Texas Ranger
New member
Guys, in YOUR opinion, what's effective LOW IMPACT cardio? The reason I ask is I had an ACL repaired in my knee 4 years ago and it gives me a little trouble every now and then. I need something that REALLY kicks a*s without stressing my knee joints. Is it the Elliptical Trainer? Stationary Bike? Stairmaster? Or Treadmill?

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