1994 — Caroline Scarborough, "New Moms Work Out With Babies", The San Francisco Chronicle, 6 June 1994:
New mothers who really want to stretch their legs may want to consider the strollerobics classes at Beresford Recreation Center in San Mateo.
1994 — "Barbell Babies", The New York Times Magazine, 16 October 1994:
It was only a matter of time until infants were formally incorporated into an exercise program and that all-important piece of exercise equipment -- the stroller -- was also brought into play. In San Mateo, Calif., new mothers do "strollerobics," pictured below.
1995 — Elisa Morgan & Carol Kuykendall, What Every Mom Needs: Meet Your Nine Basic Needs (And Be a Better Mom), Zondervan (1995), →ISBN, page 152:
New moms in San Mateo, California, have started "strollerobics," exercise routines done in a class with their babies in strollers!
Fitness trainer Kristen McAuliffe started "strollerobics" classes in May at a neighborhood park as an option for new moms who want to shape up and keep their babies nearby.