Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Begin face-down, making contact with the floor through your forehead, chest, thighs, and toes. As you inhale, raise your arms and legs off the ground a short distance, forming an arched back. Exhale and slowly lower back to the starting position.
Take a full breath in before each repetition, and release it as you descend. Limit the height of the lift to safeguard your lower back. Concentrate on deliberate, controlled movements for optimal back and glute activation. Prevent swaying by maintaining a stable core. Maintain consistent breathing throughout the entire exercise.
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