Why does a person with muscles that have a higher percentage of slow fibers have greater endurance than a person with muscles that have a lower percentage of slow fibers?  Thank you!

Q: What type of contractions do cardiac muscles do? What type of contractions do smooth muscles do?

A: Smooth muscles are found in the internal organs other than the heart. It maintains the voluntary…

Q: Why is muscle 1 more powerful than muscle 43

A: The shape of the force-velocity (F-V) relationship affects many aspects of muscle physiology,…

Q: What caused the muscle fatigue you experienced with each successive trial?

A: The time interval between successive trials show decreased duration.

Q: 3. Activation of Golgi tendon organ of a given muscle: a- Activates motor neurons that return to the…

A: *The Golgi tendon organ also called as  neurotendinous spindle which is a proprioceptor that was a a…

Q: Effects of Cardiovascular/Endurance on Muscle

A: Cardiorespiratory endurance tests monitor however well the center, lungs, and muscles perform…

Q: 1. A motor unit is a functional unit formed by a neuron and all the muscle fibres it innervates. II.…

A: The spinal cord is the place where motor neurons are located. It is the site of interneurons and…

Q: Why do previously trained muscles adapt more quickly to retraining after a period of disuse ?

A: There are a total of  639 muscles in the human body. Each muscle is of different use. There are…

Q: Co-activation of α and γ-motor   neurons :-a- increases γ-motor neuron discharge whenever the…

A: Alpha (α) motor neurons control muscle contraction involved in voluntary movement, whereas gamma (γ)…

Q: What % or fraction of muscle fibers do we use at any given moment!

A: When a person exercises systems like- The cardiovascular, respiratory, and muscular systems all work…

Q: This mineral allows sarcomeres to contract resulting in muscle contraction.           potassium…

A: The muscles are the part of body which is responsible for producing movements

Q: Which neurodegerative disorder affects skeletal muscle stimulation? 1) Alzheimer's disease 2)…

A: Neurodegenerative disorders are disorders of the brain and nervous system. The disorders result in…

Q: Slow twitch (sometimes called type I) muscle is the main muscle tissue used during endurance…

A: Muscle fibres of various types can be found in most of the body's muscles. However, some muscles…

Q: Define the all-or-none principle.

A: According to All-Or-None principle, When threshold stimulus is applied to a neuron then it will…

Q: In the numbered list below, what are they in order from largest to smallest? 1. Myofilaments 2.…

A: Tissue is the next level organization of the cells. There are 4 different types of tissue are…

Q: Skeletal muscle tone :-a- is a dynamic stretch reflexb- has a dynamic state c- is increased during…

A: The muscular system of the body is the system of muscles that provides strength, shape and…

Q: ___ fibers can temporarily store ___ in myoglobin. a. Fast-twitch . . . ATP b. Slow-twitch . . .…

A: Answer: Introduction: Skeletal muscles formed by distinct muscle fibers. And like muscles…

Q: γ-motor neurons control muscle tone by :-a- adjusting the supraspinal facilitatory dischargeb-…

A: Muscle tone refers to the maintenance of partial contraction which important for maintaining posture…

Q: What are some adaptations/specializations that we see in skeletal muscle fibers that increase their…

A: Muscle cells are specific for contraction. It allows for motions and facilitates bodily processes…

Q: Hello. Why does a person with muscles that have a higher percentage of slow fibers have greater…

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and…

Q: Why does muscle strength decrease with aging?

A: The muscular framework is an organ framework comprising of skeletal, smooth and cardiovascular…

Q: What do you mean by myofibrils?

A: Muscle cells are also referred to as myocytes. These are the cells that made up the muscle tissue.…

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

A: Motor unit recruitment depends on the force/resistance of the exercise. It is generally accepted…

Q: What do you mean by innervation of skeletal muscles?

