You may have caught sight of hundreds of workout DVDs at the local store or movie rental outpost, but how do you know which one is the best fit for your fitness goals?

From kickboxing cardio to hip-hop dance workouts, there's a workout for all fitness levels and tastes. However, you need to select a routine that will elevate your heart rate enough to qualify as a real workout and challenge you to stick with the routine for the long-term. Here are some tips for selecting the best workout DVD from the latest fitness collections:

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Determine the duration of the workout routine. The length of the workout will give you an idea of what type of commitment you will need to make each day. Are you looking for a total-body workout that gives your metabolism a boost all day long, or do you need a quick and simple exercise routine just get going in the morning?

A workout DVD that lasts less than 30 minutes is ideal for those days when you just don't feel like working out, while the longer sessions are most suitable for those days when you want to challenge yourself and push yourself to the next level.