Still training heavy into your 50s on a cruise - how do you manage it?

Turned 52 last month. Still on a low dose cruise, train 4 days a week and love every session. But I am finding I need to be smarter about exercise selection. Heavy deadlifts are gone, my lower back does nae like them the next day like it used to. Heavy squats I have swapped for leg press and SSB squats. Bench is still fine. Anyone else in this age group who has had to adapt their training and what changes made the biggest difference to staying in the game without breaking down constantly?

49 here and same story. Deadlifts are out, swapped for trap bar pulls which my back tolerates fine. Heavy barbell squats went to hack squats and leg press years ago. Bench I kept but moved to dumbbells for the last couple of sets to save the shoulders. The adjustment is not about going easier, it is about finding movements that let you train hard without paying for it the next two days. Still making progress, just different progress.

Just hit 44 and already making some of the same adjustments. Romanian deadlifts instead of conventional, front squats are easier on my back than back squats. The biggest change for me was adding a full warm-up, used to go straight into working sets in my 30s, now I spend 20 minutes warming up and it makes a huge difference in how my joints feel. TRT has helped enormously with recovery and keeping muscle through the less heavy training phases.

Trap bar deadlift saved my training. Back feels nothing the next day compared to conventional. Also switched to a lot more unilateral work, single leg press, Bulgarian splits, single arm rows. Helps even out imbalances that built up from years of bilateral lifting and easier on the joints. At 46 I feel better in the gym than I did at 38 because I stopped trying to train like a 25 year old.

The research on exercise selection over 45 consistently points to reduced spinal loading as the key adaptation. Machines and cable movements allow high mechanical tension with far less compressive and shear force on the spine. This is not a compromise, it is sensible periodisation. I train primarily with cables and machines now at 47, heavier than I ever went with free weights on most movements, and my joints are the best they have been in a decade. Cruise TRT is essential at this age, the recovery difference is significant.