Barbell sumo deadlift. A major compound exercise! Target muscles: Gluteus Maximus and Erector Spinae. Synergistic muscles: Quadriceps (Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius), Adductor Magnus, Soleus, (and, if lifting heavy) Latissimus Dorsi and Wrist Flexors. Dynamic stabilizers (not highlighted): Hamstrings and Gastrocnemius. Visit site to learn proper form and safety. Note: Position of feet in right image is wrong. Should be same as in left image.