'Start the Single Dumbbell Skull Crusher lying with your back on a bench. Hold a dumbbell with both hands and hinge at the elbows and lower the dumbbell behind your head. Then keep your arms steady and extend the dumbbell. OPEX Fitness is the education provider for coaches seeking career success, longevity, and fulfillment. Our mission is to increase the value of the fitness coach. Through our coaching education and fitness business mentorship, we provide coaches with the tools needed to professionalize their passion. OPEX On The Web: OPEX Coaching Education - https://www.opexfit.com OPEX Gyms - https://www.opexgyms.com'
Tags: Dumbbell , single , skull , crusher , OPEX Fitness , opex , Coaching Education , Coaching Certificate Program , James FitzGerald , fitness coach education , personal trainer education , Single Dumbbell Skull Crusher
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