FAVORITE BODYPART TO TRAIN: Quads! I love doing unilateral leg presses with high-stance. Watching all of the muscles of the quads kick into action during the different stages of the lift ... yeah! Also, leg extensions after everything else on a hard leg day (squats, reverse hacks, etc) when your whole body shudders when lifting the weight because you barely have anything left. THAT'S the fun of leg day!

LEAST FAVORITE: Abs. I do it, but it's no fun.

Calves run a close second, since when i do them I walk around like Frankenstein the next day because they get so sore.

Nat, your calves don't get sore? I used to do 2 sets of heavy standing calf raises (machine), then 3 sets of single leg full-range calf raises (off the edge of a step) with a db in hand .... then do 2 high-rep sets of standing calf raises with half the weight you used in the heavy sets. Do 20 reps on the first set, then go to failure on the last set.

Stretch them between each set and hold the strech for 5 seconds.

Makes you walk funny the next day ...