I like to lean back as I feel it gives me more spring forward.Whether you lean back or stay neutral you need to use your arms.At the beep pull forward/push backward with your arms.As noted above you seem to be gripping the block too tightly.Just hook your fingers over the edge.
I like to lean back as I feel it gives me more spring forward.Whether you lean back or stay neutral you need to use your arms.At the beep pull forward/push backward with your arms.As noted above you seem to be gripping the block too tightly.Just hook your fingers over the edge.