Salabhasana (Locust) – variations that are not too strenuous for student; to strengthen low back muscles & bring circulation to hips
Ardha Parsvottanasna (Half Pyramid Flow) – variation found in viniyoga to stretch & strengthen low back; with right leg forward place back of right hand on sacrum, lift other arm by ear; exhale fold, inhale half-way up, exhale fold, inhale all the way up (for photos, see Yoga for Wellness 1999, p 172)
Setu Bandhasana (Bridge Pose Variation) – to strengthen glutes, squeeze block between thighs & lift so that knees, hips & shoulders in a line (rather than a backbend); for more glute work, lift toes & press into heels + option to lift one leg (Jenny Thomas)
Bridge Flow – to relax & stretch, and/or to counter abdominal strengthening
Yoga Tune Up pose variations & sequences – this link goes to a page with over 30 brief videos (1 to 3 minutes each) for back pain relief, including poses such as “Sidewinder,” Locust variations & abdominal strengtheners