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Understanding the Reactive Strength Index (RSI)
Learn how to calculate the Reactive Strength Index with three different jump testing methods. Reactive strength is an essential physical...
Jo Clubb
4 min read


Integrating VALD's Training Mode with ForceFrame and NordBord Technology
In this post, I delve into VALD's new training mode feature, and how it can be applied with NordBord and ForceFrame.
Jo Clubb
5 min read


Understanding TRIMP: A Guide to Heart Rate Training Impulse
This post explains how heart rate training impulse (TRIMP) is calculated and why it matters in athlete monitoring.
Jo Clubb
3 min read


New Sportsmith Article on AI-derived Muscle Volume Analysis
This post provides an intro to my new Sportsmith article, 'Integrating muscle volume analysis into athlete monitoring, training & rehab'
Jo Clubb
2 min read


Practitioner's Guide to Shoulders
The following excerpt is taken from the VALD eBook 'Practitioner's Guide to Shoulders'.
Jo Clubb
3 min read


An Introduction to GPS Technology in Sport
This article goes under-the-hood to explain how GPS technology works and the settings and situations that affect its precision.
Jo Clubb
9 min read


Understanding Impulse in the Nordic Hamstring Exercise
This blog post delves into the usefulness of impulse in the Nordic hamstring exercise, exploring its definition and how it can be used.
Jo Clubb
3 min read


Five Ways Sports Technology Enhances Team Training Environments
I discuss five key ways sports technology enhances team training, and their potential pitfalls.
Jo Clubb
5 min read


How to Calculate Jump Height: Flight Time vs Impulse Momentum
This post compares the two prevalent methods for calculating jump height: flight time and impulse momentum.
Jo Clubb
5 min read


Measures That Matter in Football
This article explores which sports science measures matter most in football (soccer).
Jo Clubb
4 min read


The Forgotten Role of Heart Rate in Athlete Load Monitoring
This post delves into the benefits of incorporating heart rate technology and what this can look like in applied sports science.
Jo Clubb
7 min read


Measures That Matter in American Football
With strictly one game a week, the remaining six days must be expertly managed to balance training load and recovery.
Jo Clubb
4 min read


Objective Muscle Fatigue Assessment: A Missing Puzzle Piece?
This article delves into the science behind Myocene and its potential application in athlete monitoring programmes.
Jo Clubb
5 min read


Hamstring Strength Testing: Beyond the Nordic Hamstring Exercise
Here we delve into different ways to test hamstring muscle strength.
Jo Clubb
3 min read


Jump Testing with Force Plates Explained
This video delves into the methodology of various jump tests including the countermovement jump (CMJ), squat jump (SJ), and drop jump (DJ).
Jo Clubb
4 min read


Athlete Sleep Tracking: Navigating the Problems and Pitfalls
Sleep tracking is common but do we consider the downsides? In this article we discuss the pitfalls and how to overcome them.
Jo Clubb
6 min read


Force Plates in Sport Explained
Force plate technology is widely used across sports & biomechanics labs to test athletic capacities. Go inside the technology in this video.
Jo Clubb
4 min read


Redefining Body Composition: The Role of AI in Athlete Musculoskeletal Analysis
This post explores how AI-driven analytics of MRI scans enables more detailed insights into body composition and musculoskeletal health.
Jo Clubb
5 min read


Timing Gates for Speed Testing: The Ultimate Guide
In this video, we discuss how to use timing gates, and the SmartSpeed system from VALD Performance.
Jo Clubb
3 min read


Calf Muscle Complex: Anatomy, Function & Testing
In this video, we're going to discuss different options for calf muscle strength testing, as well as calf anatomy & function for athletes.
Jo Clubb
4 min read
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