Classification muscle fibers slow twitch. Medical search. Frequent questions

2003). Scientific studies have shown that untrained individuals show a similarity between slow (type I) and fast (type IIa and IIx) fibers, while trained sprinters have an 80% composition of fast fibers, and long-distance runners tipped the balance towards slow fibers (Costill et al. (vitruve.fit)
For instance, Olympic sprinters may have as much as 80% fast-twitch fibers and long-distance runners may have as much as 80% slow-twitch. (webvote-inc.com)

Skeletal muscles are substantially composed of multinucleated contractile muscle fibers (myocytes). (wikipedia.org)
In terms of volume, myocytes make up the great majority of skeletal muscle. (wikipedia.org)
Skeletal muscle myocytes are usually very large, being about 2-3 cm long and 100 μm in diameter. (wikipedia.org)
Considerable research on skeletal muscle is focused on the muscle fiber cells, the myocytes, as discussed in detail in the first sections, below. (wikipedia.org)
The coordinated interaction of the myofilaments actin and myosin within the myocytes gives muscle tissue the ability to contract. (amboss.com)

We hypothesised that in trained cyclists the sigmoid would display a rightward shift, due to an increased oxidative capacity and/or higher percentage of slow-twitch fibres. (ugent.be)
Type IIa fibers, or fast oxidative glycolytic fibers, have higher contraction velocities than type I fibers, but are less resistant to fatigue. (vitruve.fit)
This type of oxidative fiber is conducive in endurance sports, since we do not need a fast contraction for sprinting or jumping, but we do need to delay muscle fatigue as much as possible. (vitruve.fit)
Between the slow type I fibers and the explosive type IIx fibers are the IIa fibers, or fast oxidative glycolytic fibers, which have a fast contraction speed (neither slow nor explosive) and do not fatigue too early or too late. (vitruve.fit)

Skeletal muscles are voluntary muscles under the control of the somatic nervous system. (wikipedia.org)

The rectus abdominus, the "six-pack" muscle, contains a higher percentage of fast-twitch (type II) muscle fibers and should thus be trained accordingly. (theelitetrainer.com)
1976). The question is to what extent these fiber proportions are innate, and what percentage can be changed by training. (vitruve.fit)
Muscular weight, volume, fiber diameter and percentage of fiber types were measured after the experiment. (maxwellmagneticmeds.co.za)

Do you realize to use slow twitch muscle fibers nervous stimulation is required (CNS requires cals although not fat calories)? (ironmagazine.com)
Repetitive stimulation with interstimulus interval of 200 ms was applied on isolated frog muscle fibre to evoke intracellular action potentials and twitch contractions. (maxwellmagneticmeds.co.za)
The influence of pulsed magnetic stimulation on denervated muscles was investigated in this study. (maxwellmagneticmeds.co.za)
Type II fiber atrophy was retarded in denervated muscles by magnetic stimulation as well as in denervated muscles via electric stimulation. (maxwellmagneticmeds.co.za)
Its benefits of painless stimulation as well as deeply activated muscular contraction could be expected to function as a new model for rehabilitation of paralyzed muscles. (maxwellmagneticmeds.co.za)

Long-lasting (fatiguing) activity of isolated muscle fibres influenced by microwave electromagnetic field. (maxwellmagneticmeds.co.za)

Two types of sensory receptors found in muscles are muscle spindles, and Golgi tendon organs. (wikipedia.org)
Muscle spindles are stretch receptors located in the muscle belly. (wikipedia.org)
Muscle Spindles - Sensory receptors, run parallel to muscle fibers. (thehealthygamer.com)

Muscle fibers also have multiple mitochondria to meet energy needs. (wikipedia.org)
Type I fibers have a higher density of mitochondria volume than fast fibers (Sullivan & Pittman, 1987), which explains the delay in fatigue that will help us as endurance athletes. (vitruve.fit)

The distribution of weakness in s-IBM is variable, but both proximal and distal muscles are usually affected and, unlike polymyositis and dermatomyositis, asymmetry is common. (medscape.com)

A skeletal muscle contains multiple fascicles - bundles of muscle fibers. (wikipedia.org)
Each muscle cell contains bundles of parallel myofibrils, shown in red, surrounded by endoplasmic reticulum, or ER. (pearson.com)
Whiplash uses more fiber bundles when braiding, contributing to the performance and knot strength. (yourdictionary.com)

