The push-back push-up forces your shoulders to work hard to drive your body back using a natural arc and push angle.
Just drop down, explode straight back, and return to push-up position. To take it up a notch, put your feet up on a bench. Your abs will be begging for mercy too.
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I, Bodybuilder 1 - Shoulders - Wednesday
Build muscle as fast as humanly possible — week after week — until you see a body in the mirror that you barely recognize.
Tip: Take the Half-Hour Deadlift Challenge
Can you pull two reps of at least 315 pounds every minute? If not you're either weak or out of shape. Check out the test.
Tip: The Rest-Pause Bench Press
Do as many good reps as you can in the 4-6 rep range. Your goal will then be to double that number of reps. To do that you take short rest periods (15 seconds).