Yoga for strong glutes: These poses not only tone and firm the glutes, they also lengthen the buttocks and teach them to relax, giving you a true "yogasana". Strong glutes support the low back, hips, and knees, stabilize the pelvis, release the hip flexors, and it's okay to accept it - look amazing in yoga pants. But since so many of us spend our days in front of a computer or sitting in cars with our glutes and leg muscles, a "yoga butt" takes little effort. Practicing these poses…