Myoblast fusion into functionally-distinct myotubes to form in vitro skeletal muscle constructs under differentiation serum-free conditions still remains a challenge. (elsevierpure.com)

According to an online meat preparation fact sheet on lamb, the amount of myoglobin in the animal's muscle determines its meat color category. (webvote-inc.com)

In the first case we need pure explosiveness for about 10 seconds, while in the second case the test requires muscle contractions for hours and hours. (vitruve.fit)

Peripheral Neuropathy is several conditions that involve damage to the peripheral nervous system responsible for sending signals from the CNS to all the parts of the body, such as the contraction of muscles, movement, digestion, urination, immune system, and other functions. (healthiack.com)
Help regulate the contraction of muscles via the stretch reflex mechanism. (thehealthygamer.com)

Sensory (afferent) neurons - Respond to touch, sound, light, and other stimuli and transmit nerve impulses from effector sites(muscles, organs) to the brain and spinal cord. (thehealthygamer.com)
So sensory neurons transmit from muscles and organs to the CNS. (thehealthygamer.com)
Second they relay information from effector(organ, muscle) sites back to the brain via sensory receptors, providing constant update to the relation of the body and the environment. (thehealthygamer.com)
Gogli Tendon Organs(GTOs) - Specialized sensory receptors located where the skeletal muscle fibers attach to the tendons. (thehealthygamer.com)
No. Many children who are selective feeders ("picky eaters") may have weakness or discoordination of the muscles of the mouth or sensory concerns that are preventing them from eating easily. (clarityslp.com)

Skeletal muscles (commonly referred to as muscles) are organs of the vertebrate muscular system and typically are attached by tendons to bones of a skeleton. (wikipedia.org)
The muscle cells of skeletal muscles are much longer than in the other types of muscle tissue, and are often known as muscle fibers. (wikipedia.org)
Under different physiological conditions, subsets of 654 different proteins as well as lipids, amino acids, metabolites and small RNAs are found in the secretome of skeletal muscles. (wikipedia.org)
However, considerable numbers of resident and infiltrating mononuclear cells are also present in skeletal muscles. (wikipedia.org)
Front and back views of the major skeletal muscles of the human body There are more than 600 skeletal muscles in the human body, making up around 40% of body weight in healthy young adults. (wikipedia.org)
The autoimmune attack occurs when autoantibodies form against the nicotinic acetylcholine postsynaptic receptors at the neuromuscular junction of skeletal muscles (see the image below). (medscape.com)

The tendons attach the muscles to bones to give skeletal movement. (wikipedia.org)
The length of a muscle includes the tendons. (wikipedia.org)

A network of tubules and sacs in the cytoplasm of SKELETAL MUSCLE FIBERS that assist with muscle contraction and relaxation by releasing and storing calcium ions. (nih.gov)

There are many neuropathy treatments that although won't slow down the progression but can relieve some of the symptoms that the patient is experiencing. (healthiack.com)
The intent of vaccination is to induce a combined antibody and T-cell anti-HER-2 immune response, which is intended to target HER-2-expressing tumor cells, and may induce tumor regression or slow progression of disease. (stanford.edu)

Muscle fibers are in turn composed of myofibrils. (wikipedia.org)
The myofibrils are composed of actin and myosin filaments called myofilaments, repeated in units called sarcomeres, which are the basic functional, contractile units of the muscle fiber necessary for muscle contraction. (wikipedia.org)

Depending on the intracellular arrangement of these myofilaments , muscle tissue is classified as either striated (skeletal and cardiac) or nonstriated (smooth) muscle. (amboss.com)

Skeletal muscle contains a heterogeneous composition of different fiber types on a continuum from slow to fast, which causes them to have different performances. (vitruve.fit)

Muscle fibers are formed from the fusion of developmental myoblasts in a process known as myogenesis resulting in long multinucleated cells. (wikipedia.org)

Depending on the sport practiced, it will be more interesting to have a majority of fibers of one type or another. (vitruve.fit)

Trying to guess the examiners' minds from the way this syllabus item is positioned (in the "musculoskeletal" section), we can infer that the detailed anatomy and physiology of cardiac muscle is probably intended for the cardiovascular section , and what they wanted from us here is more of a comparison of the ultrastructural elements that distinguish the three muscle types. (derangedphysiology.com)
Of the freely available peer-reviewed resources appropriate for revision of this topic, none beat Sweeney & Hammers (2018) , as this review covers all possible examinable topics and has sections comparing skeletal muscle to smooth and cardiac muscle. (derangedphysiology.com)
Cardiac muscle is also under involuntary control of cardiac pacemaker cells and forms the walls of the cardiac chambers ( myocardium ). (amboss.com)
An increase in blood cardiac troponin levels thus indicates cardiac muscle tissue damage. (amboss.com)

