General | Spleeft App | Velocity Based Training VBT Gym

How to Improve Reaction Time: Tips, Exercises, and Insights for Peak Performance

by Iván de Lucas RogeroGeneral 07/01/202526/08/2025One Comment

Reaction time plays a pivotal role in countless activities, from sports performance to everyday decision-making. Whether you’re a sprinter reacting to a starting gun, an F1 driver navigating high-speed turns, or simply looking to enhance your quickness, mastering reaction time can be a game-changer. This blog delves into everything you need to know about reaction …

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What Does PR Weightlifting Mean in the Gym? Master Personal Records Today!

by Iván de Lucas RogeroGeneral 02/01/202508/01/2025No Comments

When we hear the term PR in fitness circles, it can ignite a mix of emotions—excitement, determination, and even frustration. But what exactly is a PR, and why is it such a cornerstone of athletic training? This blog will unravel the mysteries surrounding Personal Records (PRs), offering insights for beginners and seasoned lifters alike. We’ll …

Jump Height Explained: A Guide to Averages, Standards, and Measuring Vertical Jump Performance

by Iván de Lucas RogeroGeneral 28/12/202426/08/2025No Comments

Jumping is one of the most fundamental movements in sports, and measuring jump height has become a key indicator of athletic performance. From recreational athletes striving to improve their fitness to elite professionals showcasing their explosive power, jump height reveals a lot about an individual’s strength, speed, and coordination. Questions like “What’s the average jump …

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Mastering the Countermovement Jump (CMJ): Techniques, Insights, and Performance Tips

by Iván de Lucas RogeroGeneral 21/12/202402/12/2025No Comments

The Countermovement Jump (CMJ) is a cornerstone of sports science and athletic training, offering insights into explosive power, neuromuscular efficiency, and fatigue management. It’s more than just a test—it’s a tool that helps athletes evaluate and improve performance. In this blog, we’ll delve deep into the CMJ, exploring its purpose, execution, and how it compares …

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Reactive Strength & RSI: Manage Fatigue & Boost Performance

by Iván de Lucas RogeroGeneral 09/12/202402/12/2025One Comment

In the world of sports and performance training, understanding and managing fatigue is critical for achieving peak results. One of the most insightful metrics in this area is Reactive Strength and its associated Reactive Strength Index Test (RSI). These measures allow athletes and coaches to gauge the body’s response to high-velocity, high-force activities, helping them …

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Countermovement Jump: Mastering Explosiveness and Power with Spleeft

by Iván de Lucas RogeroGeneral 06/12/202402/12/2025One Comment

The countermovement jump (CMJ) is one of the most commonly used tests in sports science and athletic training to measure athlete’s performance and fatigue. From professional athletes to recreational sports enthusiasts, the CMJ is a reliable indicator of lower-body strength, power, and readiness. It’s a key component in evaluating athletic performance and developing training programs …

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How to Jump Higher: A Guide to Elevating Your Performance in Sports

by Iván de Lucas RogeroGeneral 02/12/202402/12/2025No Comments

Mastering the ability to understand how to jump higher is a vital skill across a wide range of sports, from volleyball and basketball to track and field. Jumping higher not only enhances athletic performance but also serves as a testament to your strength, power, and explosive capabilities. This detailed guide will walk you through science-backed …

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Concentric vs Eccentric Contraction: Optimize Your Strength Training

by Iván de Lucas RogeroGeneral 30/11/202402/12/2025No Comments

Maximizing results in strength training requires more than just lifting heavy weights; it’s about understanding the specific mechanics of concentric vs eccentric contraction. These two types of muscle actions—one involving muscle shortening and the other lengthening—play distinct and complementary roles in achieving goals like muscle growth, endurance, and explosive power. This article breaks down the …

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How Do I Improve My Vertical Jump? A Step-by-Step to Jump Higher with Spleeft

by Iván de Lucas RogeroGeneral 25/11/202402/12/2025No Comments

How Do I Improve My Vertical Jump? This is one of the most common and sought-after questions among athletes across various sports. Whether you play basketball, volleyball, or simply want to enhance your overall athleticism, improving your vertical jump is not just about raw strength—it’s a combination of power, velocity, mobility, and refined technique. In …

Force-Velocity and Power-Load Curves: Optimizing Athletic Performance

by Iván de Lucas RogeroGeneral 19/11/202402/12/2025No Comments

In performance training, understanding the relationship between force, velocity, and power is key to maximizing athletic potential. These relationships are often represented through the force-velocity relationship and force time curve, as well as profiles like the load-velocity profile and power-load profile. These concepts enable athletes to tailor their training to develop specific attributes, whether it’s …