What do you do at the gym?

Well mine varies, but here are the moves I normally do:
Planks
Side Planks
V-ups
Russian Twists
Reverse crunch on an incline bench
Tricep Dips
Shoulder press on a balancing tool
Arm raises in a T shape
Arm raises in a L shape
Push-ups
Push-ups spiderman style
Jumping lunges
Weighted lunges
Leg press
Box jumps
Step-ups
Sumo Squats
Lateral row
Lat pulls
Pull-ups
More crunches

I'm sure I'm missing some, but those are the ones I do pretty regularly.

I start with between half an hour and an hour of cardio (usually treadmill and bike - sometimes rowing machine) and then move onto weights (bench press, leg curl, leg press, seated row, step ups) and then abs (crunches, bicycle crunches, leg lifts, abdominal twists with a medicine ball, plank) and then I finish off with a bunch of stretches.

[Mines is based on me being on a timed schedule.. so I must hurry so that I can get what I feel is a decent workout before being whisked away too suddenly]

+20 minutes treadmill (or elliptical) (high incline, semi-fast speed)
+ ab workouts (rotation machine, leg lifts, crunches, etc.)...I'll say 15 minutes of this
+20 minutes treadmill (or elliptical.. again.. same as before)
+ 20-30 (depending on what machines I use) of resistance training .. I switch up between legs and arms every other day (noted: all of the exercises I do for resistance have already been mentioned in other posters' responses)
And finally a cool down with.....
+20 minutes treadmill (or elliptical: see above)

...and if there is any time left over, I'll throw in 5-10 minutes worth of jump roping.

Lift heavy weights and put them back down.

I lol'd

I follow Body for Life for weights and add cardio daily. For cardio right now I'm cycling. I do anywhere from 45-60mins each day. I take Sundays off.

I suggest splitting your time at the gym between lifting weights/resistance and cardio. I only get an hour and 10 minutes or so, so first I do weights for 30 minutes, then 30+ minutes of cardio (elliptical, running or stationary bike). For the weights, you could select "regions" of your body and work on one region each day you are there. For example, legs & butt one day, biceps and back another, and chest & shoulders another. Oh, and stomach every time! This site http://www.muscleandstrength.com/workouts/tone.html has some good example videos of how to do various weight exercises and might help. My goal is to do at least 3 sets of 8 different exercises each time, followed by the cardio. Some days, I just do cardio. I'm happy to offer more advice, just send me a message if you do. For the record, I'm not a power lifter, I just lift weights to tone and feel great.
Good luck.

i have a trainer five days a week for the next five weeks . i used to have one three days and then four ..just started back up and doing three days a week of functional training and two days of strength training.after 5 weeks i am going back to three days a week. i also dabble in the classes like Body Combat and will mix up cardio machines . i try really hard not to do the same thing every week and mix everything up

Trainer
Cardio
Weights
Yoga

That's generally a mix of what happens during my week at the gym. As someone else suggested pick up new rules of lifting for women. From what I hear, it's a fantastic book.

does your pf have the 30 minute circuit? great place for beginners.......plus add in some extra cardio / abs

Doesn't PF have free training? Take advantage!!

Treadmill, 35 minutes. 3.5 - 3.7 speed (starting with 5.0 run), 3.5 incline
Planking
Assisted chin/dip
Bench press
Chest press
Shoulder press
Lat pulldown
Triceps pulldown
Leg press
Leg curls

I burn roughly 320 calories doing this, and if I watch what I'm eating, I lose 1.5 - 2 lbs. a week. The elliptical is really good, but I don't like it >.>

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