Tempo workout, this is something new to me.
I think my form is ok..shoulder width grip.
Actually 52kg as in using 26kgx2 dumbbells..I could lift 65lbs dumbbells in my old gym before. It kinda sux when my new gym just found out only has 30kg dumbbell max. I could do 24kgx2 Arnold press but stop doing it as I'm afraid it will damage my shoulder.
Shoulder and scapula mobility - this is something new also. will find more about it.
Yesterday was my shoulder workout. I think my strength is increasing - able to do 2 full sets of 6 reps each for 50KG barbell OHP..but with a little tweak - my dominant right leg was slightly in front, with just little leg push compare to my previous OHP workout. 50Kg - 1 barbell with 15kg plates each side.
I only can do 3-4 reps if the weights are too heavy for me for all exercises...ya I know how to engage my core, glutes, diaphragmatic breathing - really helps a lot in my OHP, squat and deadlift.
Try axtray's method. usually without any back support, im not able to push the same weight with the same repetition for the seated shoulder press.