Introduced more robust exercise selection and improved the user interface for tracking weekly volume and body weight.

Unlike standard "cookie-cutter" spreadsheets, the SSTT series focuses heavily on . The core of the program lies in its "Start" sheet, where users input their current one-rep maxes (1RMs) and lifestyle factors.

The series progressively refined the user experience and training stimuli:

Established the 12-week peak structure, focusing on building high-rep capacity before tapering into heavy singles to test new 1RMs.

Versions 1 through 4 evolved from basic percentage-based training to a sophisticated hybrid system. Version 4, in particular, introduced a personalized RPE calculator that adjusts suggested weights based on your performance on any given day, allowing for better fatigue management.