Men can learn a thing or two from the women at the gym. Men are so obsessed with how their upper bodies will look at the beach, that they often neglect their lower bodies. Ironically, their upper bodies would be even more impressive if they incorporated exercises like squats and deadlifts to their regimens. This is because heavy exercises involving compound movements using the legs and the core produce an anabolic effect that stimulates the whole body to grow.
Let me be honest; my legs are not that impressive. My upper body strength is decent for my weight, but my core and lower body strength could use improvement. In fact, the imbalance is so big that my bench has always been higher than my squat. That is not normal and would explain why I had so much difficulty shooting in effectively in wrestling for single and double leg takedowns (the bread and butter of wrestling).
I looked around for different strength training methods and encountered one that my friend Ryaan started using, Starting Strength (created by Mark Rippetoe). This remarkably simple program has increased my deadlift AND MY BENCH in a WEEK!!! It has a strong emphasis on squatting three times a week for three sets of five repetitions each time. I highly recommend beginners, novices, and intermediate lifters to consider Starting Strength. (If you're advanced, then you're probably already familiar with this.) There is a nice wiki for his methods: http://startingstrength.wikia.com/wiki/Starting_Strength_Wiki
WARNING: The only drawback is that the program requires you to do power cleans which most gyms don't allow. If that is the case, you can substitute rows or hang cleans.