The Triphasic Training Block Method: Block Training with Undulating Variations in each Block

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Triphasic training, a specialized method in strength and conditioning, has gained popularity among coaches and athletes for optimizing performance. The triphasic approach breaks down strength and power phases into three distinct components: eccentric, isometric, and concentric. In this article, we will delve into the details of the triphasic training method and explore its benefits for athletes..

Understanding the Triphasic Approach

This method emphasizes the importance of structuring training into blocks and underscores the significance of block periodization in the triphasic method. Each block must include an undulation of load within the weekly loading, which refers to the variation in intensity during training sessions. This undulation of the load is a critical aspect of the triphasic approach, as it allows athletes to work with loads of different intensities during both preparatory and competitive phases.

The Triphasic Undulating Block Method

We Break down the triphasic undulating block method into several distinct phases, which are essential for developing strength and power. Let’s explore these phases:

Weeks 1 and 2: Eccentric Focus

During these two weeks, the primary emphasis is on eccentric strength development. Athletes perform exercises with a slow eccentric phase, typically lasting around six seconds. This controlled eccentric phase helps in building the foundation for strength gains.

Weeks 3 and 4: Isometric Focus

Weeks 3 and 4 shift the focus to isometric strength. Isometric exercises involve holding a static position with a high level of muscle tension for three seconds or more. This phase is designed to eliminate the potential benefits of the stretch reflex and work on starting strength.

Weeks 5 and 6: Concentric Focus

In the final phase, athletes concentrate on the concentric aspect of strength. This involves explosive movements, where athletes aim to lift weights as quickly as possible. The goal is to transfer the strength gains from the previous phases into functional, dynamic actions.
The Value of Eccentrics and Isometrics

Eccentric training is known for its effectiveness in building muscle strength and control. Athletes perform controlled descents, which not only develop strength but also provide valuable feedback to the nervous system. This phase may involve heavy loads and weight releasers.

Isometric training, on the other hand, focuses on static holds and emphasizes eliminating the stretch reflex. By pausing in the bottom position of a squat, for example, athletes work on developing starting strength, which is crucial for explosive movements.

Managing Recovery and Load Intensity

One key aspect of the triphasic method is understanding the recovery requirements for each phase. Eccentric and isometric training can be taxing on the nervous system and may require longer recovery periods than isometric training. Athletes and coaches need to adjust the training order based on individual recovery rates and goals.


The triphasic training method, offers a structured approach to building strength and power in athletes. By incorporating eccentric, isometric, and concentric phases into training blocks, athletes can optimize their performance and develop a well-rounded foundation of strength. It’s important to note that the triphasic method requires careful planning, individualization, and monitoring to ensure athletes benefit from this unique training approach.


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Triphasic training is a popular method used to optimize athletic performance by focusing on specific qualities in different training phases. However, what if you have a limited timeframe or need to address specific qualities within a shorter period? In this article, we’ll explore a training cycle hack that allows you to compress a year-long triphasic training cycle into just ten weeks, making it a valuable option for athletes with time constraints or those looking to develop specific skills quickly.

Understanding the Triphasic Training Model

The traditional triphasic training model spans 20 weeks and consists of various cycles, including an aerobic base, aerobic lactate, GPP (General Physical Preparedness), repeatability, eccentric, isometric, power, and peaking phases. This comprehensive approach aims to develop a wide range of athletic qualities over an extended period.

The Compressed Triphasic Training Model

The compressed triphasic training model condenses the 20-week cycle into 10 weeks, making it a more viable option for athletes with limited time. Here’s a breakdown of the compressed model:

1 Aerobic Base: The aerobic phase remains the same, focusing on building a strong aerobic foundation.

2 Eccentric training + Lactate Training: Lactate training is combined with eccentric training. This involves sets of 20 seconds with loading ranging from 80% to 92%. This approach efficiently merges both aspects into one phase.

3 Isometric Phase: Isometric training follows the lactate phase, with sets lasting under 10 seconds at 120% to 105% supramaximum loading.

4 Power and Speed: The power and speed phases remain unchanged, ensuring that all essential qualities from the 20-week cycle are included in the compressed model.

Adapting to the Compressed Model

It’s important to note that the results obtained from the compressed model may not be as effective as a full 20-week cycle. However, this approach is suitable for athletes looking to develop specific qualities within a shorter timeframe or for off-season sports-specific skills that need focused attention.

Furthermore, athletes who have completed a 20-week triphasic training plan in the past may experience better results with the compressed model compared to those starting from scratch. The familiarity with the training concepts can lead to improved outcomes in less time.

Flexibility in Implementation

A key advantage of the compressed triphasic training model is its flexibility. The phases don’t need to be followed sequentially, and gaps can be introduced as needed. This allows coaches and athletes to tailor the training to their specific goals and time constraints.

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The triphasic training compressed training cycle hack offers a valuable solution for athletes with limited time or specific skill development needs. While it may not replicate the results of a full 20-week cycle, it provides a way to efficiently target and develop essential athletic qualities within a shorter period. With flexibility in implementation, this approach can be adapted to suit various training goals and timelines, making it a valuable tool in the world of sports performance optimization.