20th Century Strongman, Sig Klein, believed that the Double Clean + Press...

20th Century Strongman, Sig Klein, believed that the Double Clean + Press* was the secret behind the success of the early European Weightlifting Champs.

Sig even issued his famous challenge:

Clean and Press a pair of 75lb-ers for 12 reps, non-stop.

Very few men can do this today, regardless of weight, yet Sig weighed 155lbs!

(*NOTE: Sig was talking about a pair of dumbbells. I believe the effect is even greater with a pair of kettlebells due to the increased stretch on the hips and hamstrings, and the increased activation of the shoulder and arm muscles from the offset load of the kettlebells.)

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