Place the kettlebell on an exercise mat (and be sure to use one if you have a hard floor surface), then adopt a high plank ...

While it might look easy, it demands a lot of strength to hold the position, making it a killer workout for your abs ... Duration: Hold the position for 30 seconds to a minute.

Fitness addicts in search of an adrenaline rush with their workout should check out a trapeze class, which are popping up all over the US. Classes are a killer upper body workout, and attract all ...