Add Yahoo as a preferred source to see more of our stories on Google. The spider curl is a variation of the biceps curl that utilizes a straight bar, dumbbells, or an EZ-bar. Spider curl's form is a ...

Anthony J. Yeung, C.S.C.S. View post: Using These Unconventional Gym Tools Can Fix Your Balance and Build Functional Power, According to a Movement Expert It’s a great way to trigger muscle growth, ...