TJ Markkanen Oy

Kuntosali Keskikeho is the largest and most versatile fitness center in Jämsä, Finland, operating approximately 1,000 square meters of space including a main gym, two aerobics studios, a boxing room, and an indoor cycling studio. The facility offers LesMills group fitness classes, kettlebell, yoga, sports massage, and personal training programs, and is accessible via key card daily from 5am to 11pm. Revenue is generated through memberships, pay-per-visit passes, and an online store for card top-ups.