# Lombardi

> 1989

- Equation: `1RM = w × r^0.10`
- Variables:
  - `w`: Load lifted, same unit as the 1RM.
  - `r`: Repetitions completed.
  - `1RM`: Estimated one-repetition maximum.
- Authors: Lombardi, V. P.
- Source: Beginning Weight Training: The Safe and Effective Way, Wm. C. Brown
- DOI: None