Kettlebell Complex Workout by Jameson Skillings, Pn1, CPT Grab the heaviest KB you can safely lift overhead ten times. Do the following four exercises in a row without rest. Rest for 90 seconds at the end. Do four rounds of these four exercises, resting 90 seconds between each complex. Plug in your info below and I’ll send you 3 FREE fat loss and muscle gaining manuals. Success! First Name Email Get my manuals, NOW!