Myofilaments are protein fibers consisting of thick ( myosin ) and thin ( actin ) filaments and are responsible for the contractile properties of muscle cells. (amboss.com)

Since s-IBM is an acquired myopathic process, weakness or impairment of muscle function in the area(s) affected is the presenting symptom. (medscape.com)
This randomized, controlled study on patients with polymyositis or dermatomyositis was based on three hypotheses: patients display impaired endurance due to reduced aerobic capacity and muscle weakness, endurance training improves their exercise performance by increasing the aerobic capacity, and endurance training has general beneficial effects on their health status. (biomedcentral.com)
The mechanisms that lead to muscle weakness are not fully clarified but both immune-mediated and non-immune-mediated mechanisms are thought to be involved in the disease process and the latter mechanisms include endoplasmic reticulum (ER) stress, hypoxia, autophagy and mitochondrial pathology [ 3 - 5 ]. (biomedcentral.com)
Myasthenia gravis (MG) is a relatively rare acquired, autoimmune disorder caused by an antibody-mediated blockade of neuromuscular transmission resulting in skeletal muscle weakness and rapid muscle fatigue. (medscape.com)

Each individual fiber, and each muscle is surrounded by a type of connective tissue layer of fascia. (wikipedia.org)
Narrow patterns demonstrated enhanced glucose uptake rate and generated a fast-twitch muscle fiber type, whereas the slow-twitch muscle fiber type was dominant on wider patterns. (elsevierpure.com)
Can you Change The Type of Muscle Fiber of Your Athletes? (vitruve.fit)
In humans, type I, or slow twitch, fibers contract at a slower rate, but are highly resistant to fatigue. (vitruve.fit)
In endurance events, those athletes whose muscles involved in the discipline have a large majority of slow contraction fibers (type I) will have an advantage. (vitruve.fit)
The fast fiber type IIx, known in the older literature as IIb, will be the one that will give our athlete an advantage in these purely explosive sports (Andersen & Aagaard, 2010). (vitruve.fit)
Most sports require this type of fiber, since we can cover a big distance during a match, but we will also have to jump, punch or sprint at certain times. (vitruve.fit)
Fast fibers (type IIa and IIx) have a maximum power ten times (type IIx fibers) and six times (type IIa fibers) greater than slow fibers. (vitruve.fit)
On the other hand, athletes who excel in purely explosive events are those who have more type IIx fibers. (vitruve.fit)
Further compounding the loss in function with age is preferential loss of cross-sectional area of stronger and faster contracting type II muscle fibers [ 9 ]. (hindawi.com)

Soluble fiber slows down digestion, which contributes to a prolonged feeling of fullness and more stable blood sugar. (yourdictionary.com)

The gastrocnemius muscle aids in pointing your toes down by causing the ankle joint to plantarflex. (alphaprogression.com)

The best-tasting creatures would likely include Nerfs and Banthas for their delicious slow-twitch muscle fibers," Eastis explains. (melmagazine.com)

The muscle tissue of a skeletal muscle is striated - having a striped appearance due to the arrangement of the sarcomeres. (wikipedia.org)
The myofilaments of striated muscle are arranged into sarcomeres while smooth muscle myofilaments lack a specific arrangement. (amboss.com)

Conversely, a slower pace yields a lower cardiovascular demand. (trampolinezone.net)

Therefore, consuming an adequate amount of carbs athletes can delay onset muscle fatigue caused by glycogen depletion. (swolverine.com)
As with the earlier thalidomide catastrophe, the diethylstilbestrol episode highlighted signifi- sanctimoniousness dangers that escort the authority of unsafe drugs to eloquent women, revealing how pharmaceutical cover assessment requires investigation across con- secutive generations to unearth rogue compounds that bring out delayed, slow-onset toxicity. (daubnet.com)

both of these types of muscle tissue are classified as involuntary, or, under the control of the autonomic nervous system. (wikipedia.org)
Smooth muscle is under involuntary control of the autonomic nervous system and external stimuli (e.g., chemical, mechanical). (amboss.com)
The motor nerve cell body has a long fiber called an axon, which extends from the central nervous system to the muscles. (yourdictionary.com)
They provide a connection for the nervous system to activate different effector(organ, muscle) sites. (thehealthygamer.com)
The somatic nervous system consists of the nerves that serve the outer areas of the body and skeletal muscle and are responsible for the voluntary control of movement. (thehealthygamer.com)

