Most "functional exercises" these days exist solely for clicks and likes. This one is an exception. Use the single-arm press in the half-kneeling position to hit both the shoulder and the core with quality reps.
related posts
Tip: Two Back Muscles You're Missing
To build a topographic back, you need more than lat exercises. Here's what you're missing plus two exercises to target those muscles.
3 Fixes for Weak Body Parts
Give these training strategies a try to quickly fix your lagging muscle groups.
GSP: A Rush of Blood
Five wins by TKO, four wins by submission, three wins by decision... and a single loss to Matt Hughes by armbar in his first title fight. It's that last one that haunts Spike athlete Georges "Rush" St-Pierre.
Tip: The Number One Bench Press Mistake
Fix it or wreck your shoulders.