Derek Opperman

Derek Opperman

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Los Angeles Personal Trainer and Author Derek Opperman is a Certified Strength and Conditioning Specialist (CSCS) thru the National Academy of Sports Medicine (NASM).  Connect with Derek for a Free Fitness Consultation in person or online!

Cable Crossovers for Shoulders | Cap Them Off!

Cable Crossovers for Shoulders | Cap Them Off!

The muscles of the shoulder are one of the most complex and versatile muscle groups of the body.  Training the shoulders properly is one of the most important aspects of any fitness or weight lifting routine.  Shoulder injuries are more common than any other muscle group fo ...