Day 5 - (SAMU) Single-Arm Push-ups The only way to spark muscle growth is to challenge your muscles with more resistance. For those of you that train mostly using functional bodyweight movements the SAMU is the perfect exercise to challenge your pecs when 2-handed push-up variations become easy or you just want to add spice to your workout. Here is a checklist to ensure proper form when doing a SAMU courtesy of RoughStrength.com: Shoulders should be parallel to the ground Feet should be not wider than shoulder-width Twist of the body should be minimal Body should be straight (looking from the side) You should lower down until there is no more than 10 cm between the ground and your chest















