Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Hook the smith machine bar to just below shoulder height. Quarter squat underneath the bar, placing it just below the base of your neck. Unhook the bar and extend your hips to standing upright. With your feet at hip-width apart slightly angled out and your knees slightly flexed, extend your ankles to lift the heels off the floor. Keep your hips under your shoulders and your heels under your hips as you fully extend your ankles before you return to the starting position.
Stand tall under the bar with knees slightly bent. Push through the balls of your feet to lift your heels, pause at the top, and lower slowly with control.
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