The deadlift is the most complete posterior-chain builder there is — one lift that trains nearly everything from your traps to your calves.
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Get FormTwin — free on the App StoreBoth. The deadlift is a hip-hinge that's driven primarily by the glutes and hamstrings (legs), while the erector spinae, lats and traps work hard to keep the spine rigid — which is why it's often felt in the back.
Yes. Your abs and obliques brace isometrically to keep your torso stable under load, so heavy deadlifts are a strong core exercise even though nothing visibly moves.
Your forearm flexors grip the bar for the entire set. Grip is usually the first thing to fail on heavy deadlifts — mixed grip or straps help you train the target muscles longer.
This guide is general fitness information, not medical advice. Muscle involvement varies with form, grip and individual anatomy. Consult a professional before starting a new program.