How to optimize your strength training to build more muscle
Find out how many repetitions are optimal for strength training to achieve effective muscle building.

How to optimize your strength training to build more muscle
The strategies for successful strength training go beyond just repetitions. Insightful findings from training science show how important the right technique and variation are for building muscle, which is particularly important for fitness beginners and enthusiasts.
The importance of variation in training
A common problem in strength training is stalling progress. When athletes stick to a specific routine over a long period of time, the muscles become accustomed to the strain, causing muscle growth to stop. Therefore, it is crucial to vary your training every few months. This includes, among other things, changing the number of repetitions, the intensity and the type of exercises.
Scientific basis of strength training
In order to increase the efficiency of training, athletes should rely on proven scientific models from training theory. One of the factors that have a significant influence on muscle building is the so-called “time under tension” (TUT). This describes the time in which a muscle is under tension during an exercise. A longer TUT, e.g. when performing repetitions slowly, can promote the desired adaptations in the muscles.
For example, for a set of 12 reps where each rep lasts a total of 4 seconds, the total time under tension is 48 seconds. This is important because the TUT is closely linked to the optimal number of reps, which research suggests should be 8 to 12 reps per set.
Hypertrophy training for better results
Hypertrophy training is very relevant for those who want to specifically build muscle mass. This training concept aims to increase the cross-sectional volume of the muscles. But the advantages are not limited to the aesthetic component. An increased muscle cross-section improves general body function and can contribute to rehabilitation even after injuries.
- Verbesserung der Funktions- und Leistungsfähigkeit des Körpers
- Steigerung der Leistung in verschiedenen Sportarten
The influence of the number of repetitions
The number of repetitions in a set is another crucial factor in the success of a strength training program. For beginners and advanced users, a number of repetitions of 8 to 12 is recommended in order to achieve a positive training effect. Advanced athletes can increase their load to 1 to 12 repetitions when using heavier weights.
Tips for effective training
To maximize training effectiveness, it is advisable to pay attention to things like set rest (1-3 minutes) and training frequency (every 48 to 96 hours). When it comes to movement speed, it is also advisable to perform the exercises slowly to quickly in order to promote muscle growth.
Conclusion on strength training
In summary, a differentiated approach to strength training is crucial for long-term success. Regular variations, taking into account the correct number of repetitions and a targeted implementation of the TUT ensure that the training remains not only effective but also motivating. A well-structured routine can not only reduce the risk of injury but also promote overall well-being.
The author, a certified fitness trainer and former competitive athlete, recommends anyone new to fitness to be patient and carefully monitor their own body on the way to greater fitness.