2009/10/07, 11:47 AM
That depends. When you say you work out your legs 2x/week, does that mean with weight training, or cardio/plyometrics?
If you are pushing hard with the weights, you may be needing more recovery time. Don't do the shuttles the day of, or the day AFTER a strenuous leg weights workout.
If you are NOT using weights, than yes, more shuttles should help you increase the endurance. You may also consider plyometrics, lunge walks, leapfrogs, and similar exercises to build endurance.
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