Measure barbell velocity with apple watch

Building the new Spleeft: Track Barbell Velocity with your Apple Watch

Discover how our small project’s journey to create the first Apple Watch app to measure barbell velocity and jump height has been. It’s been two years and four months since we launched the first version of Spleeft for Android on September 13, 2021. Shortly thereafter, in February 2022, we made the leap to iOS. This …

Autoregulate Your Resistance Training with Z-Scores

Autoregulate Your Resistance Training with Z-Scores

In previous publications, we’ve mentioned that the daily condition of the athlete varies depending on a multitude of factors. Your resistance training is one of them. The theory is all very well, but how can we know approximately how much our performance has varied today? There are several ways. Spleeft uses Z-Scores because of their …

Automatic Load-Velocity Profile and 1RM Estimation with Spleeft

Automatic Load-Velocity Profile and 1RM Estimation with Spleeft

Learn more about autoregulation in our post about Z-Scores in VBT. Estimating the maximum repetition in an exercise was one of the first options provided by the VBT. It’s also one of the most used nowadayss. It helps us to know the most basic when training in the gym: the weight to put on the …