How Important Is Grip Strength for Moving Heavy Audio Gear?

Lately, I’ve been hauling more heavy speakers and racks for gigs, and it got me wondering how much does grip strength actually matter for this kind of work? I know forearm endurance helps when you’re holding mics or adjusting gear for long sessions, but what about when you’re lifting and carrying heavier stuff? Do any fellow audio techs or roadies focus on grip training, or is general strength enough to avoid dropping a subwoofer mid-load-in? Would love to hear what’s worked for others.