Best Exercise To Improve Capability Of Handling Heavy Amps

I am now 73 with a bad back. Moving heavy amps... not long ago I owned a 150 lb amp and moving it is simple. You use your brain. You break down what you must accomplish and then use leverage, gravity... and typically sliders and maybe a hand truck to accomplish it. I have never failed and not needed any strength or sprained my back.

Furniture sliders, some come with a little lifter ... like a really small teeter tauter that you step on to lift a heavy object so you dan slide it into position. 

Unboxing simply requires thought and rolling. 

Wood plank if you need to slide something into or out of a car.

It is simple. Just think.

Knock on wood I am in pretty good shape at 65. I hit the gym 5-6 days a week and work my body in all ways. Strong body and strong mind matters as you get older.  Physical and mental exercise is the key.  

My amp weighs 5 pounds and puts out enough power to drive most any speaker well. It excels sonically in pretty much every regard as well.

No desire or need for big heavy amps anymore thanks to modern technical innovations.

Lifting heavy objects requires strong legs core arms and upper body.  The whole Shebang.  I’d advise consulting a personal trainer for guidance on how to exercise and do it properly without causing injury if not sure. 

@carlsbad2 My intention with this table would be to slide the amp on to the lift table. Just food for thought.

You don't use your arms or back, the weight is lower body, tight core, and balance. I watched my NY trainer carry a very heavy subwoofer down three flights of steps without a problem. I asked him what the secret was- he's not jacked, more lean and his answer was "balance."

I got back to the gym about 1.5 years ago after my Covid hiatus. My balance was horrible. As others have mentioned, weighted squats, deadlifts (under supervision- I use a "trap" type frame, rather than a bar) and core strengthening (planks are good, I find pull ups to be good for that too). I'm not a natural athlete, so I have to work at this. It keeps me lean and ambulatory. I also like the mental effects of a workout. I don't do much cardio, but a lot of the resistance/weight training brings cardio into play. If you lift with your back and you are out of shape, you risk a muscle/nerve pinch type injury which takes a while to recover from. Ask me how I know. :)

FWIW, when I set up my new room after a move from NY to Texas, I hired a couple of big cornfed boys from Texas- the grandkids of a friend. They did the heavy lifting for me. Made life much easier and they were grateful for the dough. 

Even if you are strong and fit it's best to move heavy stuff with a helping pair of hands.  Use common sense.