Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Set sturdy table/bar at waist height. Lie under, grip edge palms facing you; feet on ground, body straight. Pull chest to table, squeeze shoulder blades. Lower with control. Repeat.
Keep body straight head-to-heels. Engage core for stability. Vary grip width to target muscles.
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