i was just looking for some suggestions for other exercises to add in to my hypertrophy phase beside hangboarding.

thanks

In my experience, hangboreding has been intense enough that, when I'm doing it, I can't really do a lot of other exercises that involve forearms (heavy finger rolls, any kind of climbing beyond easy ARCing). However, the HYP phase is a great time to work on core strength. Hangboading itself is not a bad core workout if you hold your body the right way, but mess with front levers, leg lifts, swivels, etc. I've even started doing really limited bench pressing (instead of pushups) for antagonist muscles, but I'm not sure how that's going to work out yet.

Keep hanging. lift your legs whilst hanging for core power. try training with weights: curls, row pulls, etc. Run more. Don't be afraid to bench press with weights or build lower body by cycling and hiking. The key to climbing harder without injury is to keep all factions of the body sharp and tuned. Opposing muscle groups included.

Remember to stretch it out before and after a session.

Rest up plenty. Like, take a week off of everything every now and again. Eat plenty of protein. If anyone tells you that adding weight in muscle to your arms and legs will detract from your climbing ability, just say, "Steve Petro." in response. If they don't get it, just don't listen to them. If they do, they'll immediately realize the flaw in their logic.

Climb outside as much as you can.