A: Skeletal muscles produce all the movements of body parts in relation to each other and are attached…

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: The nuclear-bag fibers of muscle spindles are innervated by :-a- Aγ nerve fibersb- Aβ nerve fibersc-…

A: The muscle spindles are stretch receptors inside the body of a muscle. The reflexes are immediate or…

Q: This is a feature of fast-twitch (type II/white) fibers:_ poor in phosphagen system abundant blood…

A: There are two types of skeletal muscle fibres-  1) type one - slow twitch fibres -there…

Q: What do you mean by red muscle?

A: A muscle is a soft tissue that emerges from the mesoderm germ layer. It is responsible to make…

Q: When using muscles how do you generate more tension when picking up a heavier object than you do…

A: The amount of tension produced by muscles depends on the cross-sectional area of the muscle fiber…

Q: 38- Which of the following is not a characteristic of the muscle spindles: a- Encapsulated…

A: Muscle spindles: it is belongs to proprioceptors.

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: What do you mean by innervation of smooth muscles?

A: Smooth muscles are present all over the body. They are involuntary in functions and are non-striated…

Q: What do you mean by myosin myofilaments?

A: Muscles consist of munerous muscle fibres. Each muscle fibre contains many myofibrils having…

Q: Muscle fibres cannot be distinguished/classified using which criteria? 1.Location 2.Elasticity…

A: The Muscle is a soft tissue that is responsible for producing force and motion facilitated by the…

Q: What is the main function of Muscular system?

A: Muscles play a key role in the body and the muscular system is composed of around 600 muscles. The…

Q: Could domestic cats gain stamina if train like dogs? How that possible or not possible

A: Many cat owners don't think to basically train their cats until it's past the point where it is…

Q: Increased sensory discharge from muscle spindles :-a- decreases muscle toneb- increases muscle…

A: The spinal cord reflexes produced by central nervous system (CNS) pathways, which lie entirely…

Q: Very Shortly describe the full process for how nerve signals cause our skeletal muscles to contract…

A: There are three kinds of muscle tissue in the human body and each performs particular tasks for…

Q: Rowing is a whole body movement Rowing is simulated using a rowing ergometer Does a preload occur…

A: KEY WORDS :- Rowing - It is a sport in which racing a boat on water using oars. It requires certain…

Q: The disease poliomyelitis (po′le-o-mi′˘e-li′tis) destroys motor neurons, causingloss of muscle…

A: Poliomyelitis is caused by a virus that may cause paralysis in the person. Poliomyelitis can be…

Q: Very shortly describe how our muscles may relax after they contraction

A: When a muscle fiber is excited, Ca2+ is rapidly released from the sarcoplasmic reticulum inducing…

Q: The fast fatigable motor units are used predominantly for which of the following activities?…

A: Fast fatigable motors are used when large forces for a short time are required.

Q: Hello Why does a person with muscles that have a higher percentage of slow fibers have greater…

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and…

Q: What do you mean by straited muscle?

A: Muscle tissue is a well-vascularized soft tissue present in the muscles of animal body. Muscle…

Q: Post-rotational alteration of muscle tone :-a- results from altered pattern of macular dischargeb-…

A: Muscle tone is the status of the contraction of the resting muscle. The partial contraction of the…

Q: Why does a person with muscles that have a higher percentage of slow fibers have greater endurance…

A: Skeletal muscles are made up of individual muscle fibers.There are two types of skeletal muscle…

Q: The discharge from Golgi tendon organs initiated by excessive stretch ofa skeletal muscle produces…

A: Introduction  Golgi tendon organ are the proprioceptor (sense organ) which receives the information…

Q: I need help with #20

A: The force of a muscle is the function of its velocity. Muscles are strengthened which is based on…

Spheres of physical activity

The spheres of physical activity experience include aspects of everyday life where physical activity is important. In general, the spheres recognize various purposes of physical activity in different contexts. The spheres of physical activity provide a broad basis for assessing the significance and prevalence of physical activity. There are seven spheres of physical activity experience.