neutral stimulations modulate muscle force output. In the illustration below, fused tetanus is shown…

A: Fused tetanus is a physiological phenomenon observed in muscle contraction, particularly when…

Q: If an individual completed 60-min of exercise at 40% of their maximal effort, which type of muscle…

A: Muscle fibres, also known as muscle cells or myofibers, are the basic structural units that comprise…

Q: What are some of the neural adaptations to exercise?   Select 2 correct answer(s)     Increased…

A: Physical exercise includes exercise such as jogging, and weight training, as well as sports. The…

Q: the process of muscle contraction, which of the following steps immediately precedes the influx of…

A: Muscle contraction:-  Is the response  a muscle has to any kind of stimuli where the result is…

Q: Name the three Nobel Prize winners whose research work involved muscle or muscular exercise.

A: Muscles are the soft tissue that has filaments to change its shape and length. The filaments present…

Q: Design an aerobic training program for a male high school cross country team in off season training…

A: An aerobic training program focuses on improving the body's ability to efficiently utilize oxygen…

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: Define the following terms as they relate to interval training: set.

A: Interval training is a method of exercise (physical training) in which high-intensity workouts are…

Q: How does the activation of vertebrate skeletal muscle differ from the activation of arthropod muscle…

A: Arthropods are lower animals and their complexity is not profound as compare to the higher animals.…

Q: If we didn’t collect the data for the Normal knee-jerk response, would we be able to evaluate the…

A: Jendrassik maneuver : It is a maneuver which is used to see the reflex action of patellar area when…

Q: How would you modify this experiment so that the mass lifted by the muscle contraction continues to…

A: Only when the potential reaches a specified potential only then the neuron gets activated. A…

Q: Question 47 (1 point) Which of the following options describes the speed at which force may be…

A: Type 1 muscles fibers are present for long duration of contractile activities.and found in the…

Q: Fill in the blanks: Resistance-type activities will likely rely on _____ energy sources, whereas…

A: Exercise or any form of physical activity is essential for keeping the body healthy and maintaining…

Q: Define the following terms as they relate to interval training: work interval

A: WORK INTERVAL : interval training is a type of training that involves a series of high intensity…

Q: what else EMG analysis could be used for in rehabilitation as well as how the concepts of fatigue…

A: Electromyography (EMG) is a procedure to know the health of muscles and nerve cells that control…

Q: Give typing answer with explanation and conclusion to all parts How does BMI and muscle size affect…

A: We are investigating the connection between BMI, muscle size, and muscle activation during…

Q: How are motor neurons involved in muscle contractions? Select all that apply. The release of calcium…

A: It is a neuron whose cell body is located in the motor cortex, brainstem or the spinal cord and…

Q: Which of the following is correct about muscle spindles?

A: Sensory receptors are specialised cells or multicellular structures that sense changes in both the…

Q: Describe in details the biochemical and mechanochemical series of events that enables motor neurons…

A: Muscle contraction means activation of tension-generating sites within our muscle cells and the…

Q: experiment:  Face palm on table facing up. Open and close hand as rapidly as possible for 20 seconds…

A: Cellular respiration is the process by which living organisms break down glucose to generate energy,…

Q: Compare and contrast active and passive range-of-motion exercises ?

A: The human body comprises many joints(the connection made between bones), it exerts movements for…

Q: How would the muscle behave with continued high frequency stimulation? Will you observe any…

A: The use of electric impulses to elicit muscle contraction is known as electrical muscle stimulation…

Q: The group la afferents from intrafusal fibers are rapidly adapting and show

A: Option B is the correct answer  increased firing during the dynamic phase that is maintained while…

Q: Design a speed and agility program for a high school boys soccer team in preseason training. Be sure…

A: Speed and Agility Program for High School Boys Soccer Team Preseason Training:Warm-up (10…

Q: Define synergistic effect

A: There are several molecules that are released by the animal's body like hormones and enzymes that…

Q: Define maximal threshold. What would happen to contraction if stimulus is increased beyond the…

A: The threshold stimulus is the minimum strength required for a stimulus to start a muscular…

Q: When you “max out” on reps or pushups or something like that, what kind of stimulus is your brain…

A: Exercise builds and strengthens muscles, which can protect the bones from injury, and support and…

Q: During resistance exercise, three factors support muscle hypertrophy they include the following with…

A: Resistance exercises involve training to improve muscle strength by making muscles work against an…

Q: The experiment that crossed the nerve from a muscle that had a short contraction time "a fast…

A: b.False Detailed explanation given below ?

Q: Design an aerobic training program for a male high school cross country team in off season training…

A: An aerobic training program is a  well designed plan of physical activity which helps in  improving…

Q: What can students learn from doing dichotomous key exercises? Give a broad explanation.

A: * Dichotomous key -A dichotomous key is a kind of system that gives us two choice and leads us to…

Q: What methods can you use to test if someone has more fast twitch versus slow twitch muscle fibers?…

A: To test for a ratio between fast and slow twitch muscle fibers, one must first be aware of the…

Q: a) Describe how the isolated muscle behaved as the interpulse interval was decreased progressively.…

A: The law of muscle contraction is all or none. It states that when a stimuli is applied which exceeds…

Q: Is there a difference in the time interval from the end of the T wave to the peak of the next R wave…

A: During exercise, the heart rate increases, this cause a shortening of diastole and systole of the…

Q: What are some of the Select 2 correct answer(s) Decreased central nervous system activation Improved…

A: Neural adaptations to exercise include: - Improved efficiency in neural recruitment patterns…

Q: What is the cause of the fused/complete tetanus (4) in the figure below? * Average tension…

A: ANSWER;- At higher stimulus frequencies, there is no relaxation at all between stimuli. Explain;-…