Postpartum Exercises Weeks 1-6 Skip to Videos All | Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 4, Thread the Needle For improving upper back mobility Week 4, Clamshells For connecting with the glutes and external hip rotation Week 4, Reverse Clamshells For connecting with hip internal rotation and improving pelvic floor lengthening