Curves 35576 Grand River Ave, Farmington, MI48335 Tucked in behind Rite Aid in the Shops at Muirwood Square, this Curves has been in…More the neighborhood since 2003. All Curves are individually owned as franchises. Curves is a women-only gym, featuring a unique circuit training program. Once you are taught how to use the machines, you can come in any time the facility is open. Curves allows you to go to any Curves that is in existence, even internationally. The owner is a Farmington resident who has had Curves members from all over the world use this facility.