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

Triphasic Training Method – 3 


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.

More on the triphasic system can be found in the top Selling Triphasic training  Book