Clamshells are one of those exercises that used to be given out in every glute and pelvic floor strengthening program. Then they got demonized and were cut out of everyone’s programming. Don’t get me wrong—I do believe that they can be excessively used without addressing the full picture of “weak glutes.” Oftentimes people don’t need more shortening (like in a clamshell), but instead need glute lengthening to help improve function and pelvic floor tightness. However, I do believe there is a time