If you’re working with athletes who rely on explosive power and rapid movement, you know that jump performance is more than just how high they can get off the ground. The Reactive Strength Index Modified (RSImod) is a key metric to help you understand the full picture of your athlete’s lower body power and reactive strength.

What Is RSI-mod And Why Is It Important?

RSImod combines two critical aspects of jump performance:

  1. Time to Take Off (Speed of Movement)
  2. Jump Height (Output)

This makes RSImod a catch-all ratio metric for evaluating Counter Movement Jump (CMJ) performance. It’s not just about how high your athletes can jump, but how fast they can generate that explosive force. By assessing both the input (speed of movement) and the output (jump height), RSImod provides a comprehensive view of an athlete’s performance, making it an essential tool in your training toolkit.

Why RSI-mod Matters For Athletes

For athletes in sports like basketball, volleyball, soccer, and many others, having quick and powerful lower body movements is key to performance. RSImod helps you:

  • Evaluate movement quality and power generation: By examining both jump height and speed, RSImod offers insights into how well an athlete generates force and how efficiently they execute explosive movements.
  • Identify optimal jump performance: It’s not just about reaching the highest point; it’s about how fast they get there. RSImod allows you to assess the athlete’s ability to jump high quickly, a vital skill in competitive sports.
  • Track training progress: Monitoring RSImod over time helps you see how your athletes are improving and whether your training programs are enhancing their explosive capabilities.

RSI-mod: A Simple Metric With Big Benefits

The simplicity of RSImod lies in its clear representation of an athlete’s explosive power. It gives you the tools to make data-driven decisions in training, ensuring that your athletes are building both strength and speed in the most effective way possible. By improving RSImod scores, you’re not just increasing jump height—you’re developing an athlete who can perform at maximum efficiency.

Why Use AxIT's Smart Force Plates to Measure RSI-mod?

With AxIT’s smart force plates, measuring RSImod is quick, accurate, and fully automated. The system will:

  • Provide real-time data on RSImod scores
  • Track progress across multiple sessions
  • Generate easy-to-understand reports to share with athletes and coaches

Whether you’re working with elite athletes or those striving to improve, AxIT gives you the data-driven insights you need to elevate performance.

 

Want to learn more about how AxIT can help you integrate RSImod testing into your programs? Visit www.strengthbynumbers.com or contact our team today for a personalized demo!

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