Technique: Start in a tall plank position bend the arms maintaining the tight body position and then drive back up. Advantages: Pushups are a great workout for pecs, arms, and core Faults: Dropping your hips, not completing a full range of motion, and flaring elbows too far from your body are all common faults for the push up. Scaling: The are many different push up variations, including adding a weight or bands, and scaling down can be done from the knees.