You are better off doing your chest like this
Pressing movement (barbell or db)
Fly movement (metabolite production)
Pressing movement again
Doing flies first leaves you using more delt and tricep on your presses and less overall pec. Has been proven by science numerous times.
Pressing movement (barbell or db)
Fly movement (metabolite production)
Pressing movement again
Doing flies first leaves you using more delt and tricep on your presses and less overall pec. Has been proven by science numerous times.