Losing bodyfat relies on way more than activity of the slow twitch muscle fibers (how about cal deficit). (ironmagazine.com)

This improved circulation enhances the efficiency of nutrient and oxygen transport to the muscles, aiding recovery and overall cardiovascular health. (trampolinezone.net)

Apart from the contractile part of a muscle consisting of its fibers, a muscle contains a non-contractile part of dense fibrous connective tissue that makes up the tendon at each end. (wikipedia.org)
Connective tissue is present in all muscles as deep fascia. (wikipedia.org)
Dedicated muscle tissue in multicellular organisms tends to exhibit a comforting structural homology, to effect that one could recognise striated muscle in a jellyfish and feel a warm kind of brotherly Verbundenheit, but it evolved probably at least four separate times in separate clades rather than arising from some early eumetazoan ancestor. (derangedphysiology.com)
At the most basic level we can separate muscle tissue into smooth and striated, where the striations originate from a repeating pattern of regularly arranged proteins, whereas "smoothness" is conferred by an irregular arrangement without a repeating pattern. (derangedphysiology.com)
IMTG are contained within the muscle and can be used directly, FFA from adipose tissue must be carried through the bloodstream to the muscles to be used for energy. (ironmagazine.com)
During exercise, one of the most important factor in muscle tissue is oxygen availability, which determinates carbohydrate and lactate metabolism [ 1 ]. (biomedcentral.com)
The increased accumulation of lactate in muscle tissue, in hypoxic conditions or muscle disorders, can lead to muscle fatigue and exercise intolerance [ 1 ]. (biomedcentral.com)
Proton-linked monocarboxylate transporters allow the rapid transfer of lactate acid through the membrane, which can be used as fuel for mitochondrial respiration in muscle tissue [ 7 ]. (biomedcentral.com)
Muscle tissue is a soft tissue that is primarily composed of long muscle fibers. (amboss.com)
4. Anatomical classifications of epithelial tissue and 2 primary functions? (fsu.edu)
Like discussed above, your body water can be found inside not only in your blood, but in your muscle tissue, your body fat, your organs, and inside every cell in your body. (inbody.com)

Muscles are predominantly powered by the oxidation of fats and carbohydrates, but anaerobic chemical reactions are also used, particularly by fast twitch fibers. (wikipedia.org)

You're not alone if you've been struggling to notice any appreciable increase in your calf muscles. (alphaprogression.com)
In this article, we'll examine the causes of poor and frustrating calf muscle growth and give you valuable tips and methods to help you get the desired growth. (alphaprogression.com)
It's crucial to understand the anatomy of your calf muscles first to understand how to grow them appropriately and thoroughly. (alphaprogression.com)
The gastrocnemius and soleus muscles make up the two main muscles of the calf. (alphaprogression.com)
The two calf muscles cooperate in providing control and power when performing actions like jumping, running, and walking. (alphaprogression.com)
Some people are simply born with more calf muscle growth potential than others. (alphaprogression.com)
Numerous factors than age and genetics might affect how quickly calf muscles grow. (alphaprogression.com)
Vary your exercises to challenge your calf muscles. (alphaprogression.com)
Calf exercises might be less effective and result in slower muscle growth when performed with poor form. (alphaprogression.com)
Because your body weight is carried by your calf muscles all day, they need much more volume to grow. (alphaprogression.com)
The calf muscles need to be trained regularly to stimulate growth because they are used frequently in daily activities. (alphaprogression.com)
Calf muscles won't grow without progressive overload. (alphaprogression.com)
Calf muscle growth is significantly influenced by genetics. (alphaprogression.com)
The genetics of calf muscle growth is a complex and poorly understood topic. (alphaprogression.com)
Yet, scientists have discovered several genes linked to the strength and size of the calf muscle. (alphaprogression.com)
In one study, researchers from the University of Iowa found that a particular version of the ACE gene was associated with larger calf muscle size in both men and women. (alphaprogression.com)
The myostatin gene, which regulates muscle growth, has been examined in research concerning the size of the calf muscle. (alphaprogression.com)
Even if genetics influence the development of calf muscles, it's essential to remember that exercise and proper diet are still crucial for growing muscular, defined calves. (alphaprogression.com)
Genetics definitely play a significant role in calf muscle size and strength. (alphaprogression.com)
The answer to calf muscle growth is not straightforward, as it depends on multiple aspects, like genetics, the intensity of training, and frequency. (alphaprogression.com)
According to research, calf muscles grow more slowly than other muscles in the body. (alphaprogression.com)
This is the case because slow-twitch muscle fibers, which comprise most of the calf muscles, are more resistant to hypertrophy than fast-twitch fibers. (alphaprogression.com)
Also, the calf muscles are constantly working to support the body's weight, making it harder to build muscle. (alphaprogression.com)
It often takes several weeks to several months of consistent training to see measurable gains in calf muscle size. (alphaprogression.com)
Predict who would likely have a greater proportion of fast glycolytic fibers in their gastrocnemius (calf) muscle-an elite distance runner or an elite sprinter. (pearson.com)

