# POUND Rockout. Workout.

> POUND, a drumstick workout launched in 2011, says it reached 107 countries by 2022.

- Owner: POUND (Cristina Peerenboom and Kirsten Potenza)
- Kind: Activity
- Sector: Health & fitness
- Seed date: Jan 2011
- Peak date: 2011-06-26
- Date basis: Dates use the stated precision; chart positions are date anchors.
- Spread Score: 12 (Niche, provisional), v1.2
- Mechanics: Platform jump, Maker origin

## Summary

POUND classes began at private studios in January 2011 and at Crunch Fitness in West Hollywood that March. An AP report in June 2011 described a full class. A POUND video later went viral on Facebook, and by 2022 the company claimed nearly 30,000 instructors in 107 countries.

## Timeline

- Jan 2011 — POUND (Cristina Peerenboom, Kirsten Potenza) (Retail) — POUND held its first classes at a few private studios in January 2011.
- Mar 2011 — Crunch Fitness West Hollywood (Retail) — POUND classes started at Crunch Fitness in West Hollywood.
- 2011-06-26 — Associated Press (Press) — AP reported dozens of people filled a POUND class to capacity, naming creators Peerenboom and Potenza.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/pound-rockout-workout

Cite as: How It Spread (2026). “POUND Rockout. Workout..” Case HIS-00833. Spread Score v1.2: 12/100. Updated 2026-10-17. https://howitspread.com/id/HIS-00833