Quote:
1. Keep your chest up and your elbows tucked by your sides, not flared out.
By keeping your elbow slightly tucked in (around 45 degrees), you work more in what's known as the "scapular plane," which allows more freedom for the rotator cuff tendons to pass under the acromion.
When this technique is performed correctly, there's also some surface contact between the triceps and the lat muscles which can form a "platform" from which you can push. Anyone who knows how to bench press with more of a powerlifting "strength" technique will understand the importance of using the lats to bench; it's the same in the overhead press.
TESTOSTERONE NATION - In Defense of Overhead Lifting
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from In Defense of Overhead Lifting
by Charles Staley and Keats Snideman
so that means arms in.