Do a set using a weight you can lift for 8-15 reps.
Then perform a set of lying (supine) front raises using a weight you can do for 8-15 reps.
The point of maximal mechanical tension when doing front raises is when your arm is parallel to the floor. So when doing the seated raises, the point of max tension is when your arms are perpendicular to your torso. With the lying front raises, the point of max tension is when your arms are parallel to your torso.
Do one of these extremely high-volume finishers every fourth day and you won't need to do any additional biceps or triceps training. Get the workouts here.
A cadre of coaches discuss various bodybuilding and powerlifting topics, including the wisdom of trying to build size and strength at the same time, and the relative benefits of isolation movements vs. compound movements.