CLINICAL KNOWLEDGE MAGAZINE
3 min read
Maximum training results
Lena Bauer
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Diets Premium Medical Expert • 20.03.2026
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Scientifically reviewed by a clinical dietitian:
This article has been peer-reviewed for adherence to IŻŻ, WHO, and PTGiP clinical nutritional standards.
| CLINICAL KNOWLEDGE MAGAZINE CLINICAL KNOWLEDGE MAGAZINE | min read 3 min |
| Diets Premium Medical Expert Lena Bauer | Scientifically reviewed by a clinical dietitian 20.03.2026 |
Key Takeaways
For every trainee, it becomes a priority to achieve the greatest possible outcomes from training. Often, despite all efforts, it doesn't work out, mainly due to limited knowledge about training, nutrition, and other factors that influence success. When it comes to strength training, in order to achieve maximum outcomes, it is very important to first understand anatomy and muscle building.
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Muscle composition
Muscle tissue is made up of fibers. It possesses the ability to contract. There are two types of fibers present in muscles: those with slower contraction and those with faster contraction. Each fiber type has distinct features. The number of these fibers in our body is genetically determined. It is not possible to change this number. An individual who, for example, has a higher quantity of fibers with faster contraction will never be able to alter the amount of fibers to match the quantity of fibers with slower contraction. That is simply our genetic predetermination.
Fibers exhibiting slow-twitch and rapid-response characteristics
Fibers with slow-twitch characteristics are tissues that are responsible for performing work at a low intensity over a prolonged period of time. They are prevalent in sports where activity is sustained over a longer period, e.g., long-distance running. They exhibit high endurance capabilities due to a large number of mitochondria and myoglobin, hence they are also known as red fibers. They rely on oxygen for their function, and a typical example of a muscle containing them is the smooth muscle. Fast-response fibers are responsible for carrying out work with high intensity, e.g., during sprinting or weightlifting. They can contract quickly and generate a high force during movement of the respective muscle. However, compared to slow-twitch fibers, fast-response fibers have lower endurance and exhaust more rapidly.
Muscle tissue growth
This is a fundamental concept that everyone interested in strength sports should be familiar with. Muscle tissue growth means nothing other than increasing the volume of muscle fibers by applying appropriate stimulation. This is the dream of most individuals who engage in figure training. However, it is important to remember that this is no simple art and requires a certain degree of knowledge about the functioning of muscle tissue.
Muscles and exercise
Comprehending the composition of muscle fibers is crucial as it allows for the suitable selection of weight and the number of sets and repetitions. If we aim for optimal results, appropriate muscle stimulation is indispensable. A prevalent mistake among those commencing their gym journey is the incorrect choice of the number of repetitions in a specific exercise, targeting the best part of the muscle group. However, to effectively develop muscles, we must ensure the progression of both kinds of fibers. Muscles will always have a predominance of one kind. When a muscle responds better to a low number of repetitions with heavy weight, it is evident that this will be the principal method of stimulation. Nevertheless, incorporating one set with lighter weight and a higher number of repetitions can engage the remaining fibers. Many individuals frequently train biceps and triceps using the superset method during one workout session. In most cases, they commit a significant error by selecting the same number of repetitions for both muscle groups. Biceps consist of approximately 45-65% slow-twitch fibers, while triceps have around 29-48%. The conclusion is clear - the same weight and repetition range should not be used for both muscle groups.
Is it truly muscle fibers – how to discern the prevailing ones?
You can verify this through training and any growth gains you can make, and when we are not content with our achievements, we can modify the range of repetitions and weight to see how our muscles respond.. In general, many individuals evaluate the state of their fibers based on their achievements in athletics. The sprinter will never become a long-distance runner, and the long-distance runner will never be a sprinter.. This is a genetic matter.
Muscle Overview – Their Structure and Functions
It can be asserted that the most effective method of training is to stimulate two types of fibers, leading to their mutual development. Such a training style not only results in improved outcomes but also provides an excellent way to counteract stagnation, which affects us so often.
Lena Bauer
Diets Premium Medical Expert
Member of the Diets Premium clinical editorial board. Specializes in medical diet therapy, metabolic health, and nutritional planning.
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