SHORT VERSION: Hamstring flexibility to the Deadlift is critical: Tight hamstrings can limit the ROM (Range of Motion) in the Deadlift; this is because the shortened muscles pull on their attachments at the pelvis, pulling the pelvis backwards into a posterior pelvic tilt (PPT). The end result is the lower back will slightly round out… Continue reading Tight like a tiger – Hamstrings & Deadlifting