<span>This looks like something I can handle. Hope this helps (:</span>
Your elbows should be glued to your ribcage as you lift/lower the weight. If you try to bring the bar to your chin, for example your shoulders will begin to move forward (shoulder flexion) and your exercise becomes a bicep-shoulder curl
C) for at least one second and do it ever 5-6 seconds
lipids is what I believe is the answer to your question.
