P panzer New Member Jun 7, 2005 #1 What is the pro and con of shoulder presses with your back straight or with an incline back rest?
B BIZ New Member Jun 10, 2005 #2 Straight up, your medial heads get involved. Leaning back into an incline will deactivate them to a degree and put most of the stress on your anterior delts and some on your upper pecs.
Straight up, your medial heads get involved. Leaning back into an incline will deactivate them to a degree and put most of the stress on your anterior delts and some on your upper pecs.