intrinsic and extrinsic muscles are subdivisions of muscle groups in the hand, foot, tongue, and extraocular muscles of the eye. (wikipedia.org)

How Interesting it is to Change Your Athletes' Muscular Fibers? (vitruve.fit)
The world champions and top athletes in their disciplines, if these are highly dependent on muscle contraction, have percentages of fiber types to back them up. (vitruve.fit)
Scientists, trainers, and athletes alike have wondered about the extent to which muscle structure and function contribute to success in athletes such as Radcliffe. (pearson.com)
Are their muscles somehow different from those of less successful athletes and non-athletes? (pearson.com)

These fibers contract more slowly but take much longer to fatigue. (vitruve.fit)
At the opposite end of the spectrum from long endurance are explosive gestures such as a baseball pitch or boxing punch, which require the fibers to contract as fast as possible, and it doesn't matter that they fatigue quickly because the action time is so short. (vitruve.fit)
During intensive training, the rates of lactate production and utilization are critical to avoid muscle fatigue and a decrease in exercise performance. (biomedcentral.com)
The study aims to clarify the effect of exposure to microwave electromagnetic field (MMW) on muscle fibre fatigue. (maxwellmagneticmeds.co.za)
MMW (2.45 GHz) have a specific, non-thermal influence on muscle fibre activity resulting in some resistance to fatigue. (maxwellmagneticmeds.co.za)

Many tissues can use free fatty acids for fuel not just slow twitch muscle fibers. (ironmagazine.com)
In 1901, the famous pathologist Karl Weigert noted that lymphoid cells were present in the muscle and other tissues of persons with this affliction. (medscape.com)

Estrogen and elastin , hormones boosting muscle elasticity, are higher in women. (miguelcaballerofashion.com)

Skeletal muscle comprises about 35% of the body of humans by weight. (wikipedia.org)

The repetitive nature of bouncing on a trampoline helps to strengthen the heart muscle, leading to increased cardiac output and a more resilient cardiovascular system. (trampolinezone.net)

Aging is related to changes in muscle quantity and quality [ 1 ], both of which have important implications for functional performance [ 2 ]. (hindawi.com)
These adverse changes in muscle quantity, muscle quality, and the resulting functional deficits are referred to under a common name of "sarcopenia. (hindawi.com)
For the purposes of this paper, we define sarcopenia as originally defined by Rosenberg [ 3 ], an age-related loss of muscle, and view the functional aspects of the most recent definitions as consequences of sarcopenia. (hindawi.com)

In fact he says that he often starts out with longer repeats of 500-600m in length at slower speeds and works down to the shorter faster repeats. (scienceofrunning.com)

A myostatin gene mutation can cause increased muscle growth and a more muscular body generally, especially the calves, in some individuals. (alphaprogression.com)

That is why any endurance athlete will want to shift muscle fiber to this side, as it will give them a competitive advantage in their discipline. (vitruve.fit)
Research has disclosed that women have a greater share of slow-twitch muscle fibers, which are in charge of endurance and flexibility. (miguelcaballerofashion.com)

Fiber helps to sweep toxins out of the body and the rich supply of protective antioxidants protect body cells against damage. (yourdictionary.com)

