Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Position yourself on the floor with a barbell across your thighs, using an overhand grip slightly wider than shoulder-width. Recline backwards, or have a partner hand you the bar, and lower it until your upper arms are nearly parallel to the floor. Engage your chest to press the weight back up, avoiding full elbow extension.
Pause just before your arms touch the floor during the descent. This maintains tension in your chest muscles. Avoid locking out your elbows at the top of the movement. Control the weight throughout the entire range of motion. Consider having a spotter to ensure safety. Select a weight that allows for proper form and controlled repetitions.
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