5 rounds for time of:
20 wall-ball shots
♀ 14-lb. ball, 155-lb. barbell
♂ 20-lb. ball, 225-lb. barbell
Post time to comments. | Compare to 150718.
A fully flexed spine inactivates back extensors, loads the posterior passive tissues (ligaments), and results in high shearing forces. In contrast, a neutral to slightly extended lumbar spine disables the interspinous ligaments and reduces joint shear. So, as you may have heard before, form matters.Read the article Spine Mechanics for Lifters