Above: Adam Gottlieb and Gabe Rubin pump iron. Right: Manis Davidovich, Zev Davidovich and Meir Selmar play in the JPM pool. Schvitzing At JPM JENNIFER FINER STAFF WRITER M onday, Dec. 2 Based on everything I know and have heard about the Oak Park JCC, I half-ex- pected to be the only one in the parking lot. To my surprise, there were other cars; however, I did manage to find a prime spot. Scattered through- out the building were various classes and activities — karate, aerobics and a pick-up basketball game in the gym. At the club desk, a member was asking about up- grading her membership to the health club. Obvi- ously pleased with the prices she was quoted, she told the desk attendant she planned to upgrade once her general membership expired. Inside the locker room, I was one of three women. The other two were talking about cellulite. After that conversation, I spent an extra 25 minutes on the exercise bike. There were a handful amen and women work- ing out on the equipment. By 8:50 p.m., it was me and whatever program airs Monday nights on NBC. I was told that the Center's busiest times — 12 or more people working out — tend to be on Saturday, weekdays at 7 a.m. and at various times between 4:30 p.m. and 7:30 p.m. on weekdays. There were few machines that I found appealing, and I spent the majority of my workout on the bike. The rest of the time I devoted to stretches. Although the health club is filled with equipment — treadmills, Cybex machines, Stairmasters, Life- cycles, Airdynes, a Gravitron and a NordicTrack — I prefer LifeCircuit machines which allow the user to push a few buttons to get the appropriate weight instead of moving a pin between various weights. Thursday, Dec. 5 If only my gym bag were as clean as the women's health-club locker room. I have to say the place is spotless. I spoke with a member who had the op-