Theoretically, the possibilities include (1) a primary T-cell mediated autoimmune response causing muscle damage, (2) a primary degenerative process involving abnormal protein processing leading to a secondary inflammatory response, and (3) separate and independent immune and degenerative processes caused by an external trigger. (medscape.com)
In 1960, Dr John A. Simpson introduced his hypothesis that the cause of MG was "an 'autoimmune' response of muscle in which an antibody to end-plate protein may be formed. (medscape.com)
[ 1 , 2 ] Although the chief target of the autoimmune attack in most cases is the skeletal muscle nicotinic acetylcholine receptor (nAChR), other antigenic targets that are components of the neuromuscular junction (NMJ) have also been implicated. (medscape.com)

However, in terms of nuclei present in skeletal muscle, myocyte nuclei may be only half of the nuclei present, while nuclei from resident and infiltrating mononuclear cells make up the other half. (wikipedia.org)

Opting for big, powerful jumps activates fast-twitch muscle fibers, which require more energy and oxygen, thereby intensifying your cardio workout. (trampolinezone.net)

The functions of skeletal muscle include producing movement, maintaining body posture, controlling body temperature, and stabilizing joints. (wikipedia.org)
This helps extend muscles and increase movement. (miguelcaballerofashion.com)
Motor Nerves: It controls the movement of muscles like walking, talking, grasping. (healthiack.com)
Weight-lifters need fast-twitch fibers for quick bursts of strength, and long-distance swimmers need the constant movement provided by slow-twitch fibers. (webvote-inc.com)

By putting maximum effort into your jumps, you can activate more muscle fibers and improve your vertical leap. (trampolinezone.net)

A muscle consists of parallel muscle fibers. (pearson.com)

Done with a decent weight and strict form, these upper body movements will tap into midsection fibers that you never thought existed! (theelitetrainer.com)
The muscle fibers that are fuelled by fat ('slow twitch' fibers ) are the ones that produce GENTLE movements" You don't have to learn how to use fuel. (ironmagazine.com)

"It was expected answers would describe in detail the role of troponin, tropomyosin and calmodulin in mediating muscle contraction" , the examiners rejoined. (derangedphysiology.com)

Axon - cylendrical projection from the cell body that transmits nervous impulses to other neurons or effector sites(muscles, organs). (thehealthygamer.com)
Motor neurons transmit nerve impulses from CNS to muscles and organs. (thehealthygamer.com)

However, recently, interest has also focused on the different types of mononuclear cells of skeletal muscle, as well as on the endocrine functions of muscle, described subsequently, below. (wikipedia.org)
In sports such as soccer, field hockey or basketball, among others, there is a large technical and tactical part that makes it necessary to excel much more than having some types or others of muscle fibers. (vitruve.fit)
The underlying mechanisms of contraction ( excitation-contraction coupling and the sliding filament mechanism ) are similar in all muscle types. (amboss.com)
2. Delineate between the 3 types of muscle (skeletal, cardiac, and smooth)? (fsu.edu)

This ensures your muscles function well and your joints are lubricated. (miguelcaballerofashion.com)
Range of motion and elasticity in muscles and joints. (miguelcaballerofashion.com)
The nerves, muscles, and joints must work together in a chain to produce motion(kinetic). (thehealthygamer.com)

Anatomy61

Organisms26

Diseases16

Chemicals and Drugs64

Analytical, Diagnostic and Therapeutic Techniques and Equipment28

Phenomena and Processes50

Disciplines and Occupations5

Anthropology, Education, Sociology and Social Phenomena2

Technology, Industry, Agriculture2

Information Science12

Health Care7

Long-distance runners2

Myocytes5

Oxidative4

Control of the somatic nervou1

Percentage3

Stimulation5

Fibres1

Spindles3

Mitochondria2

Distal muscles1

Bundles3

Myotubes1

Myoglobin1

Contractions1

Contraction of muscles2

Sensory5

Skeletal muscles6

Tendons2

Cytoplasm1

Progression2

Myofibrils2

Intracellular1

DIFFERENT FIBER TYPES1

Myoblasts1

Depending1

Cardiac muscle4

Contractile properties1

Weakness4

Type10

Digestion1

Gastrocnemius muscle1

Explains1

Sarcomeres2

Conversely1

ONSET2

Nervous system5

Deficit1

Oxygen transport1

Tissue11

Predominantly1

Calf25

Intrinsic1

Athletes4

Fatigue5

Tissues2

Higher1

Humans1

Repetitive1

Functional3

Faster1

Muscular1

Endurance2

Toxins1

Autoimmune3

Nuclei1

Fast-twitch1

Movement4

Activate1

Parallel1

Movements2

Calmodulin1

Organs2

Types4

Joints3