Glute and hamstrings are the 2 most important muscle groups for vert and sprint power.
This exercise works the hammies quite hard
http://www.cbathletics.com/issues/41.htm#Lunge
The lunge is a fantastic exercise that trains the glutes, hamstrings, quadriceps, and calves. It also stretches the hip flexors and demands balance and core stability. This exercise requires the physical abilities characterizing many athletic events. Therefore the lunge is a great strengthening exercise for sport performance and also stimulates muscle growth for those looking to improve the appearance of their lower body.
The lunge has many variations: forward, sideways, diagonal, and can even be performed onto a step, as all of these change the number of muscles recruited and vary the degree to which each muscle is stressed. BUT/ is there a superior technique? Well, I think there is. I recently discovered the hard way that the “reverse lunge” is the #1 contender for best lunge variation.
Here is the technique.
Stand upright, feet shoulder-width apart, holding light DB’s (dumbbells). Take a normal stride backward (with the “trailing leg”) and rest the toe of the trailing leg on the ground. Now squat down with the lead (“working”) leg controlling the weight of the body. Squat down so that the trailing knee touches the ground, and use the lead leg to return to the upright position.
The movement should be very similar to the push-off of a sprinting stride. This movement is called hip extension and will demand a forceful contraction of the hamstrings. The reverse lunge is also called the “split-squat” by some trainers and can be done with a barbell (across the trapezius as in the squat) as the resistance.
Three sets of 8 reps at a moderate weight will result in some pretty sore hamstrings the day after even if the reverse lunge is the only leg exercise performed on that day! Stick with this exercise and you will see improvements in sport performance, because it really focuses on the hamstrings and a movement pattern that is specific to almost all sports (soccer, b-ball, hockey, etc.).
Why is the reverse lunge better?
Do the movement. It feels very different than the standard lunge. The key here is that the working leg (the front, or lead leg) is always loaded, however this is not true during the forward lunge. In the traditional forward lunge, the lead leg gets to rest because it is unloaded when you step forward and back.
Again, remember that single-leg exercises are almost always superior to bilateral exercises like the leg press. This is true whether you are a bodybuilder or athlete, because single-leg exercises enable you to develop balanced strength between legs and do not let your stronger side dominate!
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BTW this movement is very similar to what your legs do in a sprint, and thus your hammies and glutes will blow up for max vert. Your glutes will be strirated as well if you get lean enough
Check this out, this chick does lots of reverse lunges on a smith machine - freaky hammies! Heh as a Guy I would be proud of these hams, this girl is a monster!