There are numerous studies that correlate trunk strength with limb power generation. Ask any of the major college swim coaches if they think they're wasting their time having their swimmers engage in dry land core work.
Yes, 100% agree that a strong "trunk" is very important. My comment was directed to what exercises you're doing to strengthen it. Doing crunches on a yoga ball doesn't seem particularly helpful in advancing that goal. What exercises do you understand the the college coaches are using?
There are numerous studies that correlate trunk strength with limb power generation. Ask any of the major college swim coaches if they think they're wasting their time having their swimmers engage in dry land core work.
Yes, 100% agree that a strong "trunk" is very important. My comment was directed to what exercises you're doing to strengthen it. Doing crunches on a yoga ball doesn't seem particularly helpful in advancing that goal. What exercises do you understand the the college